Dispersion compensation with low polarization mode dispersion

Details Dispersion compensation with low polarization mode dispersion Dispersion compensation with low polarization mode dispersion

1997-12-19

1999-10-26

Bovernick, Rodney

Optical waveguides

Polarization without modulation

385 27, 385 37, G02B 600, G02B 634

Patent

active

059742062

ABSTRACT:
A dispersion compensator exhibiting low polarisation mode dispersion is constructed from a polarisation beam-splitter, a .pi./4 rotation Faraday rotator, and a matched pair of polarisation maintaining fibres provided with a matched pair of chirped Bragg reflection gratings. The waveguides are oriented with respect to the beam-splitter so that light reaching the waveguides from the beam-splitter via the rotator is launched into both waveguides with a polarisation state aligned with the same polarisation axis (i.e. both fast or both slow).

REFERENCES:
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patent: 5093876 (1992-03-01), Henry et al.
patent: 5404413 (1995-04-01), Delavaux et al.
patent: 5446578 (1995-08-01), Chang et al.
patent: 5828681 (1998-10-01), Epworth
"Low-loss fibre Bragg grating transmission filter based on a fibre polarisation splitter" Electronics Letters, vol. 30, No. 18, Sep. 1, 1994.
Electronics Letters Sep. 1, 1994, vol. 30 No. 18 M J Guy et al pp. 1512-1513 "Low-loss fibre Bragg grating transmission filter based on a fibre polarisation splitter".
Proceedings of First International Conference MIT, Nov. 9-11, 1981, p. 67 S Ezekiel and H J Arditty "Fiber-Optic Rotation Sensors".

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