Optical communications – Transmitter – Including compensation
Reexamination Certificate
2006-11-21
2006-11-21
Bello, Agustin (Department: 2613)
Optical communications
Transmitter
Including compensation
C398S200000, C398S197000
Reexamination Certificate
active
07139491
ABSTRACT:
Extremely advanced technology for scrambling an optical signal based on quantum mechanical fluctuation is used to provide a highly reliable optical communication method which can invalidate illicit activities such as wire-tapping, a system, and a laser oscillator which is used in the method and system. A transmitter side generates laser light, simultaneously oscillated at a plurality of wavelengths, the total number of generated photons being constant, and transmits a signal light comprising data which has been added to the light of the plurality of wavelengths; and at a receiving side, light, simultaneously oscillated at the plurality of wavelengths, is selected from the signal light, and the data is demodulated.
Hashimoto Etsu
Katagiri Yoshitada
Suzuki Ken'ichi
Bello Agustin
Darby & Darby
Nippon Telegraph and Telephone Corporation
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