Abstract Second-order (χ (2)) optical nonlinearity is one of the most common mechanisms for
modulating and generating coherent light in photonic devices. Due to strong photon …

Stimulated Raman scattering is an attractive way to extend the operation spectral range of
optical sources. However, the spectral extension range of a tunable Raman laser is limited …

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 …

The aluminum gallium arsenide-on-insulator (AlGaAsOI) platform exhibiting high
nonlinearity, strong light confinement, and negligible two-photon absorption (TPA) has …

An alternative method for characterizing optical propagation in waveguide structures based
on scattered light imaging is presented and demonstrated for the spectral range of 450–980 …

Microresonator-based optical frequency combs enable many potential applications, from
frequency metrology to optical communication. Soliton comb generation relies on dispersion …

Quantum communication represents a revolutionary advancement over classical information
theory, which leverages unique quantum mechanics properties like entanglement to achieve …

This study investigates nanobeam cavities on a GaAs-on-insulator chip with InAs quantum
dots, including design, fabrication, and experimental characterization. The nanobeam …

Photonic integrated circuits (PICs) continue to drive research and production of compact and
scalable optical systems. Before commercialization, characterizing optical losses in the …

Single-mode operated multimode AlGaAs-on-insulator microring resonators for Kerr comb
generation Page 1 * Corresponding author: mipu@dtu.dk Single-mode operated multimode …