Topic
Four-wave mixing
About: Four-wave mixing is a research topic. Over the lifetime, 7530 publications have been published within this topic receiving 112702 citations.
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TL;DR: In this paper, the (2+1)-dimensional generalized coupled nonlinear Schrodinger equation with the four-wave mixing (FWM) term is studied, which describes the optical solitons in a birefringent fiber.
Abstract: The (2+1)-dimensional generalized coupled nonlinear Schrodinger equation with the four-wave mixing (FWM) term is studied in this paper, which describes the optical solitons in a birefringent fiber. By virtue of the Hirota method, the one- and two-soliton solutions are derived. On the basis of solutions obtained, we discuss how the values of the FWM and some free parameters affect the solitons’ peformance. The FWM parameter can help to control the amplitude of the solitons. Meanwhile, by setting the values of certain free parameters, we can control the solitons’ propagation direction and speed, and reduce the interactions between them as well. In addition, the energy transfer of solitons during elastic collision and separation is also discussed. The conclusions here may be useful in improving the communication quality in multi-mode fibers.
84 citations
TL;DR: In this paper, the authors report an extended study on the dependence of efficiency and noise on device length, pump power, operation wavelength and conversion interval on four-wave mixing in semiconductor optical amplifiers.
Abstract: Four-wave mixing in semiconductor optical amplifiers is used to produce wavelength conversion. We report an extended study on the dependence of efficiency and noise on device length, pump power, operation wavelength and conversion interval. The use of longer active regions is a good way to obtain performance as good as requested by the most advanced telecommunication systems.
84 citations
TL;DR: It is shown that, whereas true time reversal of an amplitude pulse is not possible with continuous-wave pumping, this can be achieved by short-pulse pumping of a long, narrow, nonlinear medium, although time-dependent phase variations are not time reversed.
Abstract: Four-wave mixing with optical pulses is considered analytically. It is shown that, whereas true time reversal of an amplitude pulse is not possible with continuous-wave pumping, this can be achieved by short-pulse pumping of a long, narrow, nonlinear medium, although time-dependent phase variations are not time reversed.
84 citations
TL;DR: In this article, the third-order nonlinear optical susceptibility, χ(3), has been investigated at wavelengths of 602 and 580 nm for a 10:1 stretch-oriented uniaxial film of poly(p-phenylene vinylene) using femtosecond degenerate four wave mixing.
83 citations
TL;DR: In this paper, the conditions of observation of a mirrorless four-wave mixing oscillation in atomic vapors are described, where a nonlinear medium interacts with two pump beams propagating in opposite directions.
83 citations