Integrated optical frequency comb technologies

L Chang, S Liu, JE Bowers - Nature Photonics, 2022 - nature.com
Optical frequency combs offer an unrivalled degree of frequency measurement precision
that underpins the advance of modern technology in both fundamental science and …

Lithium niobate photonics: Unlocking the electromagnetic spectrum

A Boes, L Chang, C Langrock, M Yu, M Zhang, Q Lin… - Science, 2023 - science.org
Lithium niobate (LN), first synthesized 70 years ago, has been widely used in diverse
applications ranging from communications to quantum optics. These high-volume …

Microcomb-driven silicon photonic systems

H Shu, L Chang, Y Tao, B Shen, W Xie, M Jin… - Nature, 2022 - nature.com
Microcombs have sparked a surge of applications over the past decade, ranging from optical
communications to metrology,,–. Despite their diverse deployment, most microcomb-based …

A photonic integrated circuit–based erbium-doped amplifier

Y Liu, Z Qiu, X Ji, A Lukashchuk, J He… - Science, 2022 - science.org
Erbium-doped fiber amplifiers revolutionized long-haul optical communications and laser
technology. Erbium ions could provide a basis for efficient optical amplification in photonic …

Silicon/2D-material photodetectors: from near-infrared to mid-infrared

C Liu, J Guo, L Yu, J Li, M Zhang, H Li, Y Shi… - Light: Science & …, 2021 - nature.com
Abstract Two-dimensional materials (2DMs) have been used widely in constructing
photodetectors (PDs) because of their advantages in flexible integration and ultrabroad …

Highlighting photonics: looking into the next decade

Z Chen, M Segev - ELight, 2021 - Springer
Let there be light–to change the world we want to be! Over the past several decades, and
ever since the birth of the first laser, mankind has witnessed the development of the science …

Hybrid integrated quantum photonic circuits

AW Elshaari, W Pernice, K Srinivasan, O Benson… - Nature …, 2020 - nature.com
Recent developments in chip-based photonic quantum circuits have radically impacted
quantum information processing. However, it is challenging for monolithic photonic platforms …

Deep neural networks for the evaluation and design of photonic devices

J Jiang, M Chen, JA Fan - Nature Reviews Materials, 2021 - nature.com
The data-science revolution is poised to transform the way photonic systems are simulated
and designed. Photonic systems are, in many ways, an ideal substrate for machine learning …

High-yield, wafer-scale fabrication of ultralow-loss, dispersion-engineered silicon nitride photonic circuits

J Liu, G Huang, RN Wang, J He, AS Raja, T Liu… - Nature …, 2021 - nature.com
Low-loss photonic integrated circuits and microresonators have enabled a wide range of
applications, such as narrow-linewidth lasers and chip-scale frequency combs. To translate …

Integrated lithium niobate electro-optic modulators: when performance meets scalability

M Zhang, C Wang, P Kharel, D Zhu, M Lončar - Optica, 2021 - opg.optica.org
Electro-optic modulators (EOMs) convert signals from the electrical to the optical domain.
They are at the heart of optical communication, microwave signal processing, sensing, and …