Abstract
There have been a surge of research activities since the surface emitting lases (SEL) was demonstrated by the group lead by Professors Suematsu and Iga at the Tokyo Institute of Technology in 1979. Most works have focused on the single frequency aspect of the SEL due to its short cavity. However at Hewlett-Packard, the promise of the SEL is seen to be in the area of multimode optical fiber system where as the speed of light emitting diodes (LED) starts to bottom out at the hundreds of megahertz range, the SEL can easily be modulated in the multi gigahertz range. For the SEL to function as the source in a multimode system, it is necessary for the spectral width of the laser to be a few angstroms wide to minimize noise due to mode selective loss (MSL).
© 1995 Optical Society of America
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