论文信息 - Unidirectional operation of quantum-dot ring lasers

Unidirectional operation of quantum-dot ring lasers

First monolithically integrated ridge-waveguide InAs/InGaAs quantum-dot ring lasers are fabricated and characterized. Enhanced by a forward biased S-section waveguide, stable traveling-wave (unidirectional) operation with record suppression ratio of counterpropagating waves approaching 30 dB is demonstrated.

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