Harri Lipsanen

Professor

Research outputs

  1. 2000
  2. Published

    Optoelectronics Laboratory Activity Report 1996-1999

    Collan, H., Lipsanen, H., Rantamäki, R. & Tuomi, T., 2000, Espoo, p. 86, (Helsinki University of Technology, Optoelectronics Laboratory).

    Research output: Working paperProfessional

  3. 1999
  4. Published

    Electron-hole correlation in quantum dots under a high magnetic field (up to 45T)

    Cingolani, R., Rinaldi, R., Lipsanen, H., Sopanen, M., Virkkala, R., Maijala, K., Tulkki, J., Ahopelto, J., Uchida, K., Miura, N. & 1 others, Arakawa, Y., 6 Dec 1999, In : Physical Review Letters. 83, 23, p. 4832-4835 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  5. Published

    Carrier relaxation in self-organized quantum dots: the effect of doping

    Lipsanen, H., Koskenvaara, H., Toivonen, J., Sopanen, M. & Ahopelto, J., 1999, ADVANCED LUMINESCENT MATERIALS AND QUANTUM CONFINEMENT. Cahay, M., Bandyopadhyay, S., Lockwood, D. J., Koshida, N., Leburton, J. P., Meyyappan, M. & Sakamoto, T. (eds.). New Jersey, p. 176-180 5 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  6. Published

    Effect of InP passivation on carrier recombination in InGaAs/GaAs surface quantum wells

    Lipsanen, H., Sopanen, M., Ahopelto, J., Sandman, J. & Feldmann, J., 1999, In : Japanese Journal of Applied Physics. 38, 2B, p. 1133-1134 2 p.

    Research output: Contribution to journalArticleScientificpeer-review

  7. Published

    Effects of electron-hole correlation in quantum dots under high magnetic field (up to 45T)

    Rinaldi, R., Cingolani, R., Lipsanen, H., Sopanen, M., Virkkala, R., Maijala, K., Tulkki, J., Braskén, M., Ahopelto, J., Uchida, K. & 2 others, Miura, N. & Arakawa, Y., 1999, The 9th International Conference on Modulated Semiconductor Structures (MSS9), July 12-16, 1999, Fukuoka, Japan. p. p. B03

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  8. Published

    Experimental determination of intra-lever relaxation time in quantum dots with different energy level spacing

    Koskenvaara, H., Sopanen, M., Tulkki, J., Lipsanen, H., Braskén, M. & Lindberg, M., 1999, The 41st Electronic Materials Conference, Santa Barbara, Calirofnia, June 30-July 2, 1999. Santa Barbara, California, p. 79-80

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  9. Published

    Growth and optical properties of strain-induced quantum dots

    Lipsanen, H., Sopanen, M., Tulkki, J., Ahopelto, J., Braskén, M. & Lindberg, M., 1999, In : Physica Scripta. 1999, T79, p. 20-26 7 p.

    Research output: Contribution to journalArticleScientificpeer-review

  10. Published

    Mechanical nanomanipulation of single strain-induced semiconductor quantum dots

    Obermuller, C., Deisenrieder, A., Abstreiter, G., Karrai, K., Grosse, S., Manus, S., Feldmann, J., Lipsanen, H., Sopanen, M. & Ahopelto, J., 1999, In : Applied Physics Letters. 75, 3, p. 358-360 3 p.

    Research output: Contribution to journalArticleScientificpeer-review

  11. Published

    Pauli-blocking imaging of single strain-induced semiconductor quantum dots

    Obermuller, C., Deisenrieder, A., Abstreiter, G., Karrai, K., Grosse, S., Manus, S., Feldmann, J., Lipsanen, H., Sopanen, M. & Ahopelto, J., 1999, In : Applied Physics Letters. 74, 21, p. 3200-3202 3 p.

    Research output: Contribution to journalArticleScientificpeer-review

  12. Published

    Pauli-blocking imaging of single strain-induced semiconductor quantum dots

    Obermuller, C., Deisenrieder, A., Abstreiter, G., Grosse, S., Feldman, J., Karrai, K., Lipsanen, H., Sopanen, M. & Ahopelto, J., 1999, Materials Research Society 1999 Spring Meeting, San Fransisco, California, USA, April 4-9, 1999. San Fransisco, California, p. 348

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  13. Published

    Tailoring of energy levels in strain-induced quantum dots

    Ahopelto, J., Sopanen, M. & Lipsanen, H., 1999, In : Japanese Journal of Applied Physics. 38, 2B, p. 1081-1084 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  14. Published

    Trailoring of energy levels in strain-induced quantum dots

    Ahopelto, J., Lipsanen, H. & Sopanen, M., 1999, In : Japanese Journal of Applied Physics. 38, p. 1081-1084

    Research output: Contribution to journalArticleScientificpeer-review

  15. 1998
  16. Published

    Temperature dependence of carrier relaxation in strain-induced quantum dots

    Brasken, M., Lindberg, M., Sopanen, M., Lipsanen, H. & Tulkki, J., 15 Dec 1998, In : Physical Review B. 58, 24, p. R15993-R15996 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  17. Published

    Strain-induced quantum dot superlattice

    Sopanen, M., Lipsanen, H., Tulkki, J. & Ahopelto, J., 15 Jul 1998, In : PHYSICA E: LOW: DIMENSIONAL SYSTEMS AND NANOSTRUCTURES. 2, 1-4, p. 19-22 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  18. Published

    Magneto-optical properties of strain-induced InxGa1−xAs parabolic quantum dots

    Rinaldi, R., Mangino, R., Cingolani, R., Lipsanen, H., Sopanen, M., Tulkki, J., Brasken, M. & Ahopelto, J., 15 Apr 1998, In : Physical Review B. 57, 16, p. 9763-9769 7 p.

    Research output: Contribution to journalArticleScientificpeer-review

  19. Published

    Effect of InP passivation on carrier recombination in In_(x)Ga_(1-x)As/GaAs surface quantum wells

    Lipsanen, H., Sopanen, M., Ahopelto, J., Sandmann, J. & Feldmann, J., 1998, 10th International Conference on Indium Phosphide and Related Materials. IEEE, p. 549-551 3 p. (IEEE CONFERENCE PROCEEDINGS).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  20. Published

    High magnetic field effects on the optical properties of InGaAs parabolic quantum dots

    Rinaldi, R., Cingolani, R., Lipsanen, H., Sopanen, M., Tulkki, J., Brasken, M., Ahopelto, J., Uchida, K., Miura, N. & Arakawa, Y., 1998, 24th International Conference on the Physics of Semiconductors ICPS 24, Jerusalem, Israel, August 2-7, 1998. p. s. Th3B-5

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  21. Published

    Hybride vapour phase epitaxy for nanostructures

    Rodriguez Messmer, E., Lourdudoss, S., Ahopelto, J., Lipsanen, H., Wesström, J-O., Hieke, K., Reithmaier, J. P., Kerkel, K., Forchel, A., Seifert, W. & 2 others, Carlsson, N. & Samuelson, L., 1998, In : Materials Science & Engineering B. 51, p. 238-241

    Research output: Contribution to journalArticleScientificpeer-review

  22. Published

    Photoluminescence study of passivated surface quantum wells

    Lipsanen, H., Sopanen, M., Ahopelto, J., Sandmann, J. & Feldmann, J., 1998, 11th International Conference on Superlattices and Microstructures ICSMM-11, Hurghada, Egypt, July 27-August 1, 1998. p. 132-133

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  23. Published

    Terahertz(THz)-Near Infrated(NIR) Upconversion in strain-induced quantum dots

    Yusa, G., Allen, S. J., Sakaki, H., Kono, J., Lipsanen, H., Sopanen, M. & Tulkki, J., 1998, 24th International Conference on the Physics of Semiconductors ICPS 24, Jerusalem, Israel, August 2-7, 1998. p. s. Tu3C3

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  24. Published

    The role of stressor size fluctuation in photoluminescence of strain-induced quantum dots

    Ahopelto, J., Sopanen, M., Lipsanen, H. & Tulkki, J., 1998, COMPOUND SEMICONDUCTORS 1998. Sakaraki, H., Woo, JC. & Hirayama, Y. (eds.). p. 421-426 6 p. (INSTITUTE OF PHYSICS CONFERENCE SERIES; no. 162).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  25. Published

    THz-Near Infrared upconversion in strain-induced quantum dots

    Yusa, G., Allen, J., Sakaki, H., Kono, J., Ahopelto, J., Lipsanen, H., Sopanen, M. & Tulkki, J., 1998, 20th International FEL98 Conference & 5th Users Workshop, Williamsburg, USA, August 16-21,1998. p. 127-128

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  26. Published

    Tuning of energy levels in strain-induced quantum dots

    Ahopelto, J., Sopanen, M. & Lipsanen, H., 1998, 10th International Conference on Indium Phosphide and Related Materials IPRM'98, Tsukuba, Japan, May 11-15, 1998. p. 11-12

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  27. 1997
  28. Published

    Carrier relaxation in strain-induced (GaIn)As quantum dots

    Sandman, J. H., Grosse, S., von Plessen, G., Feldman, J., Hayes, G., Phillips, R., Lipsanen, H., Sopanen, M. & Ahopelto, J., Nov 1997, In : PHYSICA STATUS SOLIDI A: APPLICATIONS AND MATERIALS SCIENCE. 164, 1, p. 421-425 5 p.

    Research output: Contribution to journalArticleScientificpeer-review

  29. Published

    Ultrafast relaxation dynamics in strain-induced quantum dots

    Sandman, J. H., Grosse, S., von Plessen, G., Feldmann, J., Hayes, G., Phillips, R., Lipsanen, H., Sopanen, M. & Ahopelto, J., Nov 1997, In : PHYSICA STATUS SOLIDI B: BASIC SOLID STATE PHYSICS. 204, 1, p. 251-254 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  30. Published

    Self-organized InAs islands on (100) InP by metalorganic vapor-phase epitaxy

    Taskinen, M., Sopanen, M., Lipsanen, H., Tulkki, J., Tuomi, T. & Ahopelto, J., 10 Apr 1997, In : Surface Science. 376, 1-3, p. 60-68 9 p.

    Research output: Contribution to journalArticleScientificpeer-review

  31. Published

    Hydride vapour phase epitaxy for nanostructures

    Rodriquez, E., Lourdudoss, S., Ahopelto, J., Lipsanen, H., Wesström, J-O., Hieke, K., Reithmaier, J. P., Kerkel, K., Forchel, A., Seifert, W. & 2 others, Calrsson, N. & Samuelson, L., 27 Feb 1997, In : JOURNAL OF MATERIALS SCIENCE AND ENGINEERING B. 51, 1-3, p. 238-241 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  32. Published

    Carrier relaxation dynamics in quantum dots: scattering mechanisms and state-filling effects

    Grosse, S., Sandman, J., von Plessen, G., Feldman, J., Lipsanen, H., Sopanen, M., Tulkki, J. & Ahopelto, J., 15 Feb 1997, In : Physical Review B. 55, 7, p. 4473-4476 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  33. Published

    Synchrotron X-ray topographic study of strain in silicon wafers with integrated circuits

    Karilahti, M., Tuomi, T., Taskinen, M., Tulkki, J., Lipsanen, H. & McNally, P., Feb 1997, In : Il Nuovo Cimento. 19, 2, p. 181-184 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  34. Published

    Maskless selective growth of InGaAs/InP quantum wires on (100) GaAs

    Ahopelto, J., Sopanen, M., Lipsanen, H., Lourdudoss, S., Rodriguez, E., Höfling, E., Reithmaier, J. P., Forchel, A., Petersson, A. & Samuelson, L., 1997, In : Applied Physics Letters. 70, 21, p. 2828-2830 3 p.

    Research output: Contribution to journalArticleScientificpeer-review

  35. Published

    Maskless selective growth of InGaAs/InP quantum wires on (100) GaAs

    Ahopelto, J., Sopanen, M., Lipsanen, H., Lourdudoss, S., Rodriquez, E., Messmer, H., Reithmaier, J. P., Forchel, A., Petersson, A. & Samuelson, L., 1997, Second International Conference on Low Dimensional Structures & Devices, Lisbon, Portugal, May 19-21, 1997. p. 47

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  36. Published

    Optical characterisation of self organised InGaAs/InP heterodots

    Guasch, C., Ahopelto, J., Lipsanen, H., Sopanen, M., Sotomayor Torres, C. M., Gontijo, I. & Buller, G. S., 1997, In : Institute of Physics Conference Series. 155, p. 813-816 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  37. Published

    Photoluminescence decay and upconversion of stressor-induced GaInP quantum dots

    Jaaniso, R., Lipsanen, H., Reimand, I. & Sopanen, M., 1997, p. 4, (X International Symposium, Ultrafast Phenomena in Spectroscopy, Tartu, Estonia, August 24-28, 1997).

    Research output: Working paperProfessional

  38. Published

    Self-organized growth of InAs islands on (100) Si by metalorganic vapor phase epitaxy

    Lipsanen, H., Sopanen, M. & Ahopelto, J., 1997, Second International Conference on Low Dimensional Structures & Devices, Lisbon, Portugal, May 19-21, 1997. p. 35

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  39. Published

    Self-Organized InAs Islands on (100) InP by Metalorganic Vapor-Phase Epitaxcy

    Taskinen, M., Sopanen, M., Lipsanen, H., Tulkki, J., Tuomi, T. & Ahopelto, J., 1997, In : Surface Science. 376, p. 60

    Research output: Contribution to journalArticleScientificpeer-review

  40. Published

    Strain-induced quantum dots: fabrication and optical properties

    Ahopelto, J., Sopanen, M., Lipsanen, H., Taskinen, M., Tulkki, J., Sandmann, J. H. H., Grosse, S., von Plessen, G., Feldmann, J., Hayes, G. & 4 others, Phillips, R., Rinaldi, R., Giugno, P. V. & Cingolani, R., 1997, 10th International Conference on Superlattices, Microstructures and Microdevices, Lincoln, Nebraska, USA, July 8-11, 1997. p. 7

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  41. Published

    Strain-Induced Quantum Dots: Fabrication and Optical Properties

    Ahopelto, J., Sopanen, M., Lipsanen, H., Taskinen, M., Tulkki, J., Sandmann, J. H., Grosse, S., Won Plessen, G., Feldmann, J., Hayes, G. & 4 others, Philips, R., Rinaldi, R., Giugno, P. V. & Cingolani, R., 1997, In : PHYSICS OF LOW-DIMENSIONAL STRUCTURES. 12, p. 41-47 7 p.

    Research output: Contribution to journalArticleScientificpeer-review

  42. Published

    Strain-induced quantum dot superlattice

    Sopanen, M., Lipsanen, H., Tulkki, J. & Ahopelto, J., 1997, Proceedings of the 18th Annual Conference on Modulated Semiconductor Structures: Santa Barbara, USA, July 14-19, 1997. p. OMB7

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  43. Published

    Synchrotron X-raytopographic study of strain in silicon wafers with integrated circuits

    Karilahti, M., Tuomi, T., Taskinen, M., Tulkki, J. & Lipsanen, H., 1997, In : Il Nuovo Cimento. 19 D, 1, p. 181-184

    Research output: Contribution to journalArticleScientificpeer-review

  44. Published

    Ultrafast relaxation dynamics in strain-induced quantum dots

    Sandmann, J. H. H., Grosse, S., von Plessen, G., Feldman, J., Hayes, G., Phillips, R., Lipsanen, H., Sopanen, M. & Ahopelto, J., 1997, p. 2, (Fifth International Symposium on Optics of Excitons in Confined Systems, Göttingen, Germany, August 1-14,1997).

    Research output: Working paperProfessional

  45. 1996
  46. Published

    Metalorganic vapor phase epitaxial growth of A1GaSb and A1GaAsSb using all-organometallic sources

    Koljonen, T., Sopanen, M., Lipsanen, H. & Tuomi, T., 1 Dec 1996, In : Journal of Crystal Growth. 169, 3, p. 417-423 7 p.

    Research output: Contribution to journalArticleScientificpeer-review

  47. Published

    Zeeman effect in parabolic quantum dots

    Rinaldi, R., Guigno, P., Cingolani, R., Lipsanen, H., Sopanen, M., Tulkki, J. & Ahopelto, J., 8 Jul 1996, In : Physical Review Letters. 77, 2, p. 342-345 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  48. Published

    Synchrotron X-ray topographic analysis of the impact of processing steps on the fabrication of AlGaAs/InGaAs p-HEMTs

    McNally, P., Tuomi, T., Herbert, P., Baric, A., Äyräs, P., Karilahti, M., Lipsanen, H. & Tromby, M., Jul 1996, In : IEEE Transactions on Electron Devices. 43, 7, p. 1085-1091 7 p.

    Research output: Contribution to journalArticleScientificpeer-review

  49. Published

    Carrier Relaxation and Recombination Dynamics in InGaAs/GaAs Quantum Dots

    Sandmann, J., Grosse, S., Feldmann, J., Lipsanen, H., Sopanen, M., Tulkki, J. & Ahopelto, J., 1996, 1996 Ultrafast Phenomena, San Diego, California, 28 May - 1 June 1996. San Diego, USA

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  50. Published

    Enhanced luminescence of near-surface quantum wells passivated in situ by InP

    Lipsanen, H., Sopanen, M., Taskinen, M., Tulkki, J. & Ahopelto, J., 1996, Scwäbisch Gmund, Germany, (Proceedings of Eight International Conference on Indium Phosphide and Related Materials, Scwäbich Gmund, Germany, 21-25 April 1996).

    Research output: Working paperProfessional

  51. Published

    Enhanced luminescence of near-surface quantum wells passivated in situ by InP

    Lipsanen, H., Sopanen, M., Taskinen, M., Tulkki, J. & Ahopelto, J., 1996, Eighth International Conference on Indium Phosphide and Related Materials, 1996 . IEEE, p. 490-493 4 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  52. Published

    Enhanced optical properties of in situ passivated near-surface AlxGa1-xAs/GaAs quantum wells

    Lipsanen, H., Sopanen, M., Taskinen, M., Tulkki, J. & Ahopelto, J., 1996, In : Applied Physics Letters. 68, 16, p. 2216-2218 3 p.

    Research output: Contribution to journalArticleScientificpeer-review

  53. Published

    Fabrication and photoluminescence of quantum dots induced by strain of self-organized stressors

    Lipsanen, H., Sopanen, M. & Ahopelto, J., 1996, In : Solid-State Electronics. 40, 1-8, p. 601-604 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  54. Published

    Fabrication of InGaAs quantum disks using self-organized InP islands as a mask in wet chemical etching

    Sopanen, M., Lipsanen, H. & Ahopelto, J., 1996, In : Applied Physics Letters. 69, 26, p. 4029-4031 3 p.

    Research output: Contribution to journalArticleScientificpeer-review

  55. Published

    In Situ Passivation of Near-Surface A1xGa1-xAs/GaAs Quantum Wells

    Lipsanen, H., Sopanen, M., Taskinen, M., Tulkki, J. & Ahopelto, J., 1996, Berlin, Germany, p. 1111-1114, (The Physics of Semiconductors. Proceedings of 23rd International Conference on the Physics of Semiconductors, Berlin, 1996).

    Research output: Working paperProfessional

ID: 53661