Dual-Mode Laser/Detector Diode

Jung H. Park; Shekhar Wadekar; Robert G. Hunsperger

doi:10.1117/12.942367

10 March 1988 Dual-Mode Laser/Detector Diode

Jung H. Park, Shekhar Wadekar, Robert G. Hunsperger

Proceedings Volume 0835, Integrated Optical Circuit Engineering V; (1988) https://doi.org/10.1117/12.942367
Event: Cambridge Symposium on Fiber Optics and Integrated Optoelectronics, 1987, Cambridge, MA, United States

Abstract

A new monolithic dual-mode laser/detector diode which functions both as a laser and a photodetector is described. A laser threshold current of 0.52A was obtained under pulsed operation in broad-area laser/detector diodes (120μm x 350μm) with differential quantum efficiencies of about 30.9%. In the detector mode at the operating wavelength of 905nm, responsivity as high as 0.43A/W was obtained with a reverse bias of 8.0V. Using dual-mode diodes instead of separate lasers and detectors would simplify monolithic integration of optoelectronic circuits.

Citation Download Citation

Jung H. Park, Shekhar Wadekar, and Robert G. Hunsperger "Dual-Mode Laser/Detector Diode", Proc. SPIE 0835, Integrated Optical Circuit Engineering V, (10 March 1988); https://doi.org/10.1117/12.942367

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