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. 2003 Dec 1;11(24):3188-95.
doi: 10.1364/oe.11.003188.

Coupling characteristics of dual-core photonic crystal fiber couplers

Kunimasa Saitoh, Yuichiro Sato, Masanori Koshiba
Free article

Coupling characteristics of dual-core photonic crystal fiber couplers

Kunimasa Saitoh et al. Opt Express. .
Free article

Abstract

Coupling characteristics of dual-core photonic crystal fiber (PCF) couplers are evaluated by using a vector finite element method and their application to a multiplexer-demultiplexer (MUX-DEMUX) based on PCF is investigated. The PCF couplers for 1.48/1.55-m, 1.3/1.55-m, 0.98/1.55-m, and 0.85/1.55-m wavelength MUX-DEMUX are designed and the beam propagation analysis of the proposed PCF couplers is performed. It is shown from numerical results that it is possible to realize significantly shorter MUX-DEMUX PCFs, compared to conventional optical fiber couplers.

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