Abstract
Since their appearance one decade ago, photonic crystal fibers have led to numerous developments in the field of nonlinear optics, with the realization of supercontinuum spectra or parametric sources of correlated photons. However these fibers are still limited by the use of silica as nonlinear material. The use of hollow core photonic crystal fibers (HC-PCF) filled with liquids or gases [1,2] with higher nonlinear susceptibilities improves the performances of the nonlinear devices and offers new applications brought by the large variety of usable liquids and gases. Besides, liquid and gas filled HC-PCF present several original propagation properties such as transmission bands that can be tailored to favor or prevent a given nonlinear mechanism. In the case of the stimulated Raman scattering experiments described here, the band stmcture of the fiber allows an efficient generation of the first Stokes order even at high power output without any depletion by the second order generation. In this work we present the first demonstration of a single mode single Raman order generator using an entirely liquid filled HC-PCF opening the way towards high efficiency single mode Raman sources and amplifiers.
© 2007 IEEE
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