Rotational SRS at pulse energies of 3 nJ and quantum efficiency 92% is generated in ~35 m of hydrogen-filled-HC-PCF using a 1064 nm pump laser. This threshold is some 10,000 times lower than previously reported.
© 2004 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(190.0190) Nonlinear optics : Nonlinear optics
(190.5650) Nonlinear optics : Raman effect
F. Benabid, G. Bouwmans, F. Couny, J. C. Knight, and P. S. J. Russell, "Rotational SRS in hydrogen gas filled hollow-core PCF with 3 nJ threshold and 92 % conversion efficiency," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2004), paper CThEE5.