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Enhanced four-wave mixing in hybrid integrated waveguides ...

Doubly Vibrationally Enhanced (DOVE) Four Wave Mixing Spectroscopy . Figure 1 shows the WMEL and Mukamel diagrams for DOVE-FWM. There are three pathways that differ in the time ordering of the pulses and the resonances. There are two DOVE-IR pathways that involve excitation of two infrared transitions from the ground state followed by a normal ...

Subharmonic resonances in higher-order collision-enhanced ...

Enhanced squeezing of four-wave mixing by phase-sensitive dressed effect in a hot atomic system To cite this article: Changbiao Li et al 2020 Laser Phys. Lett. 17 015401 View the article online for updates and enhancements. This content was downloaded from IP address 157.55.39.7 on 05/04/2020 at 16:09

Wave 3 | elgato

Four-wave mixing enhanced white-light cavity Fleischhaker, Robert ... the probe field dispersion is in addition changed by a coherent field which is generated within the medium via four-wave mixing. Counterintuitively, this in-medium dynamics leads to a further enhancement of the cavity bandwidth. ...

Invited Article: Enhanced four-wave mixing in waveguides ...

Strongly enhanced four-wave-mixing signals were observed for a cavity with two InAs QDs layers inserted in a half-wavelength (λ/2) cavity layer compared with that of a GaAs λ/2 cavity that had no QDs, in the whole range of excitation power (0.3-2 mW).

Enhanced squeezing of four-wave mixing by phase-sensitive ...

Aug 15, 2006· Four-wave mixing, enhanced by SCRAP In this section, we will discuss the manipulation of nonlinear-optical processes, i.e. enhanced four-wave mixing, driven by SCRAP. Fig. 4 shows the generated vacuum-ultraviolet radiation at a wavelength of λ S = 125 nm, when the frequency of the pump laser is varied (compare Fig. 3 ) in the vicinity of the ...

Surface-Enhanced Nonlinear Four-Wave Mixing

four-wave mixing is a promising platform for such source generation, and while investigations of higher-order fiber modes have revealed enhanced phase-matching possibilities, the role of the angular momentum of light in this process has not yet been substantially considered.

Doubly Vibrationally Enhanced (DOVE) Four Wave Mixing ...

May 03, 2011· Travelling-wave resonant four-wave mixing breaks the limits of cavity-enhanced all-optical wavelength conversion. Nat. Commun. 2:296 doi: 10.1038/ncomms1294 (2011).

Brillouin Dynamic Gratings—A Practical Form of Brillouin ...

Surface-Enhanced Nonlinear Four-Wave Mixing Jan Renger,1 Romain Quidant,1 Niek Van Hulst,1 and Lukas Novotny1,2 1ICFO-Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860 Castelldefels (Barcelona), Spain 2The Institute of Optics, University of Rochester, Rochester, New York 14627, USA (Received 17 November 2009; revised manuscript received 4 January 2010; published …

Enhanced four-wave mixing in mercury isotopes, prepared by ...

Here, we experimentally demonstrate enhanced four-wave mixing (FWM) in hybrid integrated waveguides coated with GO films. Owing to strong mode overlap between the integrated waveguides and the high Kerr nonlinearity GO films as well as low linear and nonlinear loss, we demonstrate significant enhancement in the FWM efficiency.

Surface-Enhanced Nonlinear Four-Wave Mixing

Enhancements of the continuous-wave four-wave mixing conversion efficiency and bandwidth are accomplished through the application of plasma-assisted photoresist reflow to reduce the sidewall roughness of sub-square-micron-modal area waveguides. Nonlinear AlGaAs optical waveguides with a propagation loss of 0.56 dB/cm demonstrate continuous-wave four-wave mixing conversion …

Enhanced Four-Wave Mixing in Doubly Resonant Si ...

Oct 24, 2018· We demonstrate enhanced four-wave mixing (FWM) in doped silica waveguides integrated with graphene oxide (GO) layers. Owing to strong mode overlap between the integrated waveguides and GO films that have a high Kerr nonlinearity and low loss, the FWM efficiency of the hybrid integrated waveguides is significantly improved.

Quantum theory of resonantly enhanced four-wave mixing ...

We investigate the enhanced four-wave mixing (FWM) process in a parity-time (PT)-symmetric optomechanical system, where an active cavity is coupled to a …

Nonlinear four-wave mixing with enhanced diversity and ...

Dec 01, 2009· Profiles of current velocity, temperature, and salinity were obtained in the Internal Wave and Mixing Experiment in the South China Sea (SCS), the Luzon Strait, and the North Pacific. The observations are examined for evidence of enhanced diapycnal mixing in the SCS, which reaches O(10 −3 m 2 s −1) in magnitude. Results from independent ...

Enhanced Diapycnal Mixing in the South China Sea | Journal ...

Jun 27, 2016· Four-wave mixing (FWM) is a parametric nonlinear process with widespread applications in wavelength conversion, signal regeneration, switching, …

Cavity-enhanced optical controlling based on three-wave ...

Surface-Enhanced Nonlinear Four-Wave Mixing Jan Renger,1 Romain Quidant,1 Niek van Hulst,1 and Lukas Novotny1,2 1ICFO-Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860 Castelldefels (Barcelona), Spain 2The Institute of Optics, University of Rochester, Rochester, New York 14627, USA (Received 17 November 2009; revised manuscript received 4 January 2010; published …

Plasmon-Enhanced Nonlinear Wave Mixing in Nanostructured ...

Four-wave mixing (FWM) is an important mechanism for frequency conversion and fast optical switching in all-optical communication networks. In this paper, we demonstrate that microring resonator filters can generate significant conversion efficiency with sub-millimeter physical size.

OSA | Enhanced continuous-wave four-wave mixing efficiency ...

Frequency conversion is one of the main applications of nonlinear optical processes in which a signal is produced at a different wavelength from the excitation wavelength. In particular, four-wave mixing (FWM) is a third order nonlinear optical process that allows, for instance, the generation of visible frequencies by tuning near-infrared laser pumps.

Four-wave mixing microscopy of nanostructures

nonlinear system, namely resonantly enhanced four-wave mixing in a double-L system with copropagating pump modes @11–15#. Within a semiclassical analysis it has been shown that resonantly enhanced four-wave mixing can lead to complete conversion of the pump-field energy into the signal and idler modes even for very weak pump fields.

Travelling-wave resonant four-wave mixing breaks the ...

1. Introduction. In Brillouin-Enhanced Four-Wave-Mixing (BE-FWM) [1,2], the four optical waves interact with each other through a material density wave excited through a combination of a Stimulated Brillouin Scattering (SBS) process, that generates a moving optical intensity wave and the phenomenon of electrostriction, where the optical intensity wave gives rise to a corresponding density wave [].

Enhanced four-wave mixing with nonlinear plasmonic ...

four-wave mixing is a promising platform for such source generation, and while investigations of higher-order fiber modes have revealed enhanced phase-matching possibilities, the role of the angular momentum of light in this process has not yet been substantially considered.

Nonlinear four-wave mixing with enhanced diversity and ...

Frequency conversion is one of the main applications of nonlinear optical processes in which a signal is produced at a different wavelength from the excitation wavelength. In particular, four-wave mixing (FWM) is a third order nonlinear optical process that allows, for instance, the generation of visible frequencies by tuning near-infrared laser pumps.

Enhanced four-wave mixing with nonlinear plasmonic ...

@article{osti_863112, title = {Resonantly enhanced four-wave mixing}, author = {Begley, Richard F and Kurnit, Norman A}, abstractNote = {A method and apparatus for achieving large susceptibilities and long interaction lengths in the generation of new wavelengths in the infrared spectral region. A process of resonantly enhanced four-wave mixing is employed, utilizing existing laser sources ...

Nonlinear four-wave mixing with enhanced diversity and ...

By varying the doping charge density in a nanoisland with a fixed geometry, enhanced wave mixing can be realized over a wide spectral range in the visible and near-infrared. We concentrate, in particular, on second- and third-order processes, including sum and difference frequency generation, as well as on four-wave mixing.

Four-wave mixing enhanced white-light cavity - NASA/ADS

Four-wave mixing (FWM) is a parametric nonlinear process with widespread applications in wavelength conversion, signal regeneration, switching, phase-sensitive amplification, nonlinear imaging, and entangled photon pair generation 1,2,3,4,5,6.It is a byproduct of the Kerr nonlinear optical effect and has an almost instantaneous response on the order of femtoseconds 7.

[PDF] Enhanced four-wave-mixing and 3rd order optical ...

Cavity-enhanced optical controlling is experimentally observed with a low-control laser power in a cavity-atom ensemble system. Here, the three-level atoms are coupled with two optical modes of a Fabry-Perot cavity, where a new theoretical model is developed to describe the effective three-wave mixing process between spin-wave and optical modes.