Method to fabricate frequency doubler devices

Details Method to fabricate frequency doubler devices Method to fabricate frequency doubler devices

1991-03-13

1993-04-27

Hearn, Brian E.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

65 314, 359130, 359126, H01L 2100, G02B 612

Patent

active

052059049

ABSTRACT:
A method to fabricate nonlinear optical frequency doubler devices comprised of a process to form periodic tantalum masks on a LiNb.sub.x Ta.sub.1-x O.sub.3 (wherein 0.ltoreq.x.ltoreq.1) crystal substrate, a process to form periodic proton exchanged regions by applying a phosphoric acid treatment, and a process to form an optical waveguide on the surface of said crystal.
According to this fabrication method of the present invention, deeper domain-inverted regions can be formed on said crystal surface, and by this, a fundamental wave can be transformed into a harmonic wave at a high efficiency.

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patent: 4984861 (1991-01-01), Suchoski, Jr. et al.
patent: 5032220 (1991-07-01), Yamamoto et al.

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