Y-Junction-Coupled S-Section InAs/InGaAs/GaAs Quantum-Dot Ring Lasers with High Unidirectionality

Nathan Withers; Hongjun Cao; Gennady A. Smolyakov; Allen L. Gray; Luke F. Lester; Marek Osinski

Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
OSA Technical Digest Series (CD) (Optica Publishing Group, 2007),
paper CMM7

Y-Junction-Coupled S-Section InAs/InGaAs/GaAs Quantum-Dot Ring Lasers with High Unidirectionality

Nathan Withers, Hongjun Cao, Gennady A. Smolyakov, Allen L. Gray, Luke F. Lester, and Marek Osinski

Conference on Lasers and Electro-Optics 2007

Baltimore, Maryland United States
6–11 May 2007
ISBN: 1557528349

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Semiconductor Quantum Dot Lasers II (CMM)

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N. Withers, H. Cao, G. A. Smolyakov, A. L. Gray, L. F. Lester, and M. Osinski, "Y-Junction-Coupled S-Section InAs/InGaAs/GaAs Quantum-Dot Ring Lasers with High Unidirectionality," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest Series (CD) (Optica Publishing Group, 2007), paper CMM7.

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Abstract

Fabrication and characterization of Y-junction-coupled S-section InAs/InGaAs/GaAs quantum dot ring lasers with high unidirectionality is reported. The new design suppresses the unwanted counterpropagating modes more effectively than in the previous S-section-racetrack design.

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