Publications by Helge Weman

Proc. 14th Int. Conf. on Defects in Semiconductors, Paris, France, Aug. 18-22, 1986, Edited by H. J. von Bardeleben, Materials Science Forum Volumes 10-12, Pt. 1, 97-102 (1986).

^66. Luminescence in silicon in electric and magnetic fields

Q.X. Zhao, H. Weman, and B. Monemar,

Proc. International Conference on Luminescence, Beijing, China, Aug. 1987.

^67. Spectroscopy of impurities and complex defects in silicon in electric and microwave fields

M. Godlewski, H. Weman, F.P. Wang, B. Monemar, W.M. Chen, and Q.X. Zhao,

Materials Res. Soc. 1987 Fall Meeting, Boston, USA, Nov. 30 - Dec. 4, 1987, Mat. Res. Soc. Symp. Proc. "Defects in Electronic Materials", Eds. M. Stavola S.J. Pearton and G. Davies, Vol. 104, 117-120 (1988).

^68.Electric field effects on photoluminescence in silicon

H. Weman and B. Monemar,

Proc. 13th Nordic Semiconductor Meeting, Saltsjöbaden, Sweden, June 5-8, 1988, Ed. M. Östling, 248-251 (1988).

^69.Optical detection of microwave-induced impact ionization of bound excitons in silicon and GaAs

H. Weman, F.P. Wang, M. Godlewski, B. Monemar, and M. Ahlström,

Proc. 19th Int. Conf. on the Physics of Semiconductors, Warsaw, Poland, Aug. 15-19, 1988, Edited by W. Zawadzki, Inst. of Physics Polish Academy of Sciences, Vol. 2, 1347-1350 (1988).

^70.Oxygen related photoluminescence lines in 450°C annealed silicon

A. Henry, H. Weman, and B. Monemar,

Proc. 3rd Int. Conf. on Shallow Impurities in Semiconductors, Linköping, Sweden, Aug. 10-12, 1988, Edited by B. Monemar, The Institute of Physics Conference Series No. 95, 227-232 (1989).

^71.Strain effects induced by gold diffusion in silicon

A. Henry, H. Weman, O.O. Awadelkarim, and B. Monemar,

Proc. 15th Int. Conf on Defects in Semiconductors, Budapest, Hungary, Aug. 22-26, 1988, Edited by G. Ferenczi, Materials Science Forum Volumes 38-41, Pt. 2, 747-752 (1989).

^72. Photoluminescence of defects introduced by deuterium plasmas in silicon

H. Weman, J.L. Lindström, and G. Oehrlein,

Proc 1989 Spring Meeting of the European Materials Society: Science and Technology of Defects in Silicon, Strassbourg, France, May 30-June 2, 1989.

^73. Spontaneous oscillations and chaos in Si induced by excitonic impact ionization

H. Weman, A. Henry, and B. Monemar,

Proc. 6th Int. Conf. on Hot Carriers in Semiconductors, Scottsdale, AZ, USA, July 23-28, 1989.

^74.Novel approaches in 2 and 3 dimensional confinement structures: Processing and properties

P.M. Petroff, K. Ensslin, M. Miller, S. Chalmers, H. Weman, J. Merz, H. Kroemer, and A.C. Gossard,

Proc. 5th Int. Conf. on Superlattices and Microstructures, Berlin, Germany, Aug. 13-16, 1990.

^75.Serpentine superlattice: Concept and first results

M.S. Miller, C.E. Pryor, H. Weman, L.A. Samoska, H. Kroemer, and P.M. Petroff,

Proc 6th Int. Conf. on Molecular Beam Epitaxy, La Jolla, CA, USA, Aug. 27-31, 1990.

^76.Strain induced intrinsic quantum wells as the origin of broad band photoluminescence in silicon containing extended defects

H. Weman and B. Monemar,

Proc. of Materials Research Society 1989 Fall Meeting, Boston, USA, Nov. 27 - Dec. 2, 1989, Materials Res. Soc. Symp. Proc. "Impurities, Defects and Diffusion in Semiconductors: Bulk and Layered Structures", Eds.: E. Bernholc, E. E. Haller, and D. J. Wolford, Vol. 163, 257-260 (1990).

^77.Parallel electric field effects on the photoluminescence from AlGaAs/GaAs quantum wells

H. Weman, G.M. Treacy, H.P. Hjalmarson, K.K. Law, J.L. Merz, and A.C. Gossard,

Materials Research Society 1990 Fall Meeting, Boston, USA, Nov. 26 - Nov. 30, 1990, Materials Res. Soc. Symposium B, "Electronic, Optical and Device Properties of Layered Structures", Eds. M. S. Hybertsen, J. Hayes, E. R. Weber, Vol. EA-21, 125-129 (1990).

^78.Optical properties of AlGaAs/GaAs quantum well wires grown on GaAs vicinal substrates

H. Weman, M.S. Miller, H. Kroemer, P.M. Petroff, and J.L. Merz,

Materials Research Society 1990 Fall Meeting, Boston, USA, Nov. 26 - Nov. 30, 1990, Materials Res. Soc. Symposium Y, "Nanostructures: Fabrication and Physics", Eds. T.P. Smith III, D. Kern, S.D. Berger, and H. Craighead, Vol. EA-26, 119-122 (1990).

^79.Serpentine superlattice: Concept and first results

M.S. Miller, C.E. Pryor, H. Weman, L.A. Samoska, H. Kroemer, and P.M. Petroff,

Proc. 20th Int. Conf. on the Physics of Semiconductors, Thessaloniki, Greece, Aug. 6-10, 1990, Eds. E.M. Anastassakis and J.D. Joannopoulus, World Scientific Publ., Singapore, 1717-1720 (1991).

^80. Photoluminescence study of quantum wire arrays in AlGaAs/GaAs tilted superlattice structures

H. Weman, M.S. Miller, P.M. Petroff, H. Kroemer, and J.L. Merz,

March 1991 Meeting of the American Physical Society, Cincinnati, Ohio, USA, March 18-22, 1991, Bulletin of the American Physical Society, 36, 824 (1991).

^81.Structure and photoluminescence of AlGaAs serpentine -superlattice quantum wire arrays

M.S. Miller, H. Weman, C.E. Pryor, H. Kroemer, P.M. Petroff and J.L. Merz,

March 1991 Meeting of the American Physical Society, Cincinnati, Ohio, USA, March 18-22, 1991, Bulletin of the American Physical Society, 36, 361 (1991).

^82.Optical transitions in rectangular quantum wires

C.R. McIntyre, L.J. Sham, and H. Weman,

March 1991 Meeting of the American Physical Society, Cincinnati, Ohio, USA, March 18-22, 1991, Bulletin of the American Physical Society, 36, 824 (1991).

^83.Effects of intense far-infrared radiation on the photoluminescence from AlGaAs/GaAs quantum wells

S. M. Quinlan, A. Nikroo, M.S. Sherwin, M. Sundaram, H. Weman, A.C. Gossard,

March 1991 Meeting of the American Physical Society, Cincinnati, Ohio, USA, March 18-22, 1991, Bulletin of the American Physical Society, 36, 757-758 (1991).

^84.Electronic structure and optical properties of (Ga,Al)As quantum wire arrays formed by serpentine-superlattices

M.S. Miller, C.E. Pryor, H. Weman, Y. Li, M. Krishnamurthy, P.M. Petroff, H. Kroemer, A.C. Gossard, and J.L. Merz,

Workshop on Optical Properties of Mesoscopic Semiconductor Structures, Snowbird, Utah, USA, April 23-26, 1991.

^85.Optical properties of quantum structures fabricated by focused Ga ion beam implantation

W. Beinstingl, Y.J. Li, H. Weman, J. Merz, and P.M. Petroff,

Proc. 35th Int. Symp. on Electron, Ion, and Photon Beams, Seattle, WA, USA, May 28-31, 1991.

^86.Impact ionization of free and bound excitons in AlGaAs/GaAs quantum wells

H. Weman, G.M. Treacy, H.P. Hjalmarson, K.K. Law, J.P. Bergman, J.L. Merz, and A.C. Gossard,

Proc. 7th Int. Conf. on Hot Carriers in Semiconductors, Nara, Japan, July 1-5, 1991.

^87.Optical properties of (Ga,Al)As serpentine quantum wire arrays grown on GaAs vicinal substrates

H. Weman, M.S. Miller, C. Pryor, M. Krishnamurthy, P.M. Petroff, H. Kroemer, and J.L. Merz,

Post-deadline paper PD-14 presented at 9th Int. Conf. on Electronic Properties of Two-Dimensional Systems, Nara, Japan, July 8-12, 1991.

^88. Confinement of excess arsenic incorporated in thin layers of MBE-grown low-temperature GaAs

J.P. Ibbetson, C.R. Bolognesi, H. Weman, A.C. Gossard, and U.K. Mishra,

Proc. 18th International Symposium on Gallium Arsenide and Related Compounds, Seattle, Washington, USA, Sept. 9-12, 1991, The Institute of Physics Conference Series Vol. 120, 37-42 (1992).

^89.Properties of GaAs-AlGaAs quantum wire superlattices grown by molecular beam epitaxy

P.M. Petroff, M. Miller, S. Chalmers, H. Weman, M. Wassermeier, M. Krishnamurthy, A.C. Gossard, H. Kroemer, and J. Merz,

Science and Technology of Mesoscopic Structures, Nara, Japan, Nov. 4-8, 1991, Springer Verlag 1992.

^90.InGaAs quantum well wires grown on patterned GaAs substrates

R. Mirin, I.H. Tan, H. Weman, M. Leonard, T. Yasuda, J.E. Bowers, and E. Hu,

Proc. 38th National Symp. of the American Vacuum Society, Seattle, WA, USA, Nov. 10-15, 1991.

^91.MBE growth of tilted superlattices of (Al,Ga)As on vicinal GaAs (110)

M. Krishnamurthy, M. Wassermeier, H. Weman, J.L. Merz and P.M. Petroff,

Proc. Materials Research Society 1991 Fall Meeting, Boston, USA, Dec. 2-6, 1991, Materials Res. Soc. Symposium on Interface Dynamics and Growth, Eds. K.S. Liang, M.P. Anderson, R.F. Bruinsma, and G. Scoles, Vol. 237, 473-478 (1992).

^92.Epitaxial growth of GaAs/AlGaAs quantum wire superlattices on vicinal surfaces

P.M. Petroff, M. Krishnamurthy, M. Wassermeier, M.S. Miller, H. Weman, H. Kroemer, and J.L. Merz,

Invited talk at Materials Research Society 1991 Fall Meeting, Boston, USA, Dec. 2-6, 1991, Symposium on Interface Dynamics and Growth, Eds. K.S. Liang, M.P. Anderson, R.F. Bruinsma, and G. Scoles, Vol. 237, 467-472 (1992).

^93.Optical properties of (Al,Ga)As serpentine superlattice quantum wires

H. Weman, M.S. Miller, C.E. Pryor, P.M. Petroff, H. Kroemer, and J.L. Merz

Proc. International Workshop on "Quantum-Effect Physics, Electronics and Applications", Luxor, Egypt, Jan. 6-10, 1992, The Institute of Physics Conf. Ser. Vol. 127, 205-208 (1992).

^94. Magneto-luminescence study of quantum wire arrays in (Al,Ga)As serpentine superlattice structures

H. Weman, E.D. Jones, C.R. McIntyre, M.S. Miller, P.M. Petroff, and J.L. Merz,

March 1992 Meeting of the American Physical Society, Indianapolis, Indiana, USA, March 16-20, 1992, paper I-99-32.

^95.Electronic confinement from magnetic field dependence of optical transitions in quantum wires

C.R. McIntyre, H.P. Hjalmarson, H. Weman, E.D. Jones, M.S. Miller,

March 1992 Meeting of the American Physical Society, Indianapolis, Indiana, USA, March 16-20, 1992, Bulletin of the American Physical Society, 37, 343 (1992).

^96.Variation of the optical properties of serpentine superlattice quantum wire arrays with geometry and composition

M.S. Miller, H. Weman, C. E. Pryor, M. Krishnamurthy, Y.J. Li, H. Kroemer, P.M. Petroff, and J.L Merz,

March 1992 Meeting of the American Physical Society, Indianapolis, Indiana, USA, March 16-20, 1992, Bulletin of the American Physical Society, 37, 323-324 (1992).

^97. Luminescence polarization anisotropy in (Al,Ga)As serpentine quantum wire arrays

H. Weman, M.S. Miller, C.E. Pryor, P.M. Petroff, H. Kroemer, and J.L. Merz,

SPIE's 1992 Symp. on Compound Semiconductor Physics and Devices, "Quantum Well and Superlattice Physics IV", Somerset, New Jersey, USA, March 23-24, 1992, Vol. 1675, 120-127 (1992).

^98. Implementation of a polarization modulation technique in a photoluminescence and photoluminescence excitation measurement setup

M. Wassermeier, H. Weman, M.S. Miller, P.M. Petroff, and J.L. Merz,

SPIE 1992 Symp. on Comp. Semiconductor Physics and Devices, "Spectroscopic Characterization Techniques for Semiconductors", Somerset, New Jersey, USA, March 25-26, 1992, Vol. 1678, 69-80 (1992).

^99. Photoluminescence lifetime of serpentine superlattice quantum wire arrays

J.C. Yi, H. Weman, M.S. Miller, N. Dagli, P.M. Petroff, and J.L. Merz,

Proc. 18th Int. Quantum Electronics Conf., Vienna, Austria, June 14-19, 1992.

^100.Direct growth of quantum wire superlattices: Growth and optical properties

H. Weman,

Invited talk at 6th Int. Conf. on Superlattices and Microstructures, Xian, China, Aug. 4-7, 1992.

^101. Magneto-luminescence study of quantum wire arrays in (Al,Ga)As serpentine superlattice structures

H. Weman, E.D. Jones, C.R. McIntyre, M.S. Miller, P.M. Petroff, and J.L. Merz,

Proc. 6th Int. Conf. on Superlattices and Microstructures, Xian, China, Aug. 4-7, 1992.

^102. Photoluminescence study of serpentine superlattice quantum wire arrays

H. Weman, M.S. Miller, C.E. Pryor, P.M. Petroff, and J. L. Merz,

Proc. 21st Int. Conf. on the Physics of Semiconductors, Beijing, China, Aug. 10-14, 1992, Eds. P. Jiang and H-Z. Zheng, World Scientific Publishing (Singapore), Vol. 2, 1495-1498 (1993).

^103.Impact ionization of excitons and donors in center-doped Al_0.3Ga_0.7As/GaAs quantum wells

H. Weman,

Invited talk at NATO Advanced Research Workshop on "Negative Differential Resistance and Instabilities in 2D Semiconductors", Il Ciocco-Lucca, Tuscany, Italy, Sept. 20-25, 1992. Eds. N. Balkan, B.K. Ridley, and A.J. Vickers, NATO ASI series B, Plenum Press, New York, Vol. 307, 409-419 (1993).

^104.Serpentine superlattice quantum wires: Fabrication and fundamental properties

M.S. Miller, H. Weman, M. Wassermeier, P.M. Petroff, and J.L. Merz,

Proc. 2nd Int. Symposium on "New Phenomena in Mesoscopic Structures", Maui, HI, USA, Dec. 7-11, 1992.

^105.Direct growth of quantum wire superlattices: Fabrication and optical properties

H. Weman, M.S. Miller, C.E. Pryor, P.M. Petroff, and J.L. Merz,

Swedish Symposium on Materials Science and Technology, Linköping, Sweden, Jan. 25-27, 1993.

^106.Optical detection of cyclotron resonance in serpentine superlattice quantum wire arrays

K. Swiatek, H. Weman, M.S. Miller, P.M. Petroff and J.L. Merz,

Proc. 22nd Int. School on Physics of Semiconducting Compounds, Jaszowiec, Poland, May 22-28, 1993.

^107. Observation of confined exciton states in serpentine superlattices by linear polarized excitation spectroscopy

H. Weman, C.E. Pryor, M.S. Miller, and J.L. Merz,

Proc. 3rd Int. Conf. on Optics of Excitons in Confined Systems, Montpellier, France, Aug. 30-Sep. 2, 1993.

^108.Lateral confinement effects on the Landau-level dispersion in InGaAs/InP quantum wires

J. Hammersberg, H. Weman, M. Notomi, and T. Tamamura,

Proc. 6th Int. Conf. on Indium Phosphide and Related Materials, Santa Barbara, CA, USA, March 28-31, 1994, IEEE Catalog #94 CH3369-6, 447-450.

^109. Magneto-luminescence study of lateral confinement effects in InGaAs/InP quantum wires

H. Weman, J. Hammersberg, M. Notomi, and T. Tamamura,

Proc. Spring Meeting of the Japanese Society of Applied Physics, Tokyo, Japan, March 1994.

^110. Microwave-induced modulation of excitons in serpentine superlattice quantum wires

H. Weman, K. Swiatek, M.S. Miller, P.M. Petroff, and J.L. Merz,

Proc. 22th Int. Conf. on the Physics of Semiconductors, Vancouver, Canada, Aug. 15-19, 1994, Ed. D.J. Lockwood, World Scientific Publishing (Singapore), Vol. 2, 1663-1666 (1995).

^111.Polarized excitation spectroscopy of magneto-excitons in (Al,Ga)As quantum wire superlattices

H. Weman, M. Potemski, M.E. Lazzouni, M.S. Miller, and J.L. Merz,

Proc. 22th Int. Conf. on the Physics of Semiconductors, Vancouver, Canada, Aug. 15-19, 1994, Ed. D.J. Lockwood, World Scientific Publishing (Singapore), Vol. 2, 1703-1706 (1995).

^112. Magneto-luminescence study of quasi-one-dimensional electron-hole plasmas in lattice matched InGaAs/InP quantum wires

J. Hammersberg, H. Weman, M. Notomi, and T. Tamamura,

Proc. 7th Int. Conf. on Superlattices, Microstructures and Microdevices, Banff, Alberta, Canada, Aug. 22-26, 1994.

^113. Temperature dependent effects on luminescence polarization and recombination lifetime in serpentine superlattice quantum wires

H. Weman, C.I. Harris, J.P. Bergman, M.S. Miller, J.C. Yi, and J.L. Merz,

Proc. 7th Int. Conf. on Superlattices, Microstructures and Microdevices, Banff, Alberta, Canada, Aug. 22-26, 1994.

^114. Magneto-luminescence study of strain and confinement effects in InAsP/InP quantum well wires

J. Hammersberg, M. Notomi, H. Weman, M. Potemski, H. Sugiura, M. Okamoto, and T. Tamamura,

Proc. 7th Int. conf. on Indium Phosphide and Related Materials, Sapporo, Japan, May 9-13, 1995, IEEE Catalog #95 CH35720, 315-318 (1995).

^115. Confinement effect on excitons in self-organized InGaAs quantum disks

H. Weman, H. Kamada, M. Potemski, J. Temmyo, R. Nötzel, and T. Tamamura,

Proc. 19th Workshop on Compound Semiconductor Devices and Integrated Circuits, Stockholm, Sweden, May 21-24, 1995.

^116. Magneto-optical properties of self-organized strained InGaAs quantum disks

H. Weman, H. Kamada, M. Potemski, J. Temmyo, R. Nötzel, and T. Tamamura,

Proc. 7th Int. Conf. on Modulated Semiconductor Structures, Madrid, Spain, July 10-14, 1995.

^117. Dimensionality effects on strain for lattice-mismatched InAsP/InP quantum wires: Relationship between strain and 2D quantum confinement

M. Notomi, J. Hammersberg, H. Weman, M. Potemski, H. Sugiura, M. Okamoto, and T. Tamamura,

Proc. 7th Int. Conf. on Modulated Semiconductor Structures, Madrid, Spain, July 10-14, 1995.

^118. Magneto-excitons and Landau level states in quantum wire superlattices

H. Weman, M. Potemski, M.E. Lazzouni, M.S. Miller, and J.L. Merz,

Proc. 22nd Int. Symposium on Compound Semiconductors, Cheju Island, South Korea, Aug. 28-Sept. 2, 1995. The Institute of Physics Conf. Ser. No 145: 931-934 (1996).

^119.Optical properties of self-assembled quantum wires and dots

J.L. Merz, P.M. Petroff, H. Weman, and S. Fafard,

Proc. 3rd Int. Symposium on Quantum Confinement: Quantum Wires and Dots, Chicago, IL, USA, Oct. 8-13, 1995. The Electrochemical Society Vol. 95-2, 366 (1995).

^120.Strain and lateral quantum confinement effects in n-type modulation doped lattice-mismatched quantum wires

J. Hammersberg, M. Notomi, H. Weman, M. Potemski, H. Sugiura, M. Okamoto, and T. Tamamura,

Proc 3rd Int. Symposium on Quantum Confinement: Quantum Wires and Dots, Chicago, IL, USA, Oct. 8-13, 1995. The Electrochemical Society Vol. 95-2, 399 (1995).

^121. Spin-splitting reversal in InGaAs/InP quantum-wires in high magnetic field

J. Hammersberg, M. Notomi, H. Weman, M. Potemski, T. Tamamura, M. Okamoto, and H. Sugiura.

Proc. 1996 Int. Conf. on Solid State Devices and Materials, Yokohama, Japan, Aug. 26-29, 1996, p. 196.

^122.Quantum wire self-ordered growth seeded by electron-beam lithography

B. Dwir, F. Reinhardt, H. Weman, A. Gustafsson, and E. Kapon,

Proc. Int. Conf on Micro- and Nano- Engineering, Glasgow, Scotland, UK, Sept. 22-26, 1996.

^123.Direct observation of coupling in asymmetric double quantum wires

H. Weman, D.Y. Oberli, M.-A. Dupertuis, F. Reinhardt, A. Rudra, A. Gustafsson, L. Sagalowicz, and E. Kapon,

Quantum Electronics and Laser Science Conf., Baltimore, MD, USA, May 18-23, 1997. Optical Society of America Technical Digest Series, Volume 12, 61-62 (1997).

^124.Optical studies of self-assembled quantum disks

M. Potemski, D.J. Lockwood H.J. Labbé, P. Hawrylak, H. Kamada, H. Weman, J. Temmyo, and T. Tamamura,

4th Int. Symposium on ”Quantum Confinement: Nanoscale Materials, Devices, and Systems”, Montreal, Canada, May 4-9, 1997. The Electrochemical Society Vol. 97-11, 155-161 (1997).

^125.Structure and optical properties of V-groove quantum wire superlattices

Y. Ducommun, E. Martinet, H. Weman, G. Biasiol, A. Gustafsson, and E. Kapon,

Proc. 8th Int. Conf. on Modulated Semiconductor Structures, Santa Barbara, CA, USA July 14-18, 1997.

^126. Band-mixing and coupling in single and double quantum wire structures

M.A. Dupertuis, F. Vouilloz, D.Y. Oberli, H. Weman, and E. Kapon,

Proc. 8th Int. Conf. on Modulated Semiconductor Structures, Santa Barbara, CA, USA, July 14-18, 1997.

^127.Light scattering from self-assembled quantum disks

P. Hawrylak, M. Potemski, D.J. Lockwood, H.J. Labbé, H. Kamada, H. Weman, J. Temmyo, and T. Tamamura,

Proc. 8th Int. Conf. on Modulated Semiconductor Structures, Santa Barbara, CA, USA, July 14-18, 1997.

^128.Optical studies of self-assembled Ga_0.8In_0.2As quantum disks

D.J. Lockwood, M. Potemski, H.J. Labbé, P. Hawrylak, H. Kamada, H. Weman, J. Temmyo, and T. Tamamura,

6th Int. Conf. on Luminescent Materials, Paris, France, Aug. 31-Sept. 5, 1997. The Electrochemical Society Vol. 97-29, 120-128 (1997).

^129. Polarization anisotropy and Zeeman splitting in strained quantum-wires: Dimensional crossover effect on strain

M. Notomi, J. Hammersberg, J. Zeman, H. Weman, M. Potemski, H. Sugiura, and T. Tamamura,

Proc. 12th Int. Conf. on Electronic Properties of Two-dimensional Structures, Tokyo, Japan, Sept. 22-26, 1997.

^130.Optical studies of self-organized Ga_0.8In_0.2As quantum disks

D.J. Lockwood, M. Potemski, P. Hawrylak, H.J. Labbé, H. Weman, H. Kamada J. Temmyo, and T. Tamamura,

Proc. March Meeting of American Physical Society, Los Angeles, USA, March 16-20, 1998.

^131.Single dot magneto-optical micro-photoluminescence excitation spectroscopy

M. Notomi, M. Potemski, E. Renar, H. Weman, J. Temmyo, and T. Tamamura,

Proc. Spring meeting of the Japanese Society of Applied Physics, Tokyo, Japan, March 1998.

^132. Wave-function splitting due to a 2D quantum confined Stark effect in quantum wires

H. Weman, E. Martinet, M.-A. Dupertuis, A. Rudra, K. Leifer, and E. Kapon,

Invited talk at 21st Int. Quantum Electronics Conf., San Francisco, CA, USA, May 3-8, 1998. Optical Society of America Technical Digest Series, Volume 7, 85-86 (1998).

^133.Electric field effects in forward- and reverse-biased V-groove quantum wire diodes

H. Weman, E. Martinet, M.-A. Dupertuis, A. Rudra, K. Leifer, and E. Kapon,

Proc. 18th Nordic Semiconductor meeting, Linköping, Sweden, June 8-10, 1998.

^134.Can selective current injection, wavefunction splitting and triaxial strain make unique quantum wire devices?

H. Weman,

Invited talk at 2nd Sweden-Japan Q-Nano workshop at Särö, Sweden, June 16-18, 1998.

^135. Self-ordered AlGaAs vertical quantum wells: formation mechanisms, structure and optical properties

G. Biasiol, E. Martinet, A. Gustafsson, H. Weman, Y. Ducommon, F. Reinhardt, and E. Kapon,

Proc. 40th Electronic Materials Conf., Charlottesville, Virginia, USA, June 22-24, 1998.

^136.Selective current injection in V-groove quantum wire light emitting diodes

H. Weman, E. Martinet, M.-A. Dupertuis, A. Rudra, K. Leifer, and E. Kapon,

Proc. 24th Int. Conf. on the Physics of Semiconductors, Jerusalem, Israel, Aug. 2-7, 1998.

^137. Observation of two dimensional quantum confined Stark effect in V-groove quantum wires

H. Weman, E. Martinet, M.-A. Dupertuis, A. Rudra, K. Leifer, and E. Kapon,

Proc. 24th Int. Conf. on the Physics of Semiconductors, Jerusalem, Israel, Aug. 2-7, 1998.

^138. Wavefunction splitting in two-dimensional quantum confined Stark structures

M.-A. Dupertuis, E. Martinet, H. Weman, and E. Kapon,

Proc. 24th Int. Conf. on the Physics of Semiconductors, Jerusalem, Israel, Aug. 2-7, 1998.

^139.Valence band mixing and 1D-miniband formation in V-groove quantum wire superlattices

Y. Ducommon, M.-A. Dupertuis, E. Martinet, H. Weman, G. Biasiol, A. Gustafsson, and E. Kapon,

Proc. 24th Int. Conf. on the Physics of Semiconductors, Jerusalem, Israel, Aug. 2-7, 1998.

^140. Demonstration of anisotropic triaxial nature of strain in polarization and Zeeman splitting for strained quantum wires with a strong magnetic field

M. Notomi, J. Hammersberg, J. Zeman, H. Weman, M. Potemski, H. Sugiura, and T. Tamamura,

Proc. 24th Int. Conf. on the Physics of Semiconductors, Jerusalem, Israel, Aug. 2-7, 1998.

^141.2D quantum confined Stark effects in asymmetric V-groove quantum wires

E. Martinet, H. Weman, M.-A. Dupertuis, A. Rudra, K. Leifer, A. Condo, and E. Kapon,

Proc. 17th General meeting of Condensed Matter Division of European Physical Society, Grenoble, France, Aug. 25-29, 1998.

^142. Theoretical study of electronic states in quantum wire structures

M.A. Dupertuis, Y. Ducommon, E. Martinet, D. Oberli, H. Weman, and E. Kapon,

17th General Conf. of the Condensed Matter Division of European Physical Society, Grenoble, France, Aug. 25-29, 1998.

^143.Quantum confined Stark effect and phase-space exciton quenching in quantum wires

H. Weman, E. Martinet, M.-A. Dupertuis, A. Rudra, A.M. Condo, and E. Kapon,

Quantum Electronics and Laser Science Conf., Baltimore, MD, USA, May 23-28, 1999. Optical Society of America Technical Digest Series, 53-54 (1999).

^144.Highly selective carrier injection in V-groove quantum wire light-emitting diodes

H. Weman, E. Martinet, A. Rudra, and E. Kapon,

Proc. 3rd Pacific Rim Conf. on Lasers and Electro-Optics, Seoul, South Korea, Aug. 30-Sept. 3, p. 1099, 1999. Optical Society of America Technical Digest Series, Vol. 4, p. 1099, (1999).

^145. Carrier-induced effects on absorption and emission in V-groove quantum wire diodes

H. Weman, E. Martinet, M.-A. Dupertuis, A. Rudra, and E. Kapon,

Proc. 6th Int. Conf. on Optics of Excitons in Confined Systems, Ascona, Switzerland, Aug. 30 - Sep. 2, 1999.

^146. Nano-photonic emitters and modulators based on V-groove quantum wires and V-shaped waveguides

H. Weman,

Invited talk at 3rd Sweden-Japan Q-Nano workshop in Kyoto, Japan, Dec. 13-14, 1999.

^147.Optical absorption and carrier-induced effects in V-groove quantum wire waveguides

E. Martinet, H. Weman, M.-A. Dupertuis, A. Rudra, and E. Kapon,

Proc. 18th General Conf. of the Condensed Matter Division of European Physical Society, Montreux, Switzerland, March 13-17, p. 353, (2000).

^148.Coulomb correlation and tunneling effects in single and double V-groove quantum wire LEDs

H. Weman, E. Martinet, M.-A. Dupertuis, A. Rudra, K. Leifer, and E. Kapon,

Quantum Electronics and Laser Science Conf., San Francisco, CA, USA, May 7-12, 2000. Optical Society of America Technical Digest Series, pp. 76-77 (2000).

^149. Magneto-electroluminescence study of single and double V-groove quantum wires: Coulomb correlation, tunneling efficiency and spin-polarization

H. Weman, S. Jullian, M.-A. Dupertuis, M. Potemski, A. Rudra, and E. Kapon,

Proc. 25th Int. Conf. on the Physics of Semiconductors, Osaka, Japan, Sept. 17-22, 2000. Springer Proceedings in Physics, Eds. N. Miura and T. Ando, Springer Verlag, Vol. 87, pp. 1119-1120 (2001).

^150. Electro-absorption modulation by electron transfer in a single V-groove quantum wire waveguide structure

H. Weman, L. Sirigu, E. Martinet, S. Palmgren, A. Rudra, and E. Kapon,

Proc. 10th European Conf. on Integrated Optics, Paderborn, Germany, April 4-6, 2001. Ed. W. Sohler, pp. 98-101, (2001).

^151.Efficient nano-photonic devices based on self-ordered growth on V-grooved GaAs substrates

H. Weman,

Invited talk at 1st International Workshop on Quantum Nonplanar Nanostructures & Nanoelectronics, July 2–4, 2001, Tsukuba, Japan. Eds. M. Ogura and K. Matsumoto, pp. 59-64 (2001).

^152.Optical emission in a V-groove quantum wire laser diode under high magnetic fields

L. Sirigu, H. Weman, F. Karlsson, D.Y. Oberli, A. Rudra and E. Kapon,

Proc. 10th Int. Conference on Modulated Semiconductor Structures, Linz, Austria, July 23-27, 2001.

^153. Electro-absorption modulation by electron transfer in a single V-groove quantum wire waveguide structure

S. Palmgren, H. Weman, L. Sirigu, E. Martinet, A. Rudra, and E. Kapon,

2nd Int. Symposium on Nanostructures at Surfaces and Interfaces, Villigen, Switzerland, April 8-11, 2002.

^154.Efficient, narrow linewidth emission from InGaAs/AlGaAs V-groove quantum wire light-emitting diodes

H. Weman, L. Sirigu, K. Leifer, K.F. Karlsson, A. Rudra, and E. Kapon,

Proc. 14th Int. Conf. on Indium Phosphide and Related Materials, Stockholm, Sweden, May 12-16, 2002.

^155. Enhancement of excitonic effects in quantum wire light emitters

E. Kapon, L. Sirigu, H. Weman, D.Y. Oberli, M.-A. Dupertuis, and A. Rudra,

Proc. Quantum Electronics and Laser Science Conf., Moscow, Russia, June 22-28, 2002.

^156.Quantum wire light emitters: Physics and technology

H. Weman, L. Sirigu, D.Y. Oberli, M.-A. Dupertuis, and A. Rudra, and E. Kapon,

Invited talk at 2nd International Workshop on Quantum Nonplanar Nanostructures & Nanoelectronics, Sept. 9–11, 2002, Tsukuba, Japan. Eds. M. Ogura and K. Matsumoto, pp. 29-31 (2002).

^157. Electroluminescence from asymmetric coupled GaAs/AlGaAs V-groove quantum wires

K.F. Karlsson, H. Weman, M.-A. Dupertuis, K. Leifer, A. Rudra, and E. Kapon,

Proc. 29th Int. Symposium on Compound Semiconductors, Lausanne, Switzerland, Oct. 7-10, 2002. Inst. Phys. Conf. Ser. No 174, 183-186 (2003).

^158.Use of quantitative EELS and cathodoluminescence for study of carrier confinement and diffusion in self organized vertical quantum wells

K. Leifer, S. Mautino, H. Weman, A. Rudra, E. Pelucchi, F. Bobard, A. Wyser, and E. Kapon,

13th Int. Conf. on Microscopy of Semiconducting Materials, Cambridge, United Kingdom, March 31–April 3, 2003. Inst. Phys. Conf. Ser. No 180, 131-134 (2003).

^159.Single quantum wire waveguide modulator with high on/off ratio and low voltage swing

S. Palmgren, H. Weman, A. Rudra, and E. Kapon,

Proc. 11th European Conf. on Integrated Optics, Prague, Czech Republic, April 2-4, 2003. Ed. J. Ctyroky, p. 149 (2003).

^160.Electron and hole transfer between two separated GaAs/AlGaAs V-groove quantum wires

K.F. Karlsson, H. Weman, M.-A. Dupertuis, K. Leifer, A. Rudra, and E. Kapon,

Proc. 11th Int. Conf. on Modulated Semiconductor Structures, Nara, Japan, July 14-18, 2003.

^161.The fractional-dimensional excitonic absorption theory applied to real V-groove quantum wires

K.F. Karlsson, M.-A. Dupertuis, H. Weman, and E. Kapon,

Proc. 27th Int. Conf. on the Physics of Semiconductors, Flagstaff, Arizona, USA, July 26-30, 2004.

AIP Conf. Proc. 772, 881 (2005).

^162.Carrier tunneling between parallel GaAs/AlGaAs quantum wires

K.F. Karlsson, H. Weman, K. Leifer, A. Rudra, and E. Kapon,

Proc. 27th Int. Conf. on the Physics of Semiconductors, Flagstaff, Arizona, USA, July 26-30, 2004.

AIP Conf. Proc. 772, 919 (2005).

^163. V-groove quantum wire laser optimisation

H. Reichardt, K. Atlasov, H. Weman, L. Sirigu, P. Clausen, and E. Kapon,

Proc. Monte Verita Summer School on Semiconductor Quantum dots: Physics and Devices, Ascona, Switzerland, Sept. 5-10, 2004.

^164. Absorption in a V-groove quantum wire waveguide

S. Palmgren, H. Weman, A. Schoenberg, A. Rudra, and E. Kapon,

Proc. Monte Verita Summer School on Semiconductor Quantum dots: Physics and Devices, Ascona, Switzerland, Sept. 5-10, 2004.

^165.GaAs V-groove quantum wire LEDs and lasers,

H. Weman, H. Reichardt, L. Sirigu, K.F. Karlsson, and E. Kapon,

Proc. of the Swedish Optical Society Conference on Optics in Sweden 2004, Linköping, Sweden, Nov. 9-10, 2004.

^166.Optical modes and absorption in a V-shaped AlGaAs waveguide with a single GaAs quantum wire

S. Palmgren, H. Weman, A. Schoenberg, and E. Kapon,

Proc. of the Swedish Optical Society Conference on Optics in Sweden 2004, Linköping, Sweden, Nov. 9-10, 2004.

^167. V-groove quantum wire waveguide devices

S. Palmgren, H. Reichard, H. Weman, A. Schoenberg, E. Pelucchi, A. Rudra, K. F. Karlsson, K. Leifer and E. Kapon,

11^th European Workshop on Metalorganic Vapour Phase Epitaxy, Lausanne, Switzerland, June 5-8, 2005.

^168.Strongly reduced carrier/exciton transfer efficiency between parallel quantum wires: a comparison with quantum wells

K.F. Karlsson, H. Weman, S.K. Lyo, A. Rudra, and E. Kapon,

12^th Int. Conf. on Modulated Semiconductor Structures, Albuquerque, New Mexico, USA, July 10-15, 2005

^169. V-groove quantum wire devices

H. Weman, S. Palmgren, H. Reichardt, A. Schoenberg, E. Pelucchi, A. Rudra, K. F. Karlsson, K. Leifer and E. Kapon,

1^st Int. Symposium on Semiconductor Nanowires, Lund, Sweden, Oct. 5-6, 2005.

^170. Fabrication and characterization of nanophotonic structures and devices

H. Weman, (invited)

1^st NTNU Nanoscience & Nanotechnology workshop, Jaegtvolden, Norway, March 9-10, 2006.

^171. Exciton energy transfer between asymmetric quantum wires

S.K. Lyo, K.F. Karlsson, H. Weman, A. Rudra, and E. Kapon,

March 2006 Meeting of the American Physical Society, Baltimore, MD, USA, March 13-17, 2006, Bulletin of the American Physical Society.

^172. Semiconductor quantum-wires and nano-wires for photonics

H. Weman, (invited)

Nanoscience-Nanotechnology seminar, Trondheim, Norway, May 30, 2006.

^173. Photonic V-groove quantum wire devices

H. Weman, S. Palmgren, H. Reichardt, K.F. Karlsson, A. Rudra and E. Kapon,

Northern Optics, Bergen, Norway, 2006, June 14-16, 2006.

^174.Optical absorption spectra in V-groove quantum wires: Experiment and theory

S. Palmgren, H. Weman, A. Schoenberg, K.F. Karlsson, A. Rudra and E. Kapon,

Northern Optics, Bergen, Norway, 2006, June 14-16, 2006.

^175.Exciton transfer efficiency between asymmetric coupled GaAs V-groove quantum wires

H. Weman, K. F. Karlsson, K. Lyo, K. Leifer, A. Rudra, and E. Kapon,

Norwegian Physical Society meeting, Gålå, Norway, Sept. 13-15 (2006).

^176. Fabrication and structural characterization of GaAs nanowires grown by molecular beam epitaxy

D. Dasa, O.C. Tvedt, T.A. Nilsen, B.-O. Fimland, and H. Weman,

2nd NTNU Nanoscience & Nanotechnology workshop, Trondheim, Norway, March 7, 2007.

^177. Semiconductor quantum-wires and nano-wires for optoelectronic applications

H. Weman, (invited)

International Conference on Optical, Optoelectronic and Photonic Materials and Applications, London, UK, July 30 - Aug. 3, 2007

Publications by Helge Weman

Contents

Journal papers

Conference presentations

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