Are on-chip heralded single photon sources possible by intermodal four wave mixing in silicon waveguides?

χ (3) nonlinearity enables ultrafast femtosecond scale light-to-light coupling and manipulation of intensity, phase, and frequency. χ (3) nonlinear functionality in micro-and nanoscale photonic waveguides can potentially replace bulky fiber platforms for many applications. In this Review, we summarize and comment on the progress on χ (3) nonlinearity in chip-scale photonic platforms, including several focused hot topics such as broadband and coherent sources in the new bands, nonlinear pulse shaping, and all-optical signal processing. An outlook of challenges and prospects on this hot research field is given at the end.

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“…This process obeys the energy and momentum conservation. The efficiency η of FWM can be written as [137]:…”

Section: Intermodal Four-wave Mixingmentioning

confidence: 99%

“…Intermodal FWM requires phase matching among different guided modes. Considering the nondegenerate FWM process, the linear part Δk L determined by the effective refractive index n eff is given by [137],…”

Section: Intermodal Four-wave Mixingmentioning

confidence: 99%

ADVANCED PROGRESS ON Χ<SUP>(3)</SUP> NONLINEARITY IN CHIP-SCALE PHOTONIC PLATFORMS (INVITED REVIEW)

Kang

Mei

Zhang

et al. 2021

PIER

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“…Here we mean that the phase-matching condition is achieved for a narrow region of wavelengths around the phase matched wavelength. This discrete band is useful for the generation of quantum states of light without spectral filtering [18].…”

Section: Inter-modal Four Wave Mixingmentioning

confidence: 99%

“…The first critical component is therefore the coupler which has to couple to or to extract from the multimode waveguide the desired low/high order mode. To this scope, we use asymmetric directional couplers (ADCs) [18].…”

Section: Chip Design and Set-upmentioning

confidence: 99%

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Silicon Photonics Chip for Inter-modal Four Wave Mixing on a Broad Wavelength Range

et al. 2019

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We design, fabricate and test an integrated silicon photonics chip for intermodal four wave mixing, whose phase-matching relays on the modal dispersions of different waveguide modes. This phase-matching technique allows for tunable and broadband wavelength conversion and generation. We demonstrate that idler and signal photons can be generated with 800 nm spectral distance in between. We measure several intermodal combinations, with up to the third order mode involvement. We demonstrate a maximum conversion efficiency of-12.4 dB from 1,468.5 to 1,641.1 nm with a bandwidth of 11 nm. We also prove the high and broadband tunability of the generated signal by scanning the pump wavelength when the signal wavelength is fixed. All these features make the intermodal four wave mixing a viable solution for all optical processing in the near as well as in the mid infrared and for quantum applications.

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Are on-chip heralded single photon sources possible by intermodal four wave mixing in silicon waveguides?

Cited by 2 publications

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ADVANCED PROGRESS ON Χ<SUP>(3)</SUP> NONLINEARITY IN CHIP-SCALE PHOTONIC PLATFORMS (INVITED REVIEW)

ADVANCED PROGRESS ON Χ<SUP>(3)</SUP> NONLINEARITY IN CHIP-SCALE PHOTONIC PLATFORMS (INVITED REVIEW)

Silicon Photonics Chip for Inter-modal Four Wave Mixing on a Broad Wavelength Range

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