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Proceedings Paper

Nonlinear frequency conversion in double core photonic crystal fibers
Author(s): I. Bugar; D. Lorenc; I. V. Fedotov; A. B. Fedotov; R. Buczynski; D. Pysz; F. Uherek; A. M. Zheltikov
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Paper Abstract

Photonic crystal fibers (PCF) have enlarging application potential in information technology and spectroscopy enabling different photonic operations in fast and effective manner. The present work was performed on index guiding double core PCF with square lattice, in which the cores are separated by a single air hole. Femtosecond laser pulses with wavelengths 1.1-1.5 &mgr;m were utilized to excite the PCF samples and the nonlinear spectral transformations were registered in the visible-near infrared region. During the manufacturing process the same PCF structure were prepared in four different sizes allowing to study the influence of the fiber diameter on the spectral transformation. Employing several nJ femtosecond pulses, polarization tunable narrow spectral features and broadband supercontinuum generation was observed and tailored by changing the excitation wavelength and polarization, coupling geometry and fiber diameter. In the case of excitation in anomalous dispersion area the effect of dispersive wave generation is evaluated.

Paper Details

Date Published: 8 May 2007
PDF: 9 pages
Proc. SPIE 6582, Nonlinear Optics and Applications II, 658216 (8 May 2007); doi: 10.1117/12.725051
Show Author Affiliations
I. Bugar, International Laser Ctr. (Slovak Republic)
D. Lorenc, International Laser Ctr. (Slovak Republic)
I. V. Fedotov, M.V. Lomonosov Moscow State Univ. (Russia)
A. B. Fedotov, M.V. Lomonosov Moscow State Univ. (Russia)
R. Buczynski, Warsaw Univ. (Poland)
D. Pysz, Institute of Electronics Materials Technology (Poland)
F. Uherek, International Laser Ctr. (Slovak Republic)
A. M. Zheltikov, M.V. Lomonosov Moscow State Univ. (Russia)

Published in SPIE Proceedings Vol. 6582:
Nonlinear Optics and Applications II
Mario Bertolotti, Editor(s)

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