Presentation 2014-05-16
On Analysis of Quantum Dot Laser Based on Theory of Stochastic Process
Shiji KOBAYASHI, Nobuo NISHIMIYA, Chugo FUJIHASHI,
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Abstract(in English) The quantum dot semiconductor lasers have a property of narrow spectrum line width and low level threshold current, and the oscillation characteristics of the lasers are more stable characteristic to temperature variation than the conventional semiconductor lasers. In the quantum dot lasers, generally a lot of quantum dots are configured in the active region, and sufficient gains of light power are obtained. In this paper, the stochastic equations are applied to the probabilities for the numbers of electrons and holes in a dot, and the interactions between electrons, holes, and photons are considered on the probabilities. As the results the oscillation characteristics based on the deferent numbers of electrons and holes are analyzed. It is shown that the efficiency of the laser depends on the difference of electron injection and hole injection currents.
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Keyword(in English) Quantum dot / Injection current laser / Theory of stochastic process / Rate equation
Paper # OCS2014-1,OPE2014-1
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Committee OCS
Conference Date 2014/5/9(1days)
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Registration To Optical Communication Systems (OCS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) On Analysis of Quantum Dot Laser Based on Theory of Stochastic Process
Sub Title (in English)
Keyword(1) Quantum dot
Keyword(2) Injection current laser
Keyword(3) Theory of stochastic process
Keyword(4) Rate equation
1st Author's Name Shiji KOBAYASHI
1st Author's Affiliation Faculty of Engineering, Tokyo Polytechnic University()
2nd Author's Name Nobuo NISHIMIYA
2nd Author's Affiliation Faculty of Engineering, Tokyo Polytechnic University
3rd Author's Name Chugo FUJIHASHI
3rd Author's Affiliation Faculty of Engineering, Tokyo Polytechnic University
Date 2014-05-16
Paper # OCS2014-1,OPE2014-1
Volume (vol) vol.114
Number (no) 36
Page pp.pp.-
#Pages 6
Date of Issue