Optical fiber modulator having an optical fiber having a poled p

Details Optical fiber modulator having an optical fiber having a poled p Optical fiber modulator having an optical fiber having a poled p

1998-03-27

1999-12-28

Epps, Georgia

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359246, 385 2, G02F 103, G02F 1035

Patent

active

06008927&

ABSTRACT:
An optical fiber modulator comprises an optical fiber, a substrate having a groove pattern in which the optical fiber is fixed, and a modulation unit including a polarizer, an electrooptic element, and an analyzer aligned in a light path of the optical fiber in this order, wherein the electrooptic element is made of a poled portion of the optical fiber, and when the electrooptic element is in an electric field-free condition, an absolute value, .delta., of a phase difference of a beam passed through the electrooptic element is within the following range

REFERENCES:
patent: 5699461 (1997-12-01), Minemoto et al.
T. Fujiwara et al., "Large Electrooptic Modulation in a Thermally-Poled Germanosilicate Fiber", IEEE Photonics Technology Letters, vol. 7, No. 10, Oct. 1995, pp. 1177-1179.
Osamu Kamada et al., "Electro-Optical Effect of Bi.sub.4 Ge.sub.3 O.sub.12 Crystals for Optical Voltage Sensors", Jpn. J. Appl. Phys., vol. 32 (1993) pt. 1, No. 9B, pp. 4288-4291.
"Optical Fiber Sensors" w/Spot translation, edited by Takayoshi Ohkoshi (1986), pp. 148-153.
A.C. Liu et al., "Electro-optic phase modulation in a silica channel waveguide", Optics Letters, vol. 19, No. 7, Apr. 1994, pp. 466-468.

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