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Proceedings Paper

Study of non-solitonic blue-green radiation generated in mm-long photonic crystal fibers
Author(s): Alexandra A. Amorim; Helder M. Crespo; Miguel Miranda; João L. Silva; Luis M. Bernardo
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Paper Abstract

We demonstrate highly-efficient generation of green-blue light using 20-fs femtosecond laser pulses propagating in short highly-nonlinear photonic crystal fibres. Three 5-mm-long fibres with different zero dispersion wavelengths were pumped by Ti:Sapphire pulses centred around 800-nm, and the relevant spectral characteristics of the generated radiation were studied as a function of pulse energy and chirp. In addition to the non-solitonic green-blue light, a well-defined infrared peak was simultaneously observed that follows the same power and wavelength dependence found on the green-blue peak. This work shows that short photonic crystal fibres can be used as an efficient source of ultrashort blue-green pulses (and possibly near-IR pulses) since linear dispersion (and consequent temporal broadening) and absorption of fused silica are minimized when using short fibres.

Paper Details

Date Published: 25 April 2006
PDF: 9 pages
Proc. SPIE 6187, Photon Management II, 618717 (25 April 2006); doi: 10.1117/12.662814
Show Author Affiliations
Alexandra A. Amorim, Univ. do Porto (Portugal)
Instituto Superior de Engenharia do Porto (Portugal)
Helder M. Crespo, Univ. do Porto (Portugal)
Miguel Miranda, Univ. do Porto (Portugal)
João L. Silva, Univ. do Porto (Portugal)
Luis M. Bernardo, Univ. do Porto (Portugal)


Published in SPIE Proceedings Vol. 6187:
Photon Management II
John T. Sheridan; Frank Wyrowski, Editor(s)

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