Articles

Design and fabrication of circular grating coupled distributed Bragg reflector lasers

[+] Author Affiliations
Mahmoud Fallahi, Keith J. Kasunic, Scott Penner, O. Nordman, Nasser Peyghambarian

University of Arizona, Optical Sciences Center, 1630 E. University, Tucson, Arizona?85721 fallahi@opt-sci.arizona.edu

Opt. Eng. 37(4), 1169-1174 (Apr 01, 1998). doi:10.1117/1.601951
History: Received Aug. 24, 1997; Revised Oct. 28, 1997; Accepted Oct. 28, 1997
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Abstract

The design and fabrication of circular grating surface emitting lasers are presented. The influence of device parameters on the mode selection is described. The fabrication of an InGaAs/GaAs circular grating distributed Bragg reflector (DBR) laser is presented. Significant improvement is obtained by using a quantum-well structure with a multistack and an etch-stop layer. A threshold current as low as 15 mA and an output power in excess of 170 mW without saturation are obtained. The potential of circular grating DBR laser arrays for multiwavelength operation is demonstrated. © 1998 Society of Photo-Optical Instrumentation Engineers.

© 1998 Society of Photo-Optical Instrumentation Engineers

Citation

Mahmoud Fallahi ; Keith J. Kasunic ; Scott Penner ; O. Nordman and Nasser Peyghambarian
"Design and fabrication of circular grating coupled distributed Bragg reflector lasers", Opt. Eng. 37(4), 1169-1174 (Apr 01, 1998). ; http://dx.doi.org/10.1117/1.601951


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