Articles with "four wave" as a keyword



Optimization of Quantum Correlation in Cascaded Four-Wave Mixing

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Published in 2017 at "International Journal of Theoretical Physics"

DOI: 10.1007/s10773-016-3225-2

Abstract: We propose a measurement strategy that can be used to optimize quantum correlation for a cascaded four-wave mixing (FWM) structure. By calculating the covariance matrix of a cascaded FWM structure, we can get all the… read more here.

Keywords: cascaded four; four wave; wave mixing; quantum correlation ... See more keywords

Four-Wave Mixing-Induced Maximal Entanglement in Superconducting Phase Quantum Circuits

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Published in 2017 at "Journal of Superconductivity and Novel Magnetism"

DOI: 10.1007/s10948-017-4053-1

Abstract: We are interested in studying the entanglement of an array of superconducting phase quantum circuits and external magnetic fluxes. It is shown that in a four-level cascade type quantum system, the degree of entanglement increases… read more here.

Keywords: quantum circuits; maximal entanglement; four wave; superconducting phase ... See more keywords

Reduction of four wave mixing efficiency in DWDM systems using optimal PMD

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Published in 2018 at "Optical and Quantum Electronics"

DOI: 10.1007/s11082-018-1370-y

Abstract: Investigation of polarization mode dispersion (PMD) effect on the performance of nonlinear optical transmission system, in terms of bit error rate and mixing efficiency was conducted. It shows an improvement in the system performance, in… read more here.

Keywords: system; four wave; wave mixing; mixing efficiency ... See more keywords

Influence of the frequency detuning on the four-wave mixing efficiency in three-level system coupled by standing-wave

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Published in 2018 at "Indian Journal of Physics"

DOI: 10.1007/s12648-017-1138-4

Abstract: In a Λ-type three-level atomic system coupled by an off-resonant standing-wave, the reflected four-wave mixing (FWM) spectrum is studied. It shows that the maximum reflection efficiency occurs when both of the coupling and probe fields… read more here.

Keywords: four wave; standing wave; wave; three level ... See more keywords

High efficiency four-wave mixing in double asymmetry quantum dots

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Published in 2019 at "Optik"

DOI: 10.1016/j.ijleo.2018.11.093

Abstract: Abstract A theory analysis of the four-wave mixing (FWM) scheme in a double asymmetry quantum dots (QDs) system is performed. The efficiency of the generated field decreases in an oscillating mode for the penetration depth… read more here.

Keywords: wave mixing; wave; asymmetry quantum; four wave ... See more keywords

All fiber multiwavelength Tm-doped double-clad fiber laser assisted by four-wave mixing in highly nonlinear fiber and Sagnac loop mirror

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Published in 2020 at "Optics Communications"

DOI: 10.1016/j.optcom.2019.124589

Abstract: Abstract A four-wave mixing (FWM) based multi-wavelength laser based on a double-cladding thulium-doped fiber laser (DC-TDFL) is proposed and demonstrated. A highly nonlinear fiber (HNLF) in conjunction with a Sagnac loop mirror formed by polarization… read more here.

Keywords: laser; four wave; fiber; wave mixing ... See more keywords

Achieving a 4 kW Raman fiber amplifier with the assistance of four-wave mixing

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Published in 2025 at "High Power Laser Science and Engineering"

DOI: 10.1017/hpl.2025.29

Abstract: Abstract Raman fiber lasers, known for their capacity to provide both high-power and precise wavelength emissions, are gaining attraction across a spectrum of applications, including fiber optic communications, sensing, spectroscopy and imaging. However, the scalability… read more here.

Keywords: four wave; raman fiber; wave mixing; fiber ... See more keywords

Stimulated Emission Tomography of Spontaneous Four-Wave Mixing in Plasmonic Nanoantennas

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Published in 2025 at "ACS Photonics"

DOI: 10.1021/acsphotonics.5c00764

Abstract: We used stimulated emission tomography (SET) to assess the efficiency of spontaneous four-wave mixing (SFWM) from a plasmonic nanoantenna under pulsed excitation. We characterize the SFWM photon generation rate by measuring stimulated degenerate four-wave mixing.… read more here.

Keywords: four wave; spontaneous four; stimulated emission; emission tomography ... See more keywords

Enhanced Four-Wave Mixing in Doubly Resonant Si Nanoresonators

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Published in 2019 at "ACS Photonics"

DOI: 10.1021/acsphotonics.9b00442

Abstract: 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… read more here.

Keywords: frequency; wave mixing; fwm signal; four wave ... See more keywords

High-efficiency backward four-wave mixing by quantum interference

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Published in 2017 at "Scientific Reports"

DOI: 10.1038/s41598-017-16062-5

Abstract: Electromagnetically-induced-transparency-based four-wave mixing (FWM) in a resonant four-level double-Λ system has a maximum conversion efficiency (CE) of 25% due to spontaneous emission. Herein, we demonstrate that spontaneous emission can be considerably suppressed by arranging the… read more here.

Keywords: wave mixing; high efficiency; efficiency backward; four wave ... See more keywords

Towards generation of hybrid entangled photon pairs by spectrally overlapping intermodal-vectorial four-wave mixing bands in optical fibers.

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Published in 2025 at "Scientific reports"

DOI: 10.1038/s41598-025-29082-3

Abstract: Optical fiber-based sources of photon pairs with hybrid entanglement across multiple degrees of freedom are essential for a wide range of quantum technologies, while remaining compatible with existing communication networks. In this paper, we use… read more here.

Keywords: four wave; photon; photon pairs; vectorial four ... See more keywords