Abstract
As the technology of optical-fiber communication systems progresses into the long-wavelength region and Gbit/sec data range, the design of the optical receivers is more involved and requires more attention. The performance of an optical receiver depends on both the photodetector and the following preamplifier. A good photodiode alleviates the requirements on the amplifier and vice versa. In the long-wavelength region, photodiodes have yet to achieve the excellent performance of Si avalanche devices at short wavelength. As a result, the preamplifier design becomes very critical. Depending on the system design goals, a compromise between several conflicting requirements is necessary to achieve the optimum performance.
© 1983 Optical Society of America
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