Polarization scrambler and integrated optical circuit making use

Details Polarization scrambler and integrated optical circuit making use Polarization scrambler and integrated optical circuit making use

1997-08-29

1999-06-08

Ngo, Hung N.

Optical waveguides

Temporal optical modulation within an optical waveguide

Electro-optic

385 8, 385 9, G02B 610

Patent

active

059110163

ABSTRACT:
A signal light incident onto a first splitter of a polarization scrambler is split into two and propagated through a first and second optical paths, whereby phases of the signal lights are varied in accordance with a voltage applied by first voltage supplier. Further, a polarization of the signal light propagated through at least one of the first and second optical paths is rotated for adjusting a relative polarization angle between the signal lights by first plane-of-polarization rotator. The signal lights having passed through the optical paths are combined by first coupler so that a polarization condition of the incident signal light is scrambled and output. Polarization dispersion is allowed to occur only after the signal light has passed through the plane-of-polarization rotator.

REFERENCES:
patent: 5748358 (1998-05-01), Sugamata et al.
patent: 5787211 (1998-07-01), Gopalakrishnan

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