TITLE

Single-walled carbon-nanotube-deposited tapered fiber for four-wave mixing based wavelength conversion

AUTHOR(S)
Chow, K. K.; Tsuji, M.; Yamashita, S.
PUB. DATE
February 2010
SOURCE
Applied Physics Letters;2/8/2010, Vol. 96 Issue 6, p061104
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report the observation of four-wave mixing (FWM) in single-walled carbon nanotubes (CNTs) deposited around a tapered fiber. The third-order nonlinearity of CNTs is originated from the interband transitions of the π-electrons causing nonlinear polarization similar to other highly-nonlinear organic optical materials. CNTs with suitable distributed tube diameter are optically deposited around a tapered fiber and FWM effect is generated by launching a probe and a pump light into the fiber device. FWM-based wavelength conversion is further demonstrated using the generated nonlinear effects and tunable conversion of 10 Gb/s nonreturn-to-zero signal is obtained.
ACCESSION #
48067943

 

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