Non-linear increase in photosensitivity of photorefractive...

Details Non-linear increase in photosensitivity of photorefractive... Non-linear increase in photosensitivity of photorefractive...

2005-05-17

2005-05-17

Dang, Hung Xuan (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S245000

Reexamination Certificate

active

06894820

ABSTRACT:
A method of and/or device for writing to an optical modulator using electromagnetic write beams, the modulator having a photorefractive converter body in which the space-modulated write beam may induce changes in the refractive index. An external voltage may be applied to the converter body. The intensity of the external voltage may be selected within a voltage range in which the buildup of changes in the refractive index may be accelerated by an increase in the charge carrier mobility or charge carrier density.

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