Presentation 2013-05-17
An Analysis of the Noise Reduction Effect by Superposition of High Frequency Current in Semiconductor Lasers
Sazzad Imran, Minoru Yamada,
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Abstract(in English) Semiconductor lasers tend to generate excess intensity noise called the optical feedback (OFB) noise. Superposition of high frequency (HF) current is used as a technique to suppress the OFB noise. This paper demonstrates numerical simulations on the phenomena of the OFB noise and its suppression effects by the superposition of HF current. The model used here was based on multimode rate equations that include non-linear gain, Langevin noise sources for photon number, phase and carrier fluctuation, the OFB and the HF superposition. Correspondence between experiment and simulation is also demonstrated.
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Keyword(in English) Semiconductor lasers / Noise suppression / Optical feedback / High frequency superposition
Paper # LQE2013-1
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Committee LQE
Conference Date 2013/5/10(1days)
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Registration To Lasers and Quantum Electronics (LQE)
Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) An Analysis of the Noise Reduction Effect by Superposition of High Frequency Current in Semiconductor Lasers
Sub Title (in English)
Keyword(1) Semiconductor lasers
Keyword(2) Noise suppression
Keyword(3) Optical feedback
Keyword(4) High frequency superposition
1st Author's Name Sazzad Imran
1st Author's Affiliation Graduate School of Natural Science and Technology, Kanazawa University()
2nd Author's Name Minoru Yamada
2nd Author's Affiliation Graduate School of Natural Science and Technology, Kanazawa University
Date 2013-05-17
Paper # LQE2013-1
Volume (vol) vol.113
Number (no) 49
Page pp.pp.-
#Pages 6
Date of Issue