Multiwavelength super-structured Bragg grating laser for tunable repetition rate mode-locked operation

Simard, Alexandre D. and Strain, Michael J. and Pusino, Vincenzo and Sorel, Marc and LaRochelle, Sophie (2014) Multiwavelength super-structured Bragg grating laser for tunable repetition rate mode-locked operation. Optics Express, 22 (14). pp. 17050-17062. ISSN 1094-4087

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Abstract

A multiwavelength laser based on a super-structured Bragg grating is designed and fabricated on multiquantum well AlGaInAs-InP. This laser exhibits phase locking via mutual injection of the neighboring cavities assisted by four wave mixing. We present optical and electrical characterization of its emission regimes showing a complex dynamic behavior. More specifically, this paper focuses on a pulsed regime with a quasi-continuous tunable repetition rate from 32 GHz to 49 GHz.