Tunable optical waveguide directional coupler filter

Details Tunable optical waveguide directional coupler filter Tunable optical waveguide directional coupler filter

1978-01-16

1979-03-27

Corbin, John K.

G02B 514

Patent

active

041462971

ABSTRACT:
An integrated optical filter composed of coupled nonidentical strip waveguides in LiNbO.sub.3 is disclosed. The device has a broad bandwidth, is tunable over several hundred angstroms, and offers electrical control of the crossover efficiency. Several devices are combined on a single substrate to provide an electrically tunable multiplexer or demultiplexer.

REFERENCES:
patent: 3589794 (1971-06-01), Marcatili
patent: 3850503 (1974-11-01), Riseberg et al.
patent: 3896402 (1975-07-01), Jackson
patent: 3909108 (1975-09-01), Taylor
patent: 3957341 (1976-05-01), Taylor
patent: 4012113 (1977-03-01), Kogelnik et al.
patent: 4026632 (1977-05-01), Hill et al.
J. M. Hammer, "Metal Diffused Stripe Waveguides" Applied Optics vol. 15, No. 2 Feb. 1976 pp. 319-320.

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