Polarization retaining single-mode optical waveguide

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350 9630, G02B 5172

Patent

active

044152302

ABSTRACT:
A single mode optical waveguide is constructed in a manner such that the core thereof is subjected to a stress-induced birefringence. The fiber comprises an oblong core surrounded by an oblong inner cladding layer. An outer layer of stress cladding glass, which has a circular outer surface, surrounds the inner cladding layer. The TCE of the stress cladding glass is different from that of the inner cladding glass.

REFERENCES:
patent: 4179189 (1979-12-01), Kaminow et al.
patent: 4184859 (1980-01-01), Maklad
patent: 4274854 (1981-06-01), Pleibel et al.
patent: 4307938 (1981-12-01), Dyott
patent: 4354736 (1982-10-01), Maklad et al.
patent: 4372646 (1983-02-01), Strahan et al.
Ramaswamy et al., "Birefringence in Elliptically Clad . . . Fibers", Appl. Optics, vol. 18, No. 24, Dec. 1979, pp. 4080-4084.

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