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Highly collimated broadside emission from room‐temperature GaAs distributed Bragg reflector lasers

 

作者: W. Ng,   A. Yariv,  

 

期刊: Applied Physics Letters  (AIP Available online 1977)
卷期: Volume 31, issue 9  

页码: 613-615

 

ISSN:0003-6951

 

年代: 1977

 

DOI:10.1063/1.89800

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Highly collimated laser beams have been observed to be coupled out by second‐order Bragg scattering from GaAs distributed Bragg reflector lasers. The beams are perpendicular to the waveguide plane and have an angular width of less than 1°. The diodes have a separate confinement structure and operate at room temperature with thresholds as low as 1.4 kA/cm2.

 

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