ArticleScience advances2023
On-chip mechanical exceptional points based on an optomechanical zipper cavity.
Article in Science advances, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Optomechanical sensor network with fiber Bragg gratings.Nature communications · 2025Article
- Non-Hermitian singularities in scattering spectra of Mie resonators.Science advances · 2025Article
- Harnessing coupled nanolasers near exceptional points for directional emission.Science advances · 2024Article
- Dissipative optomechanics in high-frequency nanomechanical resonators.Nature communications · 2023Article
- Enhanced Sensing Mechanism Based on Shifting an Exceptional Point.Research (Washington, D.C.) · 2023Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Exceptional points (EPs) represent a distinct type of spectral singularity in non-Hermitian systems, and intriguing physics concepts have been studied with optical EPs recently. As a system beyond photonics, the mechanical oscillators coupling with many physical systems are expected to be further exploited EPs for mechanical sensing, topology energy transfer, nonreciprocal dynamics, etc. In this study, we demonstrated on-chip mechanical EPs with a silicon optomechanical zipper cavity, wherein two near-degenerate mechanical breathing modes are coupled via a single colocalized optical mode. By tailoring the dissipative and coherent couplings between two mechanical oscillators, the spectral splitting with 1/2 order response, a distinctive feature of EP, was observed successfully. Our work provides an integrated platform for investigating the physics related to mechanical EPs on silicon chips and suggests their possible applications for ultrasensitive measurements.
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Registered trials
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