Tunable four-wave mixing in AlGaAs waveguides of three different geometries

DHG Espinosa, KM Awan, M Odungide… - Optics …, 2021 - Elsevier
The AlGaAs material platform has been intensively used to develop nonlinear photonic
devices on-a-chip, thanks to its superior nonlinear optical properties. We propose a new …

Tuneable four-wave mixing in AlGaAs nanowires

K Dolgaleva, P Sarrafi, P Kultavewuti, KM Awan… - Optics express, 2015 - opg.optica.org
We have experimentally demonstrated broadband tuneable four-wave mixing in AlGaAs
nanowires with the widths ranging between 400 and 650 nm and lengths from 0 to 2 mm …

Compact highly-nonlinear AlGaAs waveguides for efficient wavelength conversion

K Dolgaleva, WC Ng, L Qian, JS Aitchison - Optics express, 2011 - opg.optica.org
We report on the efficient nonlinear optical interactions in AlGaAs strip-loaded waveguides
with a wafer composition specifically designed to increase the nonlinear coefficient. We …

Efficient continuous-wave four-wave mixing in bandgap-engineered AlGaAs waveguides

JJ Wathen, P Apiratikul, CJK Richardson… - Optics letters, 2014 - opg.optica.org
We present a side-by-side comparison of the nonlinear behavior of four passive AlGaAs
ridge waveguides where the bandgap energy of the core layers ranges from 1.60 to 1.79 eV …

AlGaAs-on-insulator nanowire with 750 nm FWM bandwidth,-9 dB CW conversion efficiency, and ultrafast operation enabling record Tbaud wavelength conversion

M Pu, H Hu, L Ottaviano, E Semenova… - Optical Fiber …, 2015 - opg.optica.org
We present an AlGaAs-on-insulator platform for integrated nonlinear photonics. We
demonstrate the highest reported conversion efficiency/length/pump-power, ultra-broadband …

Phase-sensitive four-wave mixing in AlGaAs-on-insulator nano-waveguides

F Da Ros, M Pu, L Ottaviano, H Hu… - 2016 IEEE Photonics …, 2016 - ieeexplore.ieee.org
Phase-sensitive four-wave mixing is experimentally demonstrated in a 5-mm long AlGaAsOI
nano-waveguide. More than 7 dB of phase-sensitive extinction ratio are reported without …

Nano-engineered high-confinement AlGaAs waveguide devices for nonlinear photonics

M Pu, Y Zheng, E Stassen, AN Kamel… - Nanophotonics …, 2018 - spiedigitallibrary.org
The combination of nonlinear and integrated photonics enables applications in
telecommunication, metrology, spectroscopy, and quantum information science. Pioneer …

Geometry-dependent two-photon absorption followed by free-carrier absorption in AlGaAs waveguides

DHG Espinosa, SR Harrigan, KM Awan, P Rasekh… - JOSA B, 2021 - opg.optica.org
Nonlinear absorption can limit the efficiency of nonlinear optical devices. However, it can
also be exploited for optical limiting or switching applications. Thus, characterization of …

Enhanced third-order nonlinear effects in optical AlGaAs nanowires

GA Siviloglou, S Suntsov, R El-Ganainy, R Iwanow… - Optics …, 2006 - opg.optica.org
We report the first observation of enhanced third-order nonlinear effects in AlGaAs
nanowires. AlGaAs nanowaveguides with widths varying from 100 to 600nm were fabricated …

Low-loss high-confinement waveguides and microring resonators in AlGaAs-on-insulator

L Ottaviano, M Pu, E Semenova, K Yvind - Optics Letters, 2016 - opg.optica.org
AlGaAs is a promising material for integrated nonlinear photonics due to its intrinsic high
nonlinearity. However, the challenging fabrication of deep etched AlGaAs devices makes it …