Electrically pumped two-dimensional Bragg grating lasers.
We demonstrate electrically pumped InGaAsP two-dimensional Bragg grating (2DBG) lasers with two line defects. The 2DBG structure uses a weak 2D index perturbation surface grating to control the optical modes in the plane of the wafer. Measurements of the 2DBG lasers show that modal control in both the longitudinal and transverse directions is due to the gratings and defects. The 2DBG lasers are promising candidates for single-mode, high power, and high efficiency large-area lasers.
Zhu
Lin
L
Department of Electrical Engineering, California Institute of Technology, 1200 East California Boulevard, Pasdena, 91125, USA. linz@caltech.edi
Choi
John M
JM
DeRose
Guy A
GA
Yariv
Amnon
A
Scherer
Axel
A