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Large‐ and small‐signal gain characteristics of 1.5 &mgr;m multiple quantum well optical amplifiers

 

作者: G. Eisenstein,   U. Koren,   G. Raybon,   T. L. Koch,   J. M. Wiesenfeld,   M. Wegener,   R. S. Tucker,   B. I. Miller,  

 

期刊: Applied Physics Letters  （AIP Available online 1990）
卷期: Volume 56, issue 13  

页码: 1201-1203

 

ISSN:0003-6951

 

年代: 1990

 

DOI:10.1063/1.102559

 

出版商: AIP

 

数据来源: AIP

 

摘要:

We report large‐ and small‐signal gain characteristics of 1.5 &mgr;m multiple quantum well optical amplifiers. We demonstrate a 350‐&mgr;m‐long amplifier with a peak gain of 15 dB. At a wavelength where the small‐signal gain is 13.5 dB, the 3 dB saturation output power is as large as 45 mW. The 3 dB saturation output energy is 5.1 pJ and the calculated gain recovery time is 57 ps. We also demonstrate a 625‐&mgr;m‐long device with a gain of 19 dB and a saturation output power of 42 mW.

 

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