Method and apparatus for polarization control with photonic...

Details Method and apparatus for polarization control with photonic... Method and apparatus for polarization control with photonic...

2006-07-04

2006-07-04

Dong, Hung Xuan (Department: 2873)

Optical: systems and elements

Optical modulator

Having particular chemical composition or structure

C385S122000

Reexamination Certificate

active

07072098

ABSTRACT:
An optical apparatus and method are provided for controlling the polarization of light. An incoming beam is directed at a photonic crystal. The photonic crystal is designed to act as a transmission quarter-waveplate or half-waveplate; as a reflection waveplate; or as a polarizer. In addition, the photonic crystal may be designed to accomplish phase matching in nonlinear optical mixing processes, as well as obtaining other selected effects upon incoming beams having known polarizations.

REFERENCES:
patent: 5838702 (1998-11-01), Byer et al.
patent: 6710912 (2004-03-01), Filkins et al.
patent: 2001/0012149 (2001-08-01), Lin et al.

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