The observation of four-wave mixing (FWM) in single-walled carbon nanotubes (SWCNTs) deposited around a tilted fiber Bragg grating (TFBG) has been demonstrated. A thin, floating SWCNT film is manually wrapped around the outer cladding of the fiber and FWM occurs between two core-guided laser signals by TFBG-induced interaction of the core mode and cladding modes. The effective nonlinear coefficient is calculated to be 1.8 10 3W -1Km -1. The wavelength of generated idlers is tunable with a range of 7.8 nm.

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Journal Applied Physics Letters
Shao, L.-Y, Jakubinek, M.B. (Michael B.), Sun, T. (Tingting), Simard, B. (Benoit), & Albert, J. (2012). Four-wave mixing in carbon nanotube-coated optical fiber gratings. Applied Physics Letters, 100(7). doi:10.1063/1.3687170