| 摘要 |
PCT No. PCT/GB97/01352 Sec. 371 Date Mar. 6, 1998 Sec. 102(e) Date Mar. 6, 1998 PCT Filed May 16, 1997 PCT Pub. No. WO97/44929 PCT Pub. Date Nov. 27, 1997An optical synchronization circuit includes a non-linear optical modulator (NOM). The signal to be synchronized and a reference signal interact within the NOM. Cross-phase modulation produces a spectral shift. The output from the NOM is filtered to produced an error signal.
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