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Proceedings Paper

Single-Mode Fiber-Optic Directional Couplers For Narrow Spectral Linewidth Analyser
Author(s): M. I. Belovolov,; E. M. Dianov; A. P. Krjukov; V. H. Pencheva
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Paper Abstract

A new design of Y-type end-fused single-mode fiber directional couplers has been suggest ed, and its optimum parameters with which it is possible to obtain losses of 0,5-1 dB have been determined. Cross-talk attenuation between reverse channels exceeds 60 dB. It has been found by experiments that transmission coefficients of the developed couplers are stable at wavelength variations. Furthermore, Y-type directional couplers maintain polarization state of the propagating radiation. Simple Michelson interferometer based on Y-type fiber optic directional couplers with a new optical fringe visibility registration system for the narrow linewidth( ▵V) = 10 kHz - 1 MHz) analysis of the single-frequency lasers has been created.

Paper Details

Date Published: 4 February 1988
PDF: 5 pages
Proc. SPIE 0839, Components for Fiber Optic Applications II, (4 February 1988); doi: 10.1117/12.942545
Show Author Affiliations
M. I. Belovolov,, Academy of Sciences of the USSR (Germany)
E. M. Dianov, Academy of Sciences of the USSR (Germany)
A. P. Krjukov, Academy of Sciences of the USSR (Germany)
V. H. Pencheva, Academy of Sciences of the USSR (Germany)

Published in SPIE Proceedings Vol. 0839:
Components for Fiber Optic Applications II
Vincent J. Tekippe, Editor(s)

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