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Grating‐surface‐emitting lasers in a ring configuration

 

作者: D. J. Bossert,   R. K. DeFreez,   H. Ximen,   R. A. Elliott,   J. M. Hunt,   G. A. Wilson,   J. Orloff,   G. A. Evans,   N. W. Carlson,   M. Lurie,   J. M. Hammer,   D. P. Bour,   S. L. Palfrey,   R. Amantea,  

 

期刊: Applied Physics Letters  （AIP Available online 1990）
卷期: Volume 56, issue 21  

页码: 2068-2070

 

ISSN:0003-6951

 

年代: 1990

 

DOI:10.1063/1.102974

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A monolithic grating‐surface‐emitting ring laser has been fabricated and its spectral properties and far‐field radiation pattern studied. The ring laser was configured from two columns of two‐dimensional grating‐surface‐emitting diode laser arrays. The columns were optically linked at each end with total‐internal‐reflection corner turning mirrors formed by micromachining grooves in the wafer with a focused ion beam. Single longitudinal mode operation with a high degree of spatial coherence between the two columns and a narrowing of the lateral far‐field pattern were observed.

 

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