Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1996-11-27
1998-04-28
Negash, Kinfe-Michael
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359156, 359245, 375301, 455109, 332170, H04B 1004
Patent
active
057452733
ABSTRACT:
A single sideband modulator circuit for modulating an optical signal with an RF signal to provide a frequency shift to the optical signal. The modulator circuit utilizes a dual path modulator having an electrical terminal and two optical terminals. An RF signal is provided to the electrical terminal and an optical signal is provided to each optical terminal so that the optical signal input to one terminal travels in the direction of the RF signal to produce an output optical signal having a carrier band and a single sideband, and the optical signal input to the other optical terminal travels in the opposite direction of the RF signal to produce an output having only a carrier band. A coupler adds the resulting optical output signals so that the carrier bands are cancelled, leaving only the sideband.
REFERENCES:
patent: 5526162 (1996-06-01), Bergano
Yonenaga et al; "A Fiber Chromatic Dispersion Compenstion Technique With an Optical SSB Transmission in Optical Homodyne Detection Systems", IEEE Photonic Technology Letters, vol. 5, No. 8, Aug. 1993. pp. 949-951.
Lucent Technologies - Inc.
Negash Kinfe-Michael
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