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(Color online) Schematic illustration of the FWM process in a SWCNT-coated TFBG.
Vis-NIR spectrum of a rectangular SWCNT film produced under the same conditions as the films used for TFBG wrapping. The inset depicts the SEM image of a cleaved fiber with wrapped SWCNTs.
(Color online) Spectra of a 10° TFBG without/with wrapped SWCNTs.
(Color online) Experimental setup for FWM in a SWCNT-wrapped TFBG (see text for details).
(Color online) Output FWM spectrum obtained from the SWCNT-wrapped TFBG.
FWM efficiency against detuning of one pump relative to the other.
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