Journal
APPLIED PHYSICS LETTERS
Volume 101, Issue 16, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4759038
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Funding
- NIH [R01CA133148, R21RR024415]
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We demonstrate a high-efficiency intermodal four-wave-mixing process in an all-fiber system, comprising a picosecond fiber laser and a high-order-mode (HOM) fiber. Two pump photons in the LP01 mode of the fiber can generate an anti-Stokes photon in the LP01 mode and a Stokes photon in the LP02 mode. The wavelength dependent mode profiles of the HOM fiber produce significant spatial overlap between the modes involved. The anti-Stokes wave at 941 nm is generated with 20% conversion efficiency with input pulse energy of 20 nJ. The guidance of the anti-Stokes and Stokes waves in the HOM fiber enhances system stability. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4759038]
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