Optical single-sideband modulated signal generator

Details Optical single-sideband modulated signal generator Optical single-sideband modulated signal generator

2006-04-11

2006-04-11

Chan, Jason (Department: 2633)

Optical communications

Transmitter

Having particular modulation

C398S186000, C398S188000

Reexamination Certificate

active

07027742

ABSTRACT:
An optical single-sideband modulated signal generator, comprising optical modulation means for amplitude-modulating an optical carrier by an electric modulation signal to obtain an optical double-sideband modulated signal, and optical signal sideband suppressor means for suppressing either one of the sidebands of the optical double-sideband modulated signal to derive therefrom an optical single-sideband modulated signal. The optical modulation means provides, respectively, first optical double-sideband modulated signal and second optical double-sideband modulated signal on branched optical waveguide paths, which have at least one optical carrier phase-shifter for establishing a relative phase difference of 90° between baseband signal components at the branched optical waveguide paths and at least one delay means for compensation for a relative delay difference between the baseband signal components at the branched optical waveguide paths.

REFERENCES:
patent: 5745273 (1998-04-01), Jopson
patent: 6525857 (2003-02-01), Way et al.

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