Multi-channel fabry-perot laser transmitters and methods of generating multiple modulated optical signals
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United States of America Patent
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Jun 29, 2010
Grant Date -
Mar 9, 2006
app pub date -
Sep 8, 2004
filing date -
Sep 8, 2004
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Expired
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Abstract
Multi-channel Fabry-Perot laser transmitters and methods of generating multiple modulated optical signals are described. In one aspect, an optical transmitter includes a Fabry-Perot (FP) laser, an optical isolator, an optical splitter, and multiple electroabsorption modulators (EAMs). The FP laser is operable to generate multimode laser light. The optical isolator is arranged to transmit the multimode laser light. The optical splitter has more than one optical output and an optical input that is arranged to receive the multimode laser light transmitted by the optical isolator. Each of the EAMs is operable to modulate a respective laser light output from a respective optical output of the optical splitter. In another aspect, multimode laser light is generated. The multimode laser light is directionally isolated. The directionally-isolated multimode laser light is divided into more than one divided laser light output. Each of the divided laser light outputs is modulated to produce multiple modulated optical signals.
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