Monolithic optical resonator for stable optical and microwave generation

Q: What type of study is this?

This is a Experimental Study study.

Wei Zhang; Anatoliy A. Savchenkov; Eric A. Kittlaus; Qing-Xin Ji; Shuman Sun; Vladimir Iltchenko; Lin Yi; Scott B. Papp; Kerry J. Vahala; Andrey B. Matsko

doi:10.1364/cleo_si.2025.ss120_3

January 1, 2025

Monolithic optical resonator for stable optical and microwave generation

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Key Points

The resonator achieves a remarkable integrated linewidth of 18 Hz, contributing to superior optical stability.
A microwave signal generated has a phase noise of less than -100 dBc/Hz at a 10 kHz offset, ensuring signal clarity.
Using a monolithic SiO2 design, this resonator demonstrates a relative frequency stability of 7 × 10 −14.
Applications may highlight advancements in optical systems and signal generation technologies due to this resonator's performance.

Implication

Demonstration reveals a laser with 18 Hz linewidth and microwave signal with low phase noise, indicating high stability.

Abstract

An inch-long monolithic SiO 2 resonator 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.

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Cite This Study

Zhang et al. (2025) studied this question.

synapsesocial.com/papers/68d463f131b076d99fa637c8 https://doi.org/10.1364/cleo_si.2025.ss120_3

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Monolithic optical resonator for stable optical and microwave generation

Key Points

Implication

Abstract

Discussion

Cite This Study

Monolithic optical resonator for stable optical and microwave generation

Key Points

Implication

Abstract

Discussion

Cite This Study

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