Polarization-Insensitive Semiconductor Optical Preamplifier At 1.55 Mu-M
ELECTRONICS LETTERS(1992)
Abstract
A high-performance polarisation-independent semiconductor optical amplifier is demonstrated as a preamplifier yielding a sensitivity of -36.5 dBm at 2.5 Gbit/s, measured in the input optical fibre. A polarisation penalty of approximately 0.5 dB is observed. AM crosstalk has been investigated, and the measured penalties suggest simultaneous reception of approximately 12 WDM channels with a penalty of 1 dB.
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Key words
OPTICAL AMPLIFIERS, SEMICONDUCTOR DEVICES AND MATERIALS
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