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Multi-beam multi-wavelength semiconductor lasers

Appl. Phys. Lett. 95, 161108 (2009); doi:10.1063/1.3253713

Published 23 October 2009

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Nanfang Yu,1 Mikhail A. Kats,1 Christian Pflügl,1 Markus Geiser,1 Qi Jie Wang,1 Mikhail A. Belkin,1 Federico Capasso,1 Milan Fischer,2 Andreas Wittmann,2 Jérôme Faist,2 Tadataka Edamura,3 Shinichi Furuta,3 Masamichi Yamanishi,3 and Hirofumi Kan3
1School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, USA
2Institute of Quantum Electronics, ETH Zürich, CH-8093 Zürich, Switzerland
3Central Research Laboratory, Hamamatsu Photonics K.K., Hamamatsu 434-8601, Japan
Multibeam emission and spatial wavelength demultiplexing in semiconductor lasers by patterning their facets with plasmonic structures is reported. Specifically, a single-wavelength laser was made to emit beams in two directions by defining on its facet two metallic gratings with different periods. The output of a dual-color laser was spatially separated according to wavelength by using a single metallic grating. The designs can be integrated with a broad range of active or passive optical components for applications such as interferometry and demultiplexing. ©2009 American Institute of Physics
History: Received 15 July 2009; accepted 2 October 2009; published 23 October 2009; publisher error corrected 28 October 2009
Permalink: http://link.aip.org/link/?APPLAB/95/161108/1
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KEYWORDS and PACS

Keywords
PACS
  • 42.55.Px
    Semiconductor lasers; laser diodes
  • 42.60.Jf
    Laser beam characteristics
  • 42.79.Sz
    Optical communication systems, multiplexers, and demultiplexers
  • 42.82.-m
    Integrated optics
  • 42.79.Dj
    Gratings
  • YEAR: 2009

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PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
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REFERENCES (19)
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