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: Spectral superbroadening of ultrashort-pulse propagation in a nonlinear medium is calculated by solving the nonlinear-wave equation more exactly and yields an asymmetric Stokes-anti-Stokes broadening in fair agreement with the experimental observation.
Abstract: Spectral superbroadening of ultrashort-pulse propagation in a nonlinear medium is calculated by solving the nonlinear-wave equation more exactly. The effects of four-wave mixing and pulse deformation on phase modulation are included. The results yield an asymmetric Stokes-anti-Stokes broadening in fair agreement with the experimental observation.
243 citations
TL;DR: An integrated photon pair source based on a CMOS-compatible microring resonator that generates multiple, simultaneous, and independent photon pairs at different wavelengths in a frequency comb compatible with fiber communication wavelength division multiplexing channels and with a linewidth that is compatible with quantum memories.
Abstract: We report an integrated photon pair source based on a CMOS-compatible microring resonator that generates multiple, simultaneous, and independent photon pairs at different wavelengths in a frequency comb compatible with fiber communication wavelength division multiplexing channels (200 GHz channel separation) and with a linewidth that is compatible with quantum memories (110 MHz). It operates in a self-locked pump configuration, avoiding the need for active stabilization, making it extremely robust even at very low power levels.
242 citations
TL;DR: It is demonstrated that the nonlinear response can be purely evanescent and that nanostructured surfaces convert the evanescence energy into propagating radiation, thereby increasing the efficiency of frequency conversion.
Abstract: We report on a particularly strong third-order nonlinear response from nanostructured gold surfaces. Two incident laser beams with frequencies !1 and !2 give rise to four-wave mixing (4WM) fields with frequencies 2!1 � !2 and 2!2 � !1. We demonstrate that the nonlinear response can be purely evanescent and that nanostructured surfaces convert the evanescent energy into propagating radiation, thereby increasing the efficiency of frequency conversion. The emitted 4WM radiation is found to be directional, polarized, coherent, and both frequency and angle tunable. The ability to perform efficient frequency conversion in reduced dimensions provides new opportunities for nanophotonics and active plasmonics.
231 citations
TL;DR: In this article, strong overlap of adjacent pulses in dispersion-managed return-to-zero transmission was shown to reduce pulse-topulse interaction and timing jitter, and the limiting factors for this pulse-overlapped transmission were the amplitude fluctuations and the ghost pulse generation induced by four-wave mixing between spectral components within a single channel.
Abstract: We show that strong overlap of adjacent pulses in dispersion-managed return-to-zero transmission reduces pulse-to-pulse interaction and timing jitter. The limiting factors for this pulse-overlapped transmission are the amplitude fluctuations and the ghost pulse generation induced by four-wave mixing between spectral components within a single channel.
231 citations