6 papers
Non-Hermitian topology driven by an identity term: An exactly solvable paradigm
Lingfang Li, Yating Wei, Yang Ruan +6
An identity term in the Hamiltonian is conventionally regarded as spectrally inert-it shifts energies but does not alter eigenstate topology. We show that under non-Hermitian skin…
Ultracompact high-Q whispering gallery mode microresonator in a non-closed waveguide path
Ziyang Xiong, Tong Lin, Liu Li +6
Integrated photonic circuits are foundational for versatile applications, where high-performance traveling-wave optical resonators are critical. Conventional whispering-gallery mod…
Integrated Silicon Photonic Multichannel Optical Hybrid for Broadband Parallel Coherent Reception
Tong Lin, Yan Fan, Jiao Zhang +12
We design and demonstrate a monolithically integrated silicon photonic multichannel optical hybrid for versatile broadband coherent reception, addressing the critical limitations o…
Miniaturized Computational Dispersion-Engineered Silicon Photonic Vernier Caliper Spectrometer
Hao Deng, Tong Lin, Liu Li +6
The development of miniaturized spectrometers for cost-effective mobile applications remains challenging, as small footprints fundamentally degrade bandwidth and resolution. Typica…
Versatile and reconfigurable integrated silicon nitride photonic microresonator
Tong Lin, Haoran Wang, Xiaoyu Hao +7
Unlocking the full potential of integrated photonics requires versatile, multi-functional devices that can adapt to diverse application demands. However, confronting this challenge…
Million-Q Dual-Polarization Micro-Fabry-Perot Resonators in Silicon Nitride Photonic Integrated Circuits
Ziyang Xiong, Tong Lin, Liu Li +4
Miniaturized Fabry-Perot standing-wave resonators and whispering-gallery travelling wave resonators constitute foundational building blocks for photonic integrated circuits. While…