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New Type of Semiconductor Lasers with Quantum-Well Wire Structures and Quantum-Well Box Structures

Research Project

Project/Area Number 63044032
Research Category

Grant-in-Aid for international Scientific Research

Allocation TypeSingle-year Grants
SectionJoint Research
Research InstitutionResearch Center for Advanced Science and Technology, Univ. of Tokyo

Principal Investigator

ARAKAWA Yasuhiko  Research Center for Advanced Science and Technology, Univ. of Tokyo, 先端科学技術研究センター, 助教授 (30134638)

Co-Investigator(Kenkyū-buntansha) シュールマン ジョー  ヒューズ研究所, 研究員
バハラ ケリー  カリフォルニア工科大学, 工学部, 助教授 (98999999)
ヤリフ アムノン  カリフォルニア工科大学, 工学部, 教授
TAKAHASHI Takuji  Research Center for Advanced Science and Technology, Univ. of Tokyo, 先端科学技術研究センター, 特別研究員 (20222086)
SOGAWA Tetsuomi  Research Center for Advanced Science and Technology, Univ. of Tokyo, 先端科学技術研究センター, 特別研究員 (70211993)
SAKAI Hiroyuki  Research Center for Advanced Science and Technology, Univ. of Tokyo, 先端科学技術研究センター, 教授 (90013226)
IKOMA Toshiaki  Institute of Industrial Science, Univ. of Tokyo, 生産技術研究所, 教授 (80013118)
SCHULMAN Joel N.  Hughes Research Laboratory
YARIV Amnon  California Institute of Technology
VAHALA Kerry  California Institute of Technology
Project Period (FY) 1988 – 1990
Project Status Completed (Fiscal Year 1990)
Budget Amount *help
¥7,500,000 (Direct Cost: ¥7,500,000)
Fiscal Year 1990: ¥2,500,000 (Direct Cost: ¥2,500,000)
Fiscal Year 1989: ¥2,500,000 (Direct Cost: ¥2,500,000)
Fiscal Year 1988: ¥2,500,000 (Direct Cost: ¥2,500,000)
KeywordsQuantum Box / Quantum Wire / High Magnetic Field / Semiconductor Laser / Molecular Beam Epitaxy / Metal Organic Vapor Phase Deposition / Band Theory / Strain Effect
Research Abstract

It is important to investigate effects of quantum wire and quantum box structure on lasing properties in semiconductor lasers for future optical information and communication systems. For this purpose we started cooperative research with professors of California Institute of Technology. In this research project, we do research on (1) Realization of quantum wire and quantum box effects in semiconductor lasers by placing a quantum well laser in a high magnetic field. (2) To clarify ultimate limit of lasing properties in the quantum box lasers (3) physics of electronic states and optical properties in quantum wire and box lasers including band theory. From University of Tokyo Prof. Arakawa, Prof. Sakaki, Prof. Ikoma, Mr. Sogawa, and Mr. Takahashi and from California Institute of Technology, Prof. Yariv and Prof. Vahala participated in this project. Moreover, Dr. Schulman, Hughes Research Institute, former visiting Researcher in Caltech also joined this project.
For the high magnetic field … More experiment, we used high magnetic field facilities in Frnacis Bitter Maenet Laboratory of Massachusetts Institute of Technology, U.S.A. carrying samples, sample holders, various kinds of measurement equipment from Japan and west coast. In the experiment we clarified quantum box effects through the measurement of anisotropic properties of photoluminescence and lasing properties rotating the quantum well lasers in the high magnetic field. We believe that our experiment has been successful and clarified several important characteristics.
We also study ultimate lasing characteristics of quantum wire and quantum box lasers. Threshold current, modulation dynamics, and spectral properties were discussed. In addition, several problems raised in such microstructure lasers such as size variation and nonlinear gain effects were investigated.
Electronic states which are important for predicting lasing characteristics were also intensively discussed using the tight binding method. Band structures including the valence band of quantum wires were clarified, showing that the nonparabolicity and negative effective mass natures are more pronounced with the increase of the quantum confinement. Moreover, we discussed effects of incorporation of the strain effect in the quantum wires.
Moreover we also exchange technical information on recent results on fabrication technology for quantum wires and boxed. Caltech group are studying MOCVD growth on SiO2 patterned substrates, while University of Tokyo group are investigating both tilted super lattice structures grown by MBE and electron beam assisted MOCVD. Both groups are now successful to achieve quasi-quantum wire structures. However, we still need one breakthrough for realizing real quantum wire and box structures. Less

Report

(1 results)
  • 1990 Final Research Report Summary
  • Research Products

    (12 results)

All Other

All Publications (12 results)

  • [Publications] Y.Arakawa,T.Takahashi and K.Vahara: ""Lasing Characteristics of Semiconductor Lasers with Quantum Box Structures"" International Quantum Electronics Conference,Tokyo 1988. (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] K.Vahara and Y.Arakawa: ""Field Spectrum Anisotropy in Multiple QuantumーWell Semiconductor Lasers Subjected to High Magnetic Fields"" Superlattice and Microstructures,Vol.4,No.4,1988. 4. (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] T.Yamauchi,Y.Arakawa, and J.N.Schulman: ""Tightーbinding analysis of the conductionーband structure in quantum wires"" Appl.Phys.Lett.57. 1224-1226 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Y.Arakawa,T.Yamauchi, and J.N.Schulman: ""Tightーbinding analysis of energyーband structures in quantum wires"" to be published in Phys.Rev.B. 43. (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Y.Arakawa,T.Yamauchi, and J.N.Schulman: ""Energy band structures in strained quantum wires"" submitted in Phys.Rev.B. (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] T. Takahashi, J. N. Schulman and Y.Arakawa: ""Dependence of Lasing Characteristics of Quantum Well Lasers on Substrate Orientation:Tightーbinding Theory"" Appl.Phys.Lett.58. 881-883 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Y. Arakawa, T. Takahashi and K. Vahara: ""Lasing Characteristics of Semiconductor Lasers with Quantum Box Structures"" International Quantum Electronics Conference, Tokyo 1988. (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] K. Vahara and Y. Arakawa: ""Field Spectrum Aniotropy in Multiple Quantum-Well Semiconductor Lasers Subjected to High Magnetic Fields"" Superlattice and Microstructures. 4. (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] T. Yamauchi, Y. Arakawa, and J. N. Schulman: ""Tight-binding analysis of the conduction-band structure in quantum wires"" Appl. Phys. Lett.57. 1224-1226 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Y. Arakawa, T. Yamauchi, and J. N. Schulman: ""Tight-binding analysis of energy-band structures in quantum wires"" to be published in Phys. Rev. B. 43. (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] Y. Arakawa, T. Yamauchi, and J. N. Schulman: ""Energy band structures in strained quantum wires"" submitted in Phys. Rev. B.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary
  • [Publications] T. Takahashi, J. N. Schulman and Y. Arakawa: ""Dependence of Lasing Characteristics of Quantum Well Lasers on Substrate Orientation : Tight-binding Theory"" Appl. Phys. Lett.58. 881-883 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1990 Final Research Report Summary

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Published: 1988-04-01   Modified: 2016-04-21  

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