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Theory and observation on non-linear effects limiting the coherence properties of high-Q hybrid Si/III-V lasers

Vilenchik, Yaakov and Santis, Christos T. and Steger, Scott T. and Satyan, Naresh and Yariv, Amnon (2015) Theory and observation on non-linear effects limiting the coherence properties of high-Q hybrid Si/III-V lasers. In: Novel In-Plane Semiconductor Lasers XIV. Proceedings of SPIE. No.9382. Society of Photo-Optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 93820N. ISBN 978-1-62841-472-1. http://resolver.caltech.edu/CaltechAUTHORS:20150603-130137484

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Abstract

Hybrid Si/III-V is a promising platform for semiconductor narrow-linewidth lasers, since light can be efficiently stored in low loss silicon and amplified in III-V materials. The introduction of a high-Q cavity in silicon as an integral part of the laser's resonator leads to major reduction of the laser linewidth. However, the large intra-cavity field intensity resulting from the high-Q operation gives rise to non-linear effects. We present a theoretical model based on non-linear rate equations to study the effect of two-photon absorption and induced free-carrier absorption in silicon on the laser's performance. The predictions from this model are compared to the experimental results obtained from narrow-linewidth lasers fabricated by us. It is shown to have an effect on the linearity of the L-I curve, and to reduce the achievable Schawlow- Townes linewidth.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1117/12.2078067 DOIArticle
http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=2202418PublisherArticle
Additional Information:© 2015 SPIE. This work was supported in part by the Defense Advanced Research Projects Agency and the Army Research Office. The authors would like to thank the Kavli Nanoscience Institute at the California Institute of Technology for providing technical and fabrication infrastructure.
Group:Kavli Nanoscience Institute
Funders:
Funding AgencyGrant Number
Defense Advanced Research Projects Agency (DARPA)UNSPECIFIED
Army Research Office (ARO)UNSPECIFIED
Subject Keywords:Two-photon absorption; TPA; Free-carrier absorption; FCA; Hybrid Si/III-V; Semiconductor lasers; Narrow linewidth lasers
Record Number:CaltechAUTHORS:20150603-130137484
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20150603-130137484
Official Citation:Yaakov Vilenchik ; Christos T. Santis ; Scott T. Steger ; Naresh Satyan ; Amnon Yariv; Theory and observation on non-linear effects limiting the coherence properties of high-Q hybrid Si/III-V lasers. Proc. SPIE 9382, Novel In-Plane Semiconductor Lasers XIV, 93820N (March 10, 2015); doi:10.1117/12.2078067
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:57985
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:03 Jun 2015 20:21
Last Modified:03 Jun 2015 20:21

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