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High-order azimuthal spatial modes of concentric-circle-grating surface-emitting semiconductor lasers

 

作者: Craig Olson,   Pamela L. Greene,   Gary W. Wicks,   Dennis G. Hall,   Steve Rishton,  

 

期刊: Applied Physics Letters  (AIP Available online 1998)
卷期: Volume 72, issue 11  

页码: 1284-1286

 

ISSN:0003-6951

 

年代: 1998

 

DOI:10.1063/1.121051

 

出版商: AIP

 

数据来源: AIP

 

摘要:

We report the emission properties of concentric-circle-grating, surface-emitting (CCGSE), distributed-feedback semiconductor lasers oscillating in single high-order azimuthal spatial modes. The evolution of the spatial profile of the beam emitted by such lasers with increasing excitation depends upon the spatial gain distribution and the depth of the circular waveguide grating. The polarization of the high-order spatial modes is predominantly radial. ©1998 American Institute of Physics.

 

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