activity
20182026
most citedA photonic integrated circuit based erbium-doped amplifier

391 citations · 765 across the 19 of their papers we have counts for

collaborators

19 papers

physics.optics2026

A fully integrated dispersion-managed femtosecond mode-locked laser

Xurong Li, Xuan Yang, Zheru Qiu +7

Femtosecond lasers underpin applications ranging from material processing to corneal surgery, while their regular pulse trains form optical frequency combs that have revolutionized…

physics.optics2025★ 9 cited

High-pulse-energy integrated mode-locked lasers based on a Mamyshev oscillator

Zheru Qiu, Jianqi Hu, Xuan Yang +9

Ultrafast lasers have unlocked numerous advances across science and technology: they enable corneal surgery, reveal chemical reaction dynamics, and underpin optical atomic clocks.…

physics.optics2025★ 12 cited

Copper-impurity-free photonic integrated circuits enable deterministic soliton microcombs

Xinru Ji, Xurong Li, Zheru Qiu +5

Chip-scale optical frequency combs based on microresonators (microcombs) enable GHz-THz repetition rates, broad bandwidth, compactness, and compatibility with wafer-scale manufactu…

physics.optics2025★ 3 cited

Full C- and L-band tunable erbium-doped integrated lasers via scalable manufacturing

Xinru Ji, Xuan Yang, Yang Liu +8

Erbium (Er) ions are the gain medium of choice for fiber-based amplifiers and lasers, offering a long excited-state lifetime, slow gain relaxation, low amplification nonlinearity a…

physics.optics2025

Terabit-class coherent communications enabled by an integrated photonics erbium doped amplifier

Di Che, Stefano Grillanda, Yang Liu +7

Coherent technologies have revolutionized optical communications, driving the capacity per fiber to multi-terabit per second (Tb/s) in combination with wavelength division multiple…

quant-ph2024★ 14 cited

Electrons herald non-classical light

Germaine Arend, Guanhao Huang, Armin Feist +9

Free electrons are a widespread and universal source of electromagnetic fields. The past decades witnessed ever-growing control over many aspects of electron-generated radiation, f…

physics.optics2024

Ultrafast tunable photonic integrated Pockels extended-DBR laser

Anat Siddharth, Simone Bianconi, Rui Ning Wang +5

Frequency-agile lasers that can simultaneously feature low noise characteristics as well as fast mode hop-free frequency tuning are keystone components for applications ranging fro…

physics.optics2024★ 37 cited

Foundry compatible, efficient wafer-scale manufacturing of ultra-low loss, high-density SiN photonic integrated circuits

Xinru Ji, Rui Ning Wang, Yang Liu +3

Silicon nitride (SiN) photonic integrated circuits (PICs) have shown low linear loss, negligible nonlinear loss, and high power handling over traditional silicon photonics.…

physics.optics2024★ 3 cited

Large-scale photonic chip based pulse interleaver for low-noise microwave generation

Zheru Qiu, Neetesh Singh, Yang Liu +4

Microwaves generated by optical techniques have demonstrated unprecedentedly low noise and hold significance in various applications such as communication, radar, instrumentation,…

physics.optics2023★ 5 cited

Hydrogen-free low-temperature silica for next generation integrated photonics

Zheru Qiu, Zihan Li, Rui Ning Wang +4

The advances in novel low-loss "on insulator" integrated photonics platforms beyond silicon, such as thin-film LiNbO3, LiTaO3, GaP and BaTiO3 have demonstrated major potential acro…

physics.optics2023★ 33 cited

Free-electron interaction with nonlinear optical states in microresonators

Yujia Yang, Jan-Wilke Henke, Arslan S. Raja +10

The short de Broglie wavelength and strong interaction empower free electrons to probe scattering and excitations in materials and resolve the structure of biomolecules. Recent adv…

physics.optics2023★ 52 cited

Hertz-linewidth and frequency-agile photonic integrated extended-DBR lasers

Anat Siddharth, Alaina Attanasio, Grigory Lihachev +7

Recent advances in the development of ultra-low loss silicon nitride (Si3N4)-based photonic integrated circuits have allowed integrated lasers to achieve a coherence exceeding thos…

physics.app-ph2023★ 1 cited

Photonic-electronic integrated circuit-based coherent LiDAR engine

Anton Lukashchuk, Halil Kerim Yildirim, Andrea Bancora +8

Microelectronic integration is a key enabler for the ubiquitous deployment of devices in large volumes ranging from MEMS and imaging sensors to consumer electronics. Such integrati…

physics.optics2023★ 8 cited

A fully hybrid integrated Erbium-based laser

Yang Liu, Zheru Qiu, Xinru Ji +6

Erbium-doped fiber lasers exhibit high coherence and low noise as required for applications in fiber optic sensing, gyroscopes, LiDAR, and optical frequency metrology. Endowing Erb…

physics.optics2022★ 391 cited

A photonic integrated circuit based erbium-doped amplifier

Yang Liu, Zheru Qiu, Xinru Ji +7

Erbium-doped fiber amplifiers have revolutionized long-haul optical communications and laser technology. Erbium ions could equally provide a basis for efficient optical amplificati…

quant-ph2022★ 146 cited

Cavity-mediated electron-photon pairs

A. Feist, G. Huang, G. Arend +11

Advancing quantum information, communication and sensing relies on the generation and control of quantum correlations in complementary degrees of freedom. Here, we demonstrate the…

physics.optics2021★ 4 cited

Compact, spatial-mode-interaction-free, ultralow-loss, nonlinear photonic integrated circuits

Xinru Ji, Junqiu Liu, Jijun He +4

Nonlinear photonics based on integrated circuits has enabled applications such as parametric amplifiers, soliton frequency combs, supercontinua, and non-reciprocal devices. Ultralo…

physics.atom-ph2020★ 33 cited

Herriott-cavity-assisted all-optical atomic vector magnetometer

Bo Cai, Chuanpeng Hao, Zheru Qiu +3

We report an all-optical atomic vector magnetometer using dual Bell-Bloom optical pumping beams in a Rb vapor cell. This vector magnetometer consists of two orthogonal optical pump…

physics.atom-ph2018★ 14 cited

Interactions between non-resonant rf fields and atoms with strong spin-exchange collisions

Chuanpeng Hao, Zheru Qiu, Qi Sun +2

We study the interactions between oscillating non-resonant rf fields and atoms with strong spin-exchange collisions in the presence of a weak dc magnetic field. We find that the at…