Single sideband modulators
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United States of America Patent
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Oct 31, 2000
Grant Date -
N/A
app pub date -
Jan 23, 1998
filing date -
Jan 24, 1997
priority date (Note) -
Expired
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Abstract
An optical reference frequency generator comprises a plurality of Single Sideband Optical Frequency Shifters (SSB-OFS) wherein the SSB-OFSs are connected in pairs, each pair having a common optical frequency input and an optical shift frequency input arranged so that the output from one SSB-OFS of each pair has a positive frequency shift and the output from the other SSB-OFS has a negative frequency shift.
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