About Xiangpeng Ou 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. Events Presented Events Mar 29 - Apr 4, 2026 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. 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.
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.
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