Colorless tunable dispersion compensator employing a planar...

Details Colorless tunable dispersion compensator employing a planar... Colorless tunable dispersion compensator employing a planar...

2007-02-06

2007-02-06

Bovernick, Rodney (Department: 2874)

Optical waveguides

Integrated optical circuit

C385S027000

Reexamination Certificate

active

11073009

ABSTRACT:
A colorless, waveguide-grating-router-based tunable dispersion compensator includes a planar lightwave circuit and a deformable mirror, optically coupled to each other by a plano-cylindrical glass lens such that a fast tuning speed and single-knob dispersion adjustment are obtained. In a further aspect of the present invention, the waveguide-grating router is pinched, symmetrical about its center line, and has a half-wave plate inserted therein to provide polarization independence. In a still further aspect of the present invention, the deformable mirror includes, reflective film attached to opposing piezo-electric actuators.

REFERENCES:
patent: 2003/0021046 (2003-01-01), Cao et al.
patent: 2004/0151432 (2004-08-01), Tabuchi et al.
patent: 2005/0063076 (2005-03-01), Shimazu et al.
patent: 1 445631 (2004-08-01), None
patent: WO 02/101442 (2002-12-01), None
H. Ooi et al. 40-Gb/s WDM transmission with virtually imaged phased array (VIPA) variable dispersion compensators. Journal of Lightwave Technology, vol. 20 No. 12, pp. 2196-2203, Dec. 2002.
D. Marom et al. Compact colorless tunable dispersion compensator with 1000-ps
m tuning range for 40-Gb/s data rates. Journal of Lightwave Technology, vol. 24 No. 1, pp. 237-241, Jan. 2006.

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