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Conferences > CLEO_Europe > 2011 > CB4 > CB4_2
  • CLEO/Europe and EQEC 2011 Conference Digest
  • OSA Technical Digest (CD) (Optica Publishing Group, 2011),
  • paper CB4_2

Quantum Cascade Ring Lasers: Unidirectional Operation and Coupled Ring Tuning

C.C. Nshii, C. N. Ironside, M. Sorel, T. J. Slight, S.Y. Zhang, D. G. Revin, and J. W. Cockburn

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Abstract

Quantum cascade lasers (QCLs) are semiconductor lasers based on intersubband transitions in quantum wells [1]. Semiconductor lasers in ring format do not need cleaved facets or gratings to achieve optical feedback required for lasing and could support either bidirectional or unidirectional operation[2].

© 2011 Optical Society of America

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