Integrated silicon photonics has sparked a significant ramp-up of investment in both
academia and industry as a scalable, power-efficient, and eco-friendly solution. At the heart …

Tunable semiconductor lasers have many important applications such as wavelength
division multiplexing, light detection and ranging, and gas detection. The increased interest …

The generation of ultra-low-noise microwave and mmWave in miniaturized, chip-based
platforms can transform communication, radar and sensing systems,–. Optical frequency …

Chip-scale lasers with a wide tunable range and a narrow linewidth have rich applications in
optical communications, sensing, and light detection and ranging systems. External cavity …

Integrated optical tweezers have the potential to enable highly-compact, low-cost, mass-
manufactured, and broadly-accessible optical manipulation when compared to standard …

Erbium-doped fibre lasers exhibit high coherence and low noise as required for fibre-optic
sensing, gyroscopes, LiDAR and optical frequency metrology. Endowing erbium-based gain …

Silicon photonics, compatible with large-scale silicon manufacturing, is a disruptive photonic
platform that has indicated significant implications in industry and research areas (eg …

Combining optical gain in direct-bandgap III-V materials with tunable optical feedback
offered by advanced photonic integrated circuits is key to chip-scale external-cavity lasers …

We demonstrate a heterogeneously integrated laser on silicon exhibiting a sub-20 kHz
Lorentzian linewidth over a wavelength tuning range of 58 nm from 1350 to 1408 nm, which …

In this work, we demonstrate for the first time a narrow-linewidth III-V-on-Si double laser
structure with more than a 110 nm wavelength tuning range realized using micro-transfer …