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Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1993),
  • paper CWA6

1.55-μm MQW semiconductor-optical amplifier with low-gain ripple and high coupling efficiency for photonic circuit integration

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Abstract

Semiconductor optical amplifiers (SOAs) will likely be used in future optical communications systems. For many applications an ideal travelling-wave amplifier, with negligible gain ripple arising from Fabry-Perot resonances, is desired. This requires very low modal reflectivities. For discrete SOA chips, facet reflectivities near 1 × 10-1 have been obtained using precision anti reflection coatings, angled waveguides, flared-output waveguides, window structures,1 and combinations of these.2

© 1993 Optical Society of America

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