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Proceedings Paper

Fiber Devices Using Polarization-Maintaining Fibers
Author(s): J. Noda; K. Okamoto; I. Yokohama
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Paper 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.

Paper Details

Date Published: 10 March 1987
PDF: 8 pages
Proc. SPIE 0704, Integrated Optical Circuit Engineering IV, (10 March 1987); doi: 10.1117/12.937211
Show Author Affiliations
J. Noda, NTT Electrical Communications Laboratories (Japan)
K. Okamoto, NTT Electrical Communications Laboratories (Japan)
I. Yokohama, NTT Electrical Communications Laboratories (Japan)


Published in SPIE Proceedings Vol. 0704:
Integrated Optical Circuit Engineering IV
Mark A. Mentzer; Sriram Sriram, Editor(s)

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