SCIENTIFIC PUBLICATIONS

Multimodality integrated microresonators using the Moiré speedup effect

Mar. 07, 2024

Optical microresonators provide a versatile platform for the development of integrated photonic devices.

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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.

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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.

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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.

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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.

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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.

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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,

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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).