Accès ouvert
2026
preprint
OpenAlex
Haoran Chen, Benjamin Westcott, Fatemehsadat Tabatabaei, Xiangwen Guo et autres
Squeezed light underpins quantum-enhanced sensing and continuous-variable quantum information processing, and integrated photonics offers a route to producing it at scale. Universal to these applications are squeezed-light generation and measurement. Importantly, quantum measurements serve not only as readout but also as active …
2025
article
OpenAlex
Ruxuan Liu, Mark Harrington, Shuman Sun, Fatemehsadat Tabatabaei et autres
Optical frequency division (OFD) produces low-noise microwave and millimeter-wave (mmWave) signals by transferring the exceptional stability of optical references to electronic frequency domains. Recent developments in integrated optical references and soliton microcombs have paved the way for miniaturizing OFD oscillators to chip …
us
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Accès ouvert
2025
preprint
OpenAlex
Hao Chen, Ruxuan Liu, G. Koehler, Fatemehsadat Tabatabaei et autres
Integrated photonics has undergone tremendous development in the past few decades, transforming many fields of study in science and technology. Loss and gain are two fundamental elements in photonic circuits and have direct impacts on nearly all key performance metrics. Surprisingly, the …
Accès ouvert
2025
article
OpenAlex
Mark Harrington, Rahul Chawlani, Kaikai Liu, Shuman Sun et autres
Silicon nitride integrated dissipative Kerr soliton (DKS) microcombs have emerged as a future solution to bring metrological optical frequency comb (OFC) capabilities into a photonic integrated platform with mass-scale fabrication benefits. Precision applications demand low comb line phase noise as well as …
us
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Accès ouvert
2025
preprint
OpenAlex
Mark Harrington, Rahul Chawlani, Kaikai Liu, Shuman Sun et autres
Silicon nitride Dissipative Kerr Soliton (DKS) microcombs have emerged as a future solution to bring metrological optical frequency comb capabilities into a photonic integrated platform with mass-scale fabrication benefits. Precision applications demand low comb line phase noise as well as high repetition …
Accès ouvert
2025
preprint
OpenAlex
Ruxuan Liu, Mark Harrington, Shuman Sun, Fatemehsadat Tabatabaei et autres
Optical frequency division (OFD) produces low-noise microwave and millimeter-wave signals by transferring the exceptional stability of optical references to electronic frequency domains. Recent developments in integrated optical references and soliton microcombs have paved the way for miniaturizing OFD oscillators to chip scale. …
Accès ouvert
2025
article
OpenAlex
Jin-Yu Liu, Hao Tian, Qing-Xin Ji, Shuman Sun et autres
The revolutionary impact of optical frequency combs in fields as diverse as timekeeping and spectroscopy hinges on a way to independently control comb line spacing and spectral position. However, achieving such control in microcombs remains challenging. In this work, we demonstrate separable …
us
(code pays fourni par la source)
2025
article
OpenAlex
Shuman Sun, Mark Harrington, Fatemehsadat Tabatabaei, Samin Hanifi et autres
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(code pays fourni par la source)
Accès ouvert
2025
article
OpenAlex
Qing-Xin Ji, Anatoliy A. Savchenkov, Peng Liu, Shuman Sun et autres
The remarkable frequency stability of resonant systems in the optical domain (optical cavities and atomic transitions) can be harnessed at frequency scales accessible by electronics using optical frequency division. This capability is revolutionizing technologies spanning time keeping to high-performance electrical signal sources. …
us
(code pays fourni par la source)
2025
conference-paper
OpenAlex
Wei Zhang, Anatoliy A. Savchenkov, Eric A. Kittlaus, Qing-Xin Ji et autres
An inch-long monolithic SiO2resonator enables a laser with 18 Hz integrated linewidth and 7 ×10−14 relative frequency stability. A microwave signal with phase noise below -100 dBc/Hz at 10 kHz offset is generated using this resonator.
us
(code pays fourni par la source)
2025
conference-paper
OpenAlex
Jinyu Liu, Hao Tian, Qing-Xin Ji, Shuman Sun et autres
Microcomb full phase-stabilization is achieved using two integrated piezoelectric actuators. The locking control is enhanced by the Vernier tuning of a coupled ring resonator.
us
(code pays fourni par la source)
2025
conference-paper
OpenAlex
Qing-Xin Ji, Shuman Sun, Anatoliy A. Savchenkov, Peng Liu et autres
A dispersive-wave-tunable microcomb is hybrid packaged with a III-V DFB pump laser. The Allan deviation of the repetition rate is characterized when stabilized to a Fabry–Pérot cavity, using optical frequency division.
us
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