PUBLICATIONS
Multimodality integrated microresonators using the Moiré speedup effect
Optical microresonators provide a versatile platform for the development of integrated photonic devices.
Breakthrough in Short-Pulse Microcombs Could Lead to New Handheld Devices
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
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
Three-dimensional integration of distributed-feedback lasers and ultralow-loss silicon nitride waveguides results in ultralow-noise lasers without the need for optical isolators.
Engineered zero-dispersion microcombs using CMOS-ready photonics
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
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
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
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
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,
Planar silicon nitride waveguide and silicon photonics integrated circuit for commercial optical gyroscope
M. Horton, “Planar silicon nitride waveguide and silicon photonics integrated circuit for commercial optical gyroscope,” in Proc. 18th Fiber Opt. Sensors Appl., 2022
Seamless multi-reticle photonics
W. Jin, A. Feshali, M. Paniccia, J.E. Bowers, ” Seamless multi-reticle photonics,” Optics Letters 46 (12), 2984-2987 (2021).