Optical waveguides – Integrated optical circuit
Patent
1997-09-17
1999-10-12
Ngo, Hung N.
Optical waveguides
Integrated optical circuit
385131, G02B 612
Patent
active
059664789
ABSTRACT:
An integrated optical circuit having a turning mirror formed by an end surface of a planar waveguide forms a turning mirror deflector surface. More specifically, the integrated optical circuit includes a planar optical waveguide formed within a cladding layer wherein the planar waveguide has a deflector end surface positioned adjacent to a region, such as a gap. The refractive indices of the planar waveguide and region are in a ratio of no less than approximately 1.3 to provide a desired refractive index discontinuity. This refractive index discontinuity in combination with the positioning of the deflector end surface at an angle relative to an axis extending perpendicular to the direction of the waveguide in the range of 24.degree. and 67.degree. enables an advantageous deflection of an optical signal.
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patent: 5135605 (1992-08-01), Blonder et al.
patent: 5480764 (1996-01-01), Gal et al.
patent: 5650123 (1997-07-01), Saini et al.
C.H. Henry et al., "Glass Waveguides on Silicon for Hybrid Optical Packaging", 7 J. Lightwave Technol., pp. 1530-1539 (1989).
H.M. Presby, "Silica Integrated Optical Circuits", (SPIE Optical Engineering Press, Bellingham, WA 1996).
Marcuse Dietrich
Presby Herman Melvin
Lucent Technologies - Inc.
Ngo Hung N.
Rudnick Robert
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