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Conference Paper
Conference on Lasers and Electro-Optics
Baltimore, Maryland United States
May 22, 2005
ISBN: 1-55752-770-9
Novel Quantum Dot Structures (CThO)

Unidirectional Operation of Quantum-Dot Ring Lasers

Hongjun Cao, Hui Deng, Hai Ling, Chiyu Liu, Vladimir A. Smagley, Robert B. Caldwell, Gennady A. Smolyakov, Allen L. Gray, Luke F. Lester, Petr G. Eliseev, and Marek Osinski

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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.

© 2005 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3560) Lasers and laser optics : Lasers, ring
(140.5960) Lasers and laser optics : Semiconductor lasers

H. Cao, H. Deng, H. Ling, C. Liu, V. A. Smagley, R. B. Caldwell, G. A. Smolyakov, A. L. Gray, L. F. Lester, P. G. Eliseev, and M. Osinski, "Unidirectional Operation of Quantum-Dot Ring Lasers," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper CThO2.

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