Fiber Devices Using Polarization-Maintaining Fibers

J. Noda; K. Okamoto; I. Yokohama

doi:10.1117/12.937211

10 March 1987 Fiber Devices Using Polarization-Maintaining Fibers

J. Noda, K. Okamoto, I. Yokohama

Proceedings Volume 0704, Integrated Optical Circuit Engineering IV; (1987) https://doi.org/10.1117/12.937211
Event: Cambridge Symposium-Fiber/LASE '86, 1986, Cambridge, MA, United States

Abstract

Fiber devices using polarization-maintaining fibers called PANDA fibers are presented. They are polarization-maintaining couplers and polarization-splitting couplers, optical isolators and optical circulators, and multi/demultiplexers designed for 1.3 μm wavelength. Crosstalk of -32 dB and excess loss of 0.03 dB for the polarization-maintaining coupler, and polarization-splitting ratio of 17 dB and excess loss of 0.5 dB for the polarization-splitting coupler have been fabricated by a fusion-elongation method. A fiber polarizer with the extinction ratio of more than 40 dB has been presented by using the difference of bending loss between the orthogonal modes in the PANDA fibers. Multi/demultiplexer with narrow band-pass of 1.4 nm utilizing combination of PANDA fiber polarization dispersion and the polarization-splitting coupler has been realized. An optical isolator consisting of fiber polarizers and a spherical YIG with a lens function and an optical circulator consisting of polarizing-splitting couplers and spherical YIGs have been achieved.

Citation Download Citation

J. Noda, K. Okamoto, and I. Yokohama "Fiber Devices Using Polarization-Maintaining Fibers", Proc. SPIE 0704, Integrated Optical Circuit Engineering IV, (10 March 1987); https://doi.org/10.1117/12.937211

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