Patent
1987-10-19
1989-12-12
Lee, John D.
350 9629, 350 9634, 350400, 350403, G02B 530
Patent
active
048863327
ABSTRACT:
A method for fabricating a polarization rotator which includes a thin film waveguide exhibiting essentially zero linear birefringence in the absence of an externally applied stress, as well as an optical system incorporating said rotator, is disclosed.
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Ando et al., "Growth-Induced Optical Birefringence in . . . Garnet Films," Jap. J. of Appl. Phys., vol. 22, No. 10, Oct. 1983, pp. L618-L620.
American Telephone and Telegraph Company
Finston Martin I.
Lee John D.
Tiegerman Bernard
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