Design and fabrication of circular grating coupled distributed Bragg reflector lasers

Mahmoud Fallahi; Keith J. Kasunic; R. Scott Penner; O. Nordham; Nasser Peyghambarian

doi:10.1117/1.601951

1 April 1998 Design and fabrication of circular grating coupled distributed Bragg reflector lasers

Mahmoud Fallahi, Keith J. Kasunic, R. Scott Penner, O. Nordham, Nasser Peyghambarian

Optical Engineering, Vol. 37, Issue 4, (April 1998). https://doi.org/10.1117/1.601951

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.

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Mahmoud Fallahi, Keith J. Kasunic, R. Scott Penner, O. Nordham, and Nasser Peyghambarian "Design and fabrication of circular grating coupled distributed Bragg reflector lasers," Optical Engineering 37(4), (1 April 1998). https://doi.org/10.1117/1.601951

Published: 1 April 1998

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