Technique for fabrication of a poled electrooptic fiber segment

Details Technique for fabrication of a poled electrooptic fiber segment Technique for fabrication of a poled electrooptic fiber segment

1995-09-08

1997-04-01

Lee, John D.

Optical waveguides

Having nonlinear property

385123, 385129, 65429, 65430, G02B 616

Patent

active

056174993

ABSTRACT:
A low-cost fabrication technique, readily extensible to volume manufacturing is presented for an electrooptically active fiber segment that can be simply integrated into optoelectronic devices. The fabrication technique offers a dielectric isolation structure surrounding the fiber to allow high field poling, a pair of electrodes used both for poling and for inducing an electrooptic effect, and ends of the fiber unaffected by the fabrication and available for splicing with additional fiber sections. The technique is readily adaptable to specialized electrode structures including striplines and/or microstrip lines for high frequency applications and segmented electrodes for quasi-phasematched three-wave mixing applications. By combining the electrooptically active fiber segment with other fibers in an integrated fiber modulator, high frequency modulation of an optical signal may be achieved with applications in telecommunications. By including a Bragg grating structure in the same fiber segment, a remotely accessible electric field sensor is achieved. Three-wave mixing processes in the electrooptically active fiber segment will allow the generation of additional coherent radiation sources in both the visible/UV and infrared spectral ranges.

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X-C. Long et al; "Measurement of . . . amorphous silica"; Apr. 21, 1994; pp. 1819-1821.
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P.G. Kazansky et al; "Pockels effect . . . optical fibers" 5 Jan. 1995; pp. 62-63.
T. Fujiwara et al; "Electro-optic . . . UV-excited poling" 30 Mar. 1995; pp. 573-575.

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