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Demonstration of a grating‐surface‐emitting diode laser with low‐threshold current density

 

作者: N. W. Carlson,   G. A. Evans,   D. P. Bour,   S. K. Liew,  

 

期刊: Applied Physics Letters  (AIP Available online 1990)
卷期: Volume 56, issue 1  

页码: 16-18

 

ISSN:0003-6951

 

年代: 1990

 

DOI:10.1063/1.102649

 

出版商: AIP

 

数据来源: AIP

 

摘要:

This letter reports the demonstration of grating‐surface‐emitting (GSE) lasers with threshold current densities as low as 440 A/cm2. When the distributed‐Bragg‐reflector sections were cleaved from these lasers, the resulting edge‐emitting lasers had threshold current densities that were essentially unchanged from that of the GSE laser. However, the operating wavelength of the Fabry–Perot laser was typically 70 A˚ shorter than that of the surface emitter.

 

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