Optically encoded phase matched second harmonic generation,...

G - Physics – 02 – F

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G02F 1/37 (2006.01) C03C 14/00 (2006.01) C03C 23/00 (2006.01) G02F 1/35 (2006.01) G02F 1/355 (2006.01) G02F 1/365 (2006.01) G02F 1/377 (2006.01) G02F 3/00 (2006.01) G03H 1/00 (2006.01) G03H 1/04 (2006.01) G11B 7/0065 (2006.01) G11B 7/24 (2006.01) H01S 3/17 (2006.01) G02F 1/313 (2006.01) H01S 3/109 (2006.01) H01S 5/30 (2006.01)

Patent

CA 2119450

2119450 9308500 PCTABS00021 There is described a semiconductor microcrystallite doped glass that exhibits SHG, and a method of preparing, or encoding, a semiconductor microcrystallite doped glass by the simultaneous injection of fundamental and second harmonic fields, such as 1.06 µm and 532 nm. More specifically, the disclosure pertains to a structure that exhibits SHG, the structure being comprised of, by example, borosilicate glass that contains CdSxSe1-x microcrystallites. Also disclosed are embodiments of devices having an optical waveguide structure formed within a glass substrate that contains semiconductor microcrystallites. The optical waveguide structure guides and contains injected radiation and also converts a portion thereof to the second harmonic. Also disclosed are optoelectronic devices that include frequency doublers, self-doubling lasant material, bichromatic optical switches, and a volume holographic medium, all of which include a glass host having semiconductor microcrystallites embedded within.

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