Integrated optic waveguide with bend

Details Integrated optic waveguide with bend Integrated optic waveguide with bend

1989-08-18

1991-02-19

Lee, John D.

350 9615, G02B 610

Patent

active

049937944

ABSTRACT:
An integrated optic device includes a waveguide which is curved and includes a section at the bend which is capable of supporting more than one waveguide mode at the opearting frequency. This enables bend angles of greater than 5.degree. be to accommodated without excessive power losses.

REFERENCES:
patent: 4015893 (1977-04-01), Sugano et al.
patent: 4695121 (1987-09-01), Mahapatron et al.
patent: 4810049 (1989-03-01), Fischer et al.
patent: 4906062 (1990-03-01), Young
Minford et al., "Low-Loss Ti:LiNbO.sub.3 Waveguide Bends at .lambda.=1.3 .mu.m", IEEE J. Quantum Electr., vol. QE-18, No. 10, Oct. 1982, pp. 1802-1806.
Johnson et al, "Low-Loss LiNbO.sub.3 Waveguide Bends with Coherent Coupling", Optics Letters, vol. 8, No. 2, Feb. 1983, pp. 111-113.
Neumann et al., "Sharp Bends with Low Losses in Dielectric Optical Waveguides", Appl. Optics, vol. 22, No. 7, Apr. 1983, pp. 1016-1022.
Swanson et al., "Low-Loss Semiconductor Waveguide Bends", Optics Letters, vol. 13, No. 3, Mar. 1988, pp. 245-247.

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