We realize an AlGaAs-on-sapphire platform through-assisted direct wafer bonding and
substrate removal processes. The direct wafer bonding process is optimized concerning the …

Recent advances in integrated nonlinear material platforms and low-loss optical
microresonators enabled a broad range of chip-scale optical applications, such as optical …

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 …

We present the design and experimental demonstration of the ultra-high-Q-factor silicon
microring resonator based on a multi-mode ridge waveguide. The multi-mode ridge …

We report propagation loss measurements in single-mode GaAs-AlGaAs racetrack
microresonators with bending radii from 2.7/spl mu/m to 9.7/spl mu/m. The experimental data …

Aluminum gallium arsenide (AlGaAs) and related III-V semiconductors have excellent
optoelectronic properties. They also possess strong material nonlinearity as well as high …

We have constructed and characterized several optical microring resonators with scale sizes
of the order of 10 µm. These devices are intended to serve as building blocks for …

We propose and demonstrate a semiconductor single microring resonator wavelength
tunable filter utilizing InGaAs/InAlAs five-layer asymmetric coupled quantum wells for a fast …

A reflowing photoresist and oxidation smoothing process is used to fabricate ultra-high-Q
silicon microring resonators based on multimode rib waveguides. Over a wide range of …

Compact all-pass and add–drop microring resonators (radius= 10 μm) integrated with
grating couplers working at 2 μm wavelength are designed, fabricated, and characterized on …