SCIENTIFIC PUBLICATIONS
Chip scale resonant optical gyroscope with near earth rate sensitivity
April. 01, 2025
HE increasing popularity of self-driving cars and other autonomous vehicles has led to a growing demand for miniaturized gyroscopes.
Multimodality integrated microresonators using the Moiré speedup effect
Mar. 07, 2024
Optical microresonators provide a versatile platform for the development of integrated photonic devices.
Passive chip-scale resonant optical gyroscope with sub-20-deg/hour/Hz performance
2024
This paper describes the progress made in developing a resonant optical gyroscope fabricated with a silicon-nitride (SiN) waveguide using CMOS-compatible processes.
Breakthrough in Short-pulse microcombs could lead to new handheld devices
Dec. 11, 2023
Three years back, Caltech's Kerry Vahala and team unveiled a groundbreaking optical innovation known as the turnkey frequency microcomb.
Soliton pulse pairs at multiple colours in normal dispersion microresonators - Nature Photonics
Aug. 03, 2023
Bright solitons are produced through the interaction of pulse pairs generated via a continuous-wave fibre laser, which pumps two coupled microresonators featuring normal dispersion.
3D integration enables ultralow-noise isolator-free lasers in silicon photonics - Nature
Aug. 02, 2023
Three-dimensional integration of distributed-feedback lasers and ultralow-loss silicon nitride waveguides results in ultralow-noise lasers without the need for optical isolators.
High-Q silicon nitride resonator gyroscope interrogated with broadband light
2023
Advancements in silicon photonics technology have resulted in significant progress toward tactical-grade chip-scale optical gyroscopes for applications such as inertial navigation for a range of self-driving vehicles.
Engineered zero-dispersion microcombs using CMOS-ready photonics
2023
Normal group velocity dispersion (GVD) microcombs offer high comb line power and high pumping efficiency compared to bright pulse microcombs.
Chip-based laser with 1-hertz integrated linewidth
Oct. 28, 2022
Lasers with hertz linewidths at time scales of seconds are critical for metrology, timekeeping, and manipulation of quantum systems.
Chip-scale gyroscope using silicon-nitride waveguide resonator with a Q factor of 100 million
Mar. 22, 2022
M.J. Grant, A. Feshali, W. Jin, N. Abrams, M. Paniccia, M. Digonnet, et al. “Chip-scale gyroscope using silicon-nitride waveguide resonator with a Q factor of 100 million,” Optical and Quantum Sensing and Precision Metrology II 12016, 175-185 (2022)
Hertz-linewidth semiconductor lasers using CMOS-ready ultra-high-Q microresonators
Feb. 11, 2021
Using CMOS-ready ultra-high-Q microresonators, a highly coherent electrically pumped integrated laser with frequency noise of 0.2 Hz2 Hz−1, corresponding to a short-term linewidth of 1.2 Hz, is demonstrated.
Reaching fiber-laser coherence in integrated photonics
2021
We self-injection-lock a diode laser to a 1.41 m long, ultra-high 𝑄 integrated resonator. The hybrid integrated laser reaches a frequency noise floor of 0.006Hz2/Hz at 4 MHz offset,
Seamless multi-reticle photonics
2021
W. Jin, A. Feshali, M. Paniccia, J.E. Bowers, ” Seamless multi-reticle photonics,” Optics Letters 46 (12), 2984-2987 (2021).