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.
Unidirectional operation of quantum-dot ring lasers
(CLEO). Conference on Lasers and Electro-Optics, 2005. ; 3 ; 1793-1795 Vol. 3
2005-01-01
1421642 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Unidirectional Operation of Quantum-Dot Ring Lasers
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