Optical feedback instabilities in a monolithic InAs/GaAs quantum dot passively mode-locked laser

F. Grillot; C. Y. Lin; N. A. Naderi; M. Pochet; L. F. Lester

doi:10.1063/1.3114409

Optical feedback instabilities in a monolithic InAs/GaAs quantum dot passively mode-locked laser

F. Grillot, C. Y. Lin, N. A. Naderi, M. Pochet, L. F. Lester

University of New Mexico

Research output: Contribution to journal › Article › peer-review

Abstract

The impact of optical feedback on the direct performance of a monolithic InAs/GaAs quantum dot passively mode-locked laser intended for applications such as multigigahertz interchip/intrachip clock distribution is experimentally investigated. Evaluation of the feedback resistance is an important feature, as the laser is to be monolithically integrated on chip with other devices, in which case optical isolation is difficult. This work shows that a feedback level on the order of -24 dB is detrimental for mode-locking operation, enhancing noise in the rf electrical signal, strongly narrowing the useful mode-locking region as well as causing central frequency shift, and severe instabilities.

Original language	English
Article number	153503
Journal	Applied Physics Letters
Volume	94
Issue number	15
DOIs	https://doi.org/10.1063/1.3114409
Publication status	Published - 27 Apr 2009
Externally published	Yes

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title = "Optical feedback instabilities in a monolithic InAs/GaAs quantum dot passively mode-locked laser",

abstract = "The impact of optical feedback on the direct performance of a monolithic InAs/GaAs quantum dot passively mode-locked laser intended for applications such as multigigahertz interchip/intrachip clock distribution is experimentally investigated. Evaluation of the feedback resistance is an important feature, as the laser is to be monolithically integrated on chip with other devices, in which case optical isolation is difficult. This work shows that a feedback level on the order of -24 dB is detrimental for mode-locking operation, enhancing noise in the rf electrical signal, strongly narrowing the useful mode-locking region as well as causing central frequency shift, and severe instabilities.",

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AU - Lin, C. Y.

AU - Naderi, N. A.

AU - Pochet, M.

AU - Lester, L. F.

PY - 2009/4/27

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AB - The impact of optical feedback on the direct performance of a monolithic InAs/GaAs quantum dot passively mode-locked laser intended for applications such as multigigahertz interchip/intrachip clock distribution is experimentally investigated. Evaluation of the feedback resistance is an important feature, as the laser is to be monolithically integrated on chip with other devices, in which case optical isolation is difficult. This work shows that a feedback level on the order of -24 dB is detrimental for mode-locking operation, enhancing noise in the rf electrical signal, strongly narrowing the useful mode-locking region as well as causing central frequency shift, and severe instabilities.

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DO - 10.1063/1.3114409

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JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 15

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Optical feedback instabilities in a monolithic InAs/GaAs quantum dot passively mode-locked laser

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