Traverse Bragg resonance lasers and amplifiers and method of...

Details Traverse Bragg resonance lasers and amplifiers and method of... Traverse Bragg resonance lasers and amplifiers and method of...

2005-08-23

2005-08-23

Lee, John D. (Department: 2874)

Optical waveguides

Directional optical modulation within an optical waveguide

Electro-optic

C385S037000, C385S129000, C372S044010, C372S050121, C359S344000

Reexamination Certificate

active

06934425

ABSTRACT:
A transverse Bragg resonance waveguide is comprised of a waveguiding channel, and on at least two opposing sides of the channel two periodic index media; and a means for providing gain in the periodic index media. In one embodiment the waveguiding channel is planar and is sandwiched on two opposing sides by the periodic index media. In another embodiment the waveguiding channel is cylindrical and is surrounded by the periodic index media. The means for providing gain in the periodic index media is electrical or optical pumping. The periodic index media comprises a periodic lattice of regions having an index of refraction distinct from the channel, such as an array of transverse holes defined in a planar semiconductor substrate in which the channel is also defined, or an array of longitudinal holes defined in a cylindrical semiconductor fiber in which the channel is also longitudinally defined.

REFERENCES:
patent: 4880752 (1989-11-01), Keck et al.
patent: 5572328 (1996-11-01), Fouckhardt et al.
patent: 5703899 (1997-12-01), Mizutani
patent: 6061381 (2000-05-01), Adams et al.
patent: 6201825 (2001-03-01), Sakurai et al.

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