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Thermal-induced refractive-index planar waveguide laser

Appl. Phys. Lett. 95, 181102 (2009); doi:10.1063/1.3258068

Published 2 November 2009

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Hongxiang Kang (康宏向),1,2 Haitao Zhang (张海涛),2 and Dongsheng Wang (王东生)2
1Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, People's Republic of China
2Department of Precision Instruments, Center for Photonics and Electronics, State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, People's Republic of China
The feasibility of a thermal-induced refractive-index planar waveguide laser was demonstrated. The condition for the guided modes to be confined in the gain region was calculated. A thermal-induced refractive-index planar waveguide laser was made simply by pumping a thin center layer of a slab crystal and its modes can be controlled by the thermal input unit area and the pumped region width. An output power of 23.1 W with an optical to optical conversion efficiency of 46% was obtained. A thermal-induced refractive-index planar waveguide laser is very promising for efficient and bright laser sources due to its simple waveguide structure. ©2009 American Institute of Physics
History: Received 2 May 2009; accepted 12 October 2009; published 2 November 2009
Permalink: http://link.aip.org/link/?APPLAB/95/181102/1
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KEYWORDS and PACS

Keywords
PACS
  • 42.55.Rz
    Doped-insulator lasers and other solid state lasers
  • 42.72.-g
    Optical sources and standards
  • 42.82.Et
    Optical waveguides, couplers, and arrays (integrated optics)
  • YEAR: 2009

PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
Publisher:
AIP is a member of CrossRef AIP

REFERENCES (16)
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