quantum dot lasers

Low-Noise Tunable Quantum-Dot Lasers for Coherent FMCW Ranging and High-Speed Optical Communications

Xiangpeng Ou, Ph.D. Student, Electrical and Computer Engineering

Mar 29, 12:00 - 13:00

B9 R2325

quantum dot lasers integrated photonics on-chip light sources

This talk presents the development of low-noise, highly linear quantum-dot (QD) tunable lasers utilizing dynamic population gratings (DPGs) to achieve record-breaking coherence and simplified fabrication for next-generation optical communications and sensing applications like LiDAR.

Low-Noise Tunable Quantum-Dot Lasers for Coherent FMCW Ranging and High-Speed Optical Communications

Xiangpeng Ou, Ph.D. Student, Electrical and Computer Engineering

Apr 1, 15:00 - 16:30

B3 R5209

quantum dot lasers laser photonics on-chip light sources

This dissertation addresses the difficulty of simultaneously achieving narrow linewidth, low frequency noise, wide tunability, and high-linearity chirping in integrated lasers without sacrificing fabrication simplicity and manufacturability.

Xiangpeng Ou

Ph.D. Student, Electrical and Computer Engineering

photonics Silicon photonics biosensing quantum dot lasers quantum information processing FMCW radar

Xiangpeng is currently working on integrated silicon photonics with on-chip lasers, aiming to deliver high-speed and energy-efficient solutions for AI data centers and coherent Frequency-Modulated Continuous Wave (FMCW) LiDAR systems.