Parametric amplification based on intermodal four-wave mixing between different supermodes in coupled-core fibers

M Shi, V Ribeiro, AM Perego - Optics Express, 2023 - opg.optica.org
Parametric amplifiers relying on the nonlinear four-wave mixing process are known for their
signature symmetric gain spectrum, where signal and idler sidebands are generated on both …

Design and dispersion control of microstructured multicore tellurite glass fibers with in-phase and out-of-phase supermodes

EA Anashkina, AV Andrianov - Photonics, 2021 - mdpi.com
High nonlinearity and transparency in the 1–5 μm spectral range make tellurite glass fibers
highly interesting for the development of nonlinear optical devices. For nonlinear optical …

Nano-optical single-photon response mapping of waveguide integrated molybdenum silicide (MoSi) superconducting nanowires

J Li, RA Kirkwood, LJ Baker, D Bosworth… - Optics express, 2016 - opg.optica.org
We present low temperature nano-optical characterization of a silicon-on-insulator (SOI)
waveguide integrated SNSPD. The SNSPD is fabricated from an amorphous Mo_83Si_17 …

Ultrawide shifting of the laser pulse wavelength in a multicore tellurite fiber with two zero-dispersion wavelengths

SA Skobelev, AA Balakin, EA Anashkina, AV Andrianov… - Physical Review A, 2021 - APS
The generation of Raman solitons in the mid-IR range in a multicore fiber with two zero-
dispersion wavelengths is studied analytically and numerically. The estimate for the …

Ultra-broadband dispersion engineering of nanophotonic waveguides

H Liang, Y He, R Luo, Q Lin - Optics express, 2016 - opg.optica.org
We propose double-cladded and multi-cladded waveguide structures that enable flexible
engineering of group-velocity dispersion over multi-octave spanning spectral range …

[HTML][HTML] Parametric amplification in coupled nonlinear waveguides: the role of coupling dispersion

M Shi, V Ribeiro, AM Perego - Frontiers in Photonics, 2023 - frontiersin.org
We present the theory of parametric amplification in coupled nonlinear waveguides
considering the frequency dependency of the coupling strength. We show that coupling …

Group velocity dispersion of a multicore fibre with 5× 5 coupled cores for in-phase and out-of-phase supermodes

AV Andrianov, NA Kalinin, EA Anashkina - Laser Physics Letters, 2021 - iopscience.iop.org
In-phase and out-of-phase supermodes were selectively excited (with modal content> 90%)
in the wavelength range near 1030 nm in a silica multicore fibre with 5× 5 coupled cores …

Ultra-broadband frequency shifting of laser pulses in a square multicore chalcogenide fiber

A Balakin, S Skobelev, A Andrianov, E Anashkina… - Optics Letters, 2024 - opg.optica.org
The process of Raman frequency shifting of out-of-phase laser pulses in fibers with a square
configuration of weakly coupled cores having two or more zero dispersion wavelengths has …

[HTML][HTML] Dispersion engineering of high-Q silicon microresonators via thermal oxidation

WC Jiang, J Zhang, NG Usechak, Q Lin - Applied Physics Letters, 2014 - pubs.aip.org
We propose and demonstrate a convenient and sensitive technique for precise engineering
of group-velocity dispersion in high-Q silicon microresonators. By accurately controlling the …

Modulational instability in a silicon-on-insulator directional coupler: role of the coupling-induced group velocity dispersion

W Ding, OK Staines, GD Hobbs, AV Gorbach… - Optics …, 2012 - researchportal.bath.ac.uk
We report frequency conversion experiments in silicon-on-insulator (SOI) directional
couplers. We demonstrate that the evanescent coupling between two subwavelength SOI …