Optical: systems and elements – Optical frequency converter – Dielectric optical waveguide type
Patent
1995-06-19
1996-12-03
Lee, John D.
Optical: systems and elements
Optical frequency converter
Dielectric optical waveguide type
252582, G02F 135
Patent
active
055813968
ABSTRACT:
A wavelength converting device comprises: a substrate; an epitaxial cladding layer of K.sub.3 Li.sub.2-x Nb.sub.5+x-y Ta.sub.y O.sub.15+2x (-0.4.ltoreq.x.ltoreq.0.20, 0.ltoreq.y.ltoreq.0.33) deposited on the substrate by metalorganic compound gases including lithium, potassium, tantalum and niobium respectively by using a MOCVD method; and an epitaxial waveguide layer of K.sub.3 Li.sub.2-x' Nb.sub.5+x'-y' Ta.sub.y' O.sub.15+2x' (-0.4.ltoreq.x'.ltoreq.0.20, 0.ltoreq.y'.ltoreq.0.33, x+0.0005.ltoreq.x'.ltoreq.x+0.005 and x'.noteq.x) deposited on the epitaxial cladding layer by metalorganic compound gases including lithium, potassium, tantalum and niobium respectively by using the MOCVD method and having a refractive index larger than that of the epitaxial cladding layer thereby operat-able with a high thermal and electrical stability and a high output even when driven by a high load optical power.
REFERENCES:
patent: 5218661 (1993-06-01), Droste et al.
patent: 5335062 (1994-08-01), Hofmeister et al.
patent: 5422873 (1995-06-01), Kewitsch et al.
patent: 5461508 (1995-10-01), Ouwerkerk
Chikuma Kiyofumi
Kubota Hirofumi
Lee John D.
Pioneer Electronic Corporation
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