Integrated photonics on thin-film lithium niobate

D Zhu, L Shao, M Yu, R Cheng, B Desiatov… - Advances in Optics …, 2021 - opg.optica.org
Lithium niobate (LN), an outstanding and versatile material, has influenced our daily life for
decades—from enabling high-speed optical communications that form the backbone of the …

Efficient microresonator frequency combs

QF Yang, Y Hu, V Torres-Company, K Vahala - ELight, 2024 - Springer
The rapid development of optical frequency combs from their table-top origins towards chip-
scale platforms has opened up exciting possibilities for comb functionalities outside …

Topological complex-energy braiding of non-Hermitian bands

K Wang, A Dutt, CC Wojcik, S Fan - Nature, 2021 - nature.com
Abstract Effects connected with the mathematical theory of knots emerge in many areas of
science, from physics, to biology. Recent theoretical work discovered that the braid group …

Generating arbitrary topological windings of a non-Hermitian band

K Wang, A Dutt, KY Yang, CC Wojcik, J Vučković… - Science, 2021 - science.org
The nontrivial topological features in the energy band of non-Hermitian systems provide
promising pathways to achieve robust physical behaviors in classical or quantum open …

On-chip electro-optic frequency shifters and beam splitters

Y Hu, M Yu, D Zhu, N Sinclair, A Shams-Ansari, L Shao… - Nature, 2021 - nature.com
Efficient frequency shifting and beam splitting are important for a wide range of applications,
including atomic physics,, microwave photonics,,–, optical communication, and photonic …

Roadmap on topological photonics

H Price, Y Chong, A Khanikaev… - Journal of Physics …, 2022 - iopscience.iop.org
Topological photonics seeks to control the behaviour of the light through the design of
protected topological modes in photonic structures. While this approach originated from …

High-efficiency and broadband on-chip electro-optic frequency comb generators

Y Hu, M Yu, B Buscaino, N Sinclair, D Zhu, R Cheng… - Nature …, 2022 - nature.com
Developments in integrated photonics have led to stable, compact and broadband comb
generators that support a wide range of applications including communications, ranging …

Direct extraction of topological Zak phase with the synthetic dimension

G Li, L Wang, R Ye, Y Zheng, DW Wang… - Light: Science & …, 2023 - nature.com
Measuring topological invariants is an essential task in characterizing topological phases of
matter. They are usually obtained from the number of edge states due to the bulk-edge …

Twenty-nine million intrinsic Q-factor monolithic microresonators on thin-film lithium niobate

X Zhu, Y Hu, S Lu, HK Warner, X Li, Y Song… - Photonics …, 2024 - opg.optica.org
The recent emergence of thin-film lithium niobate (TFLN) has extended the landscape of
integrated photonics. This has been enabled by the commercialization of TFLN wafers and …

Moiré lattice in one-dimensional synthetic frequency dimension

D Yu, G Li, L Wang, D Leykam, L Yuan, X Chen - Physical Review Letters, 2023 - APS
The moiré lattice has recently attracted broad interest in both solid-state physics and
photonics where exotic phenomena in manipulating the quantum states are explored. In this …