Due to extremely high gain of semiconductor lasers, single pass light amplification can be realized by simply eliminating the Fabry-Perot cavity of a high gain laser diode using antireflection coatings. The resulting diode (Super Radiant Diode) has very low noise, high output power and a very broad spectrum. It also retains the low divergence of the light output of a laser diode. Thus, large amounts of light can be coupled into either multimode or single mode fibers. Applications of this diode in fiber optic sensors and fiber optic communications have shown dramatic performance improvement.
Broad Band Super Radiant Diode
Fiber Optic and Laser Sensors I ; 1983 ; Arlington,United States
Proc. SPIE ; 0412
1983-09-19
Conference paper
Electronic Resource
English
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