Group III-V semiconductors as promising nonlinear integrated photonic platforms

K Vyas, DHG Espinosa, D Hutama, SK Jain… - … in Physics: X, 2022 - Taylor & Francis
Group III–V semiconductors are based on the elements of groups III and V of the periodic
table. The possibility to grow thin-films made of binary, ternary, and quaternary III–V alloys …

AlGaAs nonlinear integrated photonics

E Mobini, DHG Espinosa, K Vyas, K Dolgaleva - Micromachines, 2022 - mdpi.com
Practical applications implementing integrated photonic circuits can benefit from nonlinear
optical functionalities such as wavelength conversion, all-optical signal processing, and …

Post-2000 nonlinear optical materials and measurements: data tables and best practices

N Vermeulen, D Espinosa, A Ball… - Journal of Physics …, 2023 - iopscience.iop.org
In its 60 years of existence, the field of nonlinear optics has gained momentum especially
over the past two decades thanks to major breakthroughs in material science and …

Relaxed phase-matching constraints in zero-index waveguides

JR Gagnon, O Reshef, DHG Espinosa, MZ Alam… - Physical Review Letters, 2022 - APS
The utility of all parametric nonlinear optical processes is hampered by phase-matching
requirements. Quasi-phase-matching, birefringent phase matching, and higher-order-mode …

Mid-infrared difference-frequency generation in AlGaAs-on-insulator waveguides

ML Madsen, EZ Ulsig, S Folsach, PH Godoy… - JOSA B, 2023 - opg.optica.org
A design study is presented for difference-frequency generation (DFG) to the mid-infrared
(MIR) at 2.3 µm in AlGaAs waveguides heterogeneously integrated on silicon. Perfect phase …

[HTML][HTML] Suspended AlGaAs waveguide for integrated nonlinear photonics

H Cong, B Yang, W Wei, J Wang, Q Feng… - Applied Physics …, 2021 - pubs.aip.org
Al x Ga 1-x As compound is one of the promising platforms to realize high performance
nonlinear optical devices, which provide ultra-high third order nonlinearity and negligible …

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 …

Systematic study of InP/InGaAsP heated plasma etching and roughness improvement for integrated optical devices

K Vyas, KM Awan, K Dolgaleva - … of Vacuum Science & Technology B, 2023 - pubs.aip.org
Indium Phosphide (InP) is one of the most widely commercialized III–V semiconductor
materials for making efficient lasers operating in the O-band and C-band. It is also gaining …

Mechanisms of Enhancement of Nonlinear Optical Interactions in Nonlinear Photonic Devices Based on III-V Semiconductors

E Mobini - 2022 - ruor.uottawa.ca
The family of III-V semiconductors is of high significance in photonics for two main reasons.
First, not only they are the most practical material platforms for active photonic devices but …

Challenges associated with fabrication of III-V integrated optical nanostructures for nonlinear optics

K Vyas, K Dolgaleva - Nonlinear Photonics, 2022 - opg.optica.org
III-V semiconductors are elements formed using the group III and group V of the periodic
table. These materials are known for their large nonlinear properties. Fabrication of …