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Rui Ning Wang

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Publications associées (81)

A photonic integrated circuit-based erbium-doped amplifier

Rui Ning Wang, Tobias Kippenberg, Junqiu Liu, Anton Lukashchuk, Jijun He, Xinru Ji, Yang Liu, Zheru Qiu

Erbium-doped fiber amplifiers revolutionized long-haul optical communications and laser technology. Erbium ions could provide a basis for efficient optical amplification in photonic integrated circuits but their use remains impractical as a result of insuf ...

American Association for the Advancement of Science2022

Compact, Spatial-mode-interaction-free, Ultralow-loss, Nonlinear photonic integrated circuits

Rui Ning Wang, Tobias Kippenberg, Junqiu Liu, Jijun He, Xinru Ji, Zheru Qiu

We implement Euler bends to build compact high-Q Si3N4 racetrack microresonators, featuring a small footprint of only 0.21 mm(2) for 19.8 GHz FSR. We demonstrate that these multi-mode microresonators can be operated in the single-mode regime and generate a ...

IEEE2022

Platicon microcomb generation using laser self-injection locking

Rui Ning Wang, Tobias Kippenberg, Junqiu Liu, Miles Henry Anderson, Wenle Weng, Jijun He, Yang Liu

The past decade has witnessed major advances in the development and system-level applications of photonic integrated microcombs, that are coherent, broadband optical frequency combs with repetition rates in the millimeter-wave to terahertz domain. Most of ...

Nature Portfolio2022

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

Rui Ning Wang, Tobias Kippenberg, Junqiu Liu, Jijun He, Xinru Ji, Zheru Qiu

Multi-mode waveguides are ubiquitously used in integrated photonics. Although interaction among different spatial waveguide eigenmodes can induce novel nonlinear phenomena, spatial mode interaction is typically undesired. Adiabatic bends, such as Euler ben ...

NATURE PORTFOLIO2022

Emergent nonlinear phenomena in a driven dissipative photonic dimer

Rui Ning Wang, Tobias Kippenberg, Kenichi Komagata, Hairun Guo, Junqiu Liu, Mikhail Churaev, Alexey Tikan

Collective effects leading to spatial, temporal or spatiotemporal pattern formation in complex nonlinear systems driven out of equilibrium cannot be described at the single-particle level and are therefore often called emergent phenomena. They are characte ...

NATURE RESEARCH2021

Nonlinear Frequency Conversion in the Hybrid Silicon Nitride - Lithium Niobate Integrated Platform

Rui Ning Wang, Tobias Kippenberg, Junqiu Liu, Mikhail Churaev, Viacheslav Snigirev

We demonstrate optical frequency comb generation in hybrid high-Q optical microresonators fabricated using direct wafer bonding of photonic Damascene silicon nitride wafer with thin-film lithium niobate-on-insulator (LNOI). The devices enable direct phase ...

IEEE2021

Nonlinear Frequency Conversion in the Hybrid Si3N4 - LiNbO3 Integrated Platform

Rui Ning Wang, Tobias Kippenberg, Junqiu Liu, Mikhail Churaev, Viacheslav Snigirev

IEEE2021

Continuous-wave electron-photon interactions using chip-based high-Q Si3N4 microresonator

Rui Ning Wang, Tobias Kippenberg, Junqiu Liu, Arslan Sajid Raja, Guanhao Huang

We observe CW-driven electron-photon interaction using a fiber-integrated high-Q Si3N4 microresonator, enabled by strong resonantly enhanced coupling with the confined optical mode. (C) 2021 The Author(s) ...

IEEE2021

Fully self-contained turn-key soliton microcomb source

Rui Ning Wang, Tobias Kippenberg, John David Jost, Junqiu Liu, Grigorii Likhachev, Arslan Sajid Raja, Jijun He

We demonstrate a turn-key microcomb source based on 100 GHz Si3N4 ring microresonator. The device is fully optically and electronically integrated in a compact box, which runs by pushing one button. ...

IEEE2021

Symmetry protection against mode crossings in multimode photonic resonator chains

Rui Ning Wang, Tobias Kippenberg, Kenichi Komagata, Junqiu Liu, Mikhail Churaev, Xinru Ji, Alexey Tikan, Aleksandr Tusnin

The accessibility of solitons in driven-dissipative photonic dimers drastically varies for different supermode families. We explain the origin of this phenomenon and show its crucial influence on any soliton lattice configuration including topological arra ...

IEEE2021

320 GHz Analog-to-Digital Converter Exploiting Kerr Soliton Combs and Photonic-Electronic Spectral Stitching

Rui Ning Wang, Tobias Kippenberg, Junqiu Liu, Grigorii Likhachev, Anton Lukashchuk, Viacheslav Snigirev

We demonstrate a photonic-electronic analog-to-digital converter (ADC) offering a record-high acquisition bandwidth of 320 GHz. The system combines a high-speed electro-optic modulator with a Kerr comb for spectrally sliced coherent detection and is used f ...

IEEE2021

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

Rui Ning Wang, Tobias Kippenberg, Junqiu Liu, Arslan Sajid Raja, Nils Johan Engelsen, Guanhao Huang, Jijun He, Tianyi Liu

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 these into a widespread technology, attaining ultralow optical losses with est ...

Nature Research2021

Optical Gyrator and Microwave-to-Optical Converter using HBAR modes

Rui Ning Wang, Tobias Kippenberg, Junqiu Liu, Wenle Weng, Anat Siddharth

IEEE2021

Difference-frequency generation in optically poled silicon nitride waveguides

Rui Ning Wang, Tobias Kippenberg, Camille Sophie Brès, Junqiu Liu, Edgars Nitiss, Ozan Yakar, Boris Zabelich, Ezgi Sahin

Difference-frequency generation (DFG) is elemental for nonlinear parametric processes such as optical parametric oscillation and is instrumental for generating coherent light at long wavelengths, especially in the middle infrared. Second-order nonlinear fr ...

WALTER DE GRUYTER GMBH2021

Symmetry protection against mode crossings for dissipative Kerr soliton generation in microresonator chains

Rui Ning Wang, Tobias Kippenberg, Kenichi Komagata, Junqiu Liu, Mikhail Churaev, Xinru Ji, Alexey Tikan, Aleksandr Tusnin

IEEE2021

Magnetic-free silicon nitride integrated optical isolator

Rui Ning Wang, Tobias Kippenberg, Junqiu Liu, Jijun He, Anat Siddharth

Integrated photonics enables signal synthesis, modulation and conversion using photonic integrated circuits (PICs). Many materials have been developed, among which silicon nitride (Si3N4) has emerged as a leading platform particularly for nonlinear photoni ...

Nature Publishing Group2021

Low-noise, Frequency-agile, Hybrid Integrated Laser for LiDAR

Rui Ning Wang, Tobias Kippenberg, Junqiu Liu, Wenle Weng, Jijun He, Anat Siddharth, Viacheslav Snigirev

We demonstrate a hybrid photonic integrated laser with intrinsic linewidth of 40 Hz, while offering megahertz actuation bandwidth with the tuning range larger than 1 GHz, attained by a DFB laser self-injection locking to a high-Q Si3N4 microresonator with ...

IEEE2021

Magnetic-free Nitride Optical Isolator on Chip

Rui Ning Wang, Tobias Kippenberg, Junqiu Liu, Jijun He, Anat Siddharth

We demonstrated a magnetic-free optical isolator for Si3N4 photonics using AlN piezoelectric actuators. Maximum of 10 dB isolation and

IEEE2021

Simulating Mold Risks under Future Climate Conditions

Rui Ning Wang, Tobias Kippenberg, Junqiu Liu, Wenle Weng, Jijun He, Anat Siddharth, Viacheslav Snigirev

This research tests the potential susceptibility of a prevalent, residential, wall assembly to the risk of sustained mold-growth in predicted future climate conditions. Here, the authors demonstrate a methodology that combines hygrothermal and mold-growth ...

IEEE2021

Continuous-wave electron-light interaction in high-Q whispering gallery microresonators

Rui Ning Wang, Tobias Kippenberg, Junqiu Liu, Arslan Sajid Raja, Guanhao Huang

IEEE2021

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