Study of non-solitonic blue-green radiation generated in mm-long photonic crystal fibers

Alexandra A. Amorim; Helder M. Crespo; Miguel Miranda; João L. Silva; Luis M. Bernardo

doi:10.1117/12.662814

25 April 2006 Study of non-solitonic blue-green radiation generated in mm-long photonic crystal fibers

Alexandra A. Amorim, Helder M. Crespo, Miguel Miranda, João L. Silva, Luis M. Bernardo

Proceedings Volume 6187, Photon Management II; 618717 (2006) https://doi.org/10.1117/12.662814
Event: SPIE Photonics Europe, 2006, Strasbourg, France

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.

Citation Download Citation

Alexandra A. Amorim, Helder M. Crespo, Miguel Miranda, João L. Silva, and Luis M. Bernardo "Study of non-solitonic blue-green radiation generated in mm-long photonic crystal fibers", Proc. SPIE 6187, Photon Management II, 618717 (25 April 2006); https://doi.org/10.1117/12.662814

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