Slab-type optical device

Details Slab-type optical device Slab-type optical device

1987-01-06

1989-07-25

Wan, Gene

350 9615, G02B 610

Patent

active

048506664

ABSTRACT:
A slab-type optical device comprising a pair of single mode waveguides equal in phase constant and intersecting each other each at its one end and a pair of single mode waveguides different in phase constant and intersecting each other each at its one end. The pairs of waveguides are joined to each other at their intersections. The angle of intersection of the two waveguides in each pair is set to such a small value that when light propagates along the waveguide a very small distance, the variation in the spacing between the waveguides is negligible relative to the distance of propagation.

REFERENCES:
patent: 4674827 (1987-01-01), Izutsu
Article entitled "Operation mechanism of the single-mode optical-waveguide Y junction" by Mr. Izutsu, Nakai & Sueta, in Optics Letters vol. 7, No. 3 Mar. 1982 pp. 136-138.
Japanese Article entitled "Integrated-Optical Modulators Using Guided-Wave Beam Splitters" by Mr. Izutsu, Enokihara, and Suta; dated May 21, 1982 vol. 82, No. 27, With English Translation Attached hereto. (Appln. No. 57-86178).
Article entitled "Optical-waveguide Micro-displacement sensor" by Mr. Izutsu, Enokihara and Sueta; dated Aug. 16, 1982, in Electronics Letters vol. 18, No. 20; Sep. 30, 1982, pp. 867 ad 868.
Article entitled "Optical-Waveguide Hybrid Coupler" by Izutsu, Enokihara and Sueta. In Optics Letters Nov. 1982, vol. 7, No. 11. pp. 549-551.

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