Intra-cavity coherent combining of DBR lasers on an InP generic foundry platform

Rakesh Ranjan Kumar; Lars Nielsen; Nicolas Volet; Martijn Heck

doi:10.1364/OL.483889

Intra-cavity coherent combining of DBR lasers on an InP generic foundry platform

Rakesh Ranjan Kumar^*, Lars Nielsen, Nicolas Volet, Martijn Heck

^*Corresponding author for this work

Department of Electrical and Computer Engineering - Biomedical Engineering

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

2 Citations (Scopus)

Abstract

We report an intra-cavity coherent combining of two distributed Bragg reflector (DBR) lasers with a combining efficiency of ∼84% on an InP generic foundry platform. The on-chip power of the intra-cavity combined DBR lasers is ∼9.5 mW at the injection current of 42 mA in both gain sections simultaneously. The combined DBR laser operates in a single-mode regime with a side-mode suppression ratio of 38 dB. This monolithic approach paves the way toward high-power and compact lasers, which is useful in scaling integrated photonic technologies.

Original language	English
Journal	Optics Letters
Volume	48
Issue	7
Pages (from-to)	1614-1617
Number of pages	4
ISSN	0146-9592
DOIs	https://doi.org/10.1364/OL.483889
Publication status	Published - Apr 2023

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title = "Intra-cavity coherent combining of DBR lasers on an InP generic foundry platform",

abstract = "We report an intra-cavity coherent combining of two distributed Bragg reflector (DBR) lasers with a combining efficiency of ∼84% on an InP generic foundry platform. The on-chip power of the intra-cavity combined DBR lasers is ∼9.5 mW at the injection current of 42 mA in both gain sections simultaneously. The combined DBR laser operates in a single-mode regime with a side-mode suppression ratio of 38 dB. This monolithic approach paves the way toward high-power and compact lasers, which is useful in scaling integrated photonic technologies.",

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AU - Heck, Martijn

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N2 - We report an intra-cavity coherent combining of two distributed Bragg reflector (DBR) lasers with a combining efficiency of ∼84% on an InP generic foundry platform. The on-chip power of the intra-cavity combined DBR lasers is ∼9.5 mW at the injection current of 42 mA in both gain sections simultaneously. The combined DBR laser operates in a single-mode regime with a side-mode suppression ratio of 38 dB. This monolithic approach paves the way toward high-power and compact lasers, which is useful in scaling integrated photonic technologies.

AB - We report an intra-cavity coherent combining of two distributed Bragg reflector (DBR) lasers with a combining efficiency of ∼84% on an InP generic foundry platform. The on-chip power of the intra-cavity combined DBR lasers is ∼9.5 mW at the injection current of 42 mA in both gain sections simultaneously. The combined DBR laser operates in a single-mode regime with a side-mode suppression ratio of 38 dB. This monolithic approach paves the way toward high-power and compact lasers, which is useful in scaling integrated photonic technologies.

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Intra-cavity coherent combining of DBR lasers on an InP generic foundry platform

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