Network with thermally induced waveguide

Details Network with thermally induced waveguide Network with thermally induced waveguide

1995-05-19

1997-04-22

Aullah, Akm E.

Optical waveguides

With optical coupler

Plural

G02B 626

Patent

active

056235666

ABSTRACT:
1.times.2 and more complex switching operations use routing corresponding with guides produced by heating with a laterally-homogeneous layer. Strip heaters, in contact with a silica-based sandwich structure, thermally increase refractive index to define laterally-constrained cores within the center layer.

REFERENCES:
patent: 4900112 (1990-02-01), Kawachi et al.
patent: 5117470 (1992-05-01), Inoue et al.
patent: 5418868 (1995-05-01), Cohen et al.
N. Takato, et al., "Low-Loss High-Silica-Mode Channel Waveguides", Electron Lett., vol. 22, No. 6, pp. 321-322 (1986).
C. Dragone, "An N x N Optical Multiplex Using a Planar Arrangement of Two Star Couplers", IEEE Photo. Technol. Lett., vol. 3, No. 9, pp. 812-815 (1991).
N. Takato, et al., "Silica-Based Single-Mode Waveguides on Silicon and their Application to Guided-Wave Optical Interferometers", J. Lightwave Technol., vol. 6, No. 6, pp. 1003-1010 (1988).
M. Haruna, et al., "Thermooptic deflection and switching in glass", Applied Optics, vol. 21, No. 19, pp. 3461-3465 (1982).

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