Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1998-02-17
2000-12-12
Pascal, Leslie
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359174, 359176, 359177, H04B 1000, H04B 1012, H04B 1016, H04B 1018
Patent
active
061606502
ABSTRACT:
In a wavelength-division multiplex fiber optic soliton signal transmission system the wavelengths of the multiplex are chosen to assure a relative slippage between the channels at a given interval substantially equal to a multiple of the bit time. At one point of the transmission system at least, the soliton pulses of the various channels have a temporal offset relative to a given reference such that, on distributed optical modulation by a clock that is input at this point, for each channel, the extremum of the non-linear phase profile induced by the clock, integrated over the modulation length, coincides with the center of the bit time. In a system of this kind distributed optical modulation can be applied to all the channels of the multiplex by a single sinusoidal signal. The modulation can be effected in a non-linear optical loop mirror or in the transmission fiber itself.
REFERENCES:
patent: 5786918 (1998-07-01), Suzuki et al.
patent: 5801862 (1998-09-01), Desurvire et al.
patent: 5857040 (1999-01-01), Bigo
patent: 5911015 (1999-06-01), Bigo
Bigo Sebastien
Leclerc Olivier
Alcatel
Bello Agustin
Pascal Leslie
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