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A 2.5Gbit/s direct detection preamplifier receiver with a sensitivity of – 43dBm at 1552nm is presented. The receiver has potential use in densely spaced multichannel systems because it allows a channel spacing of 30 GHz for a penalty less than 1 dB.
Inspec keywords: receivers; frequency division multiplexing; fibre lasers; optical communication equipment; preamplifiers
Other keywords:
Subjects: Optical communication devices, equipment and systems; Integrated switching and transmission systems; Optical communication; Solid lasers; Fibre lasers and amplifiers