Optical: systems and elements – Optical frequency converter
Patent
1998-01-23
2000-10-31
Lee, John D.
Optical: systems and elements
Optical frequency converter
G02F 202
Patent
active
061411418
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.
REFERENCES:
patent: 4904038 (1990-02-01), Chang
patent: 5022732 (1991-06-01), Engan et al.
patent: 5265112 (1993-11-01), Noll et al.
patent: 5734493 (1998-03-01), Jopson
patent: 6008931 (1999-12-01), Von Helmolt et al.
patent: 6034760 (2000-03-01), Rees
Lee John D.
Marconi Communications Limited
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