Optical communications – Multiplex – Wavelength division or frequency division
Reexamination Certificate
2005-05-03
2005-05-03
Chan, Jason (Department: 2633)
Optical communications
Multiplex
Wavelength division or frequency division
C398S079000, C398S183000
Reexamination Certificate
active
06889008
ABSTRACT:
A two-optical signal generator is provided for generating two optical signals, where a difference between optical frequencies or optical wavelength of the two optical signals can be adjusted. A first optical modulator modulates a single-mode optical signal generated by a first light source according to an inputted signal, and outputs a modulated optical signal including predetermined specific two optical signals having a predetermined optical frequency difference, while a second light source generates a multi-mode optical signal including predetermined two further optical signals having substantially the same wavelengths as those of the predetermined specific two optical signals of the modulated optical signal, respectively. Then an optical injection device optically injects the modulated optical signal into the second light source, and the predetermined specific two optical signals of the modulated optical signal are injection-locked into the predetermined two further optical signals of the multi-mode optical signal, so that the second light source generates an injection-locked predetermined specific two optical signals.
REFERENCES:
patent: 5379309 (1995-01-01), Logan, Jr.
patent: 6559986 (2003-05-01), Sauer et al.
Braun et al., Optical Millimetre-Wave Generation and Transmission Experiments for Mobile 60 GHz Band Communications,Electronics Letters, vol. 32, No. 7, pp. 626-628, Mar. 28, 1996.
George et al., Further Observations on the Optical Generation of Millimetre-Wave Signals by Master/Slave Laser Sideband Injection Locking,.
Ahmed et al., Low Phase Noise Millimetre-Wave Signal Generation Using a Passively Modelocked Monolithic DBR Laser Injection Locked by an Optical DSBSC Signal,.,Electronics Letters, vol. 31, No. 15, pp. 1254-1255, Jul. 20, 1995.
Noël et al., Novel Techniques for High-Capacity 60-GHz Fiber-Radio Transmission Systems,IEEE Transactions on Microwave Theory and Techniques, vol. 45, No. 8, pp. 1416-1423, Aug. 1997.
Braun et al., Low-Phase-Noise Millimeter-Wave Generation at 64 GHz and Data Transmission Using Optical Sideband Injection Locking,IEEE Photonics Technology Letters, vol. 10, No. 5, pp. 728-730, May 1998.
Birch & Stewart Kolasch & Birch, LLP
Chan Jason
Matsushita Electric - Industrial Co., Ltd.
Singh Dalzid
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