Four-wave mixing in a rapidly-spun fiber

Four-wave mixing in microstructure fiber.

We report what we believe to be the first experimental demonstration of nondegenerate four-wave mixing in a microstructure fiber. The effect of the chi((3)) nonlinearity is enhanced in such a fiber because of the small core area, and we achieve phase matching by operating near the zero-dispersion wavelength (?750 nm) . We have observed parametric gains of more than 13 dB in 6.1-m-long fiber wit...

Ultraviolet four-wave mixing in the LP(02) fiber mode.

We report UV four-wave mixing in the LP(02) mode of a photonic crystal fiber when pumped by a frequency-doubled 532 nm microchip laser in the normal dispersion regime. A pure LP(02) mode was generated for the pump light by a broadband all-fiber mode converter. Ultraviolet signal wavelengths as short as 342 nm were generated.

Highly nondegenerate femtosecond four-wave mixing in tapered microstructure fiber

Spontaneous Four-wave Mixing in Standard Birefringent Fiber

This thesis presents an experimental implementation and a theoretical investigation of a source of photon-pairs. The source is based on the nonlinear optical interaction of two strong pump pulses in a birefringent single-mode optical fiber. The interaction is mediated by the χ susceptibility of the fiber medium and results in the spontaneous creation of two photons, referred to as the signal an...

Competing four-wave mixing processes in dispersion oscillating telecom fiber.

We experimentally study the dynamics of the generation of multiple sidebands by means of a quasi-phase-matched four-wave mixing (FWM) process occurring in a dispersion-oscillating, highly nonlinear optical fiber. The fiber under test is pumped by a ns microchip laser operating in the normal average group-velocity dispersion regime and in the telecom C band. We reveal that the growth of higher-o...