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Rui Ning Wang

Cette personne a quitté l’EPFL

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Publications associées (81)

Page 4 sur 5

Sub-kHz linewidth, high power, frequency agile photonic integrated E-DBR laser

Tobias Kippenberg, Rui Ning Wang, Johann Emmeram Riemensberger, Anat Siddharth, Zheru Qiu, Xinru Ji

We demonstrate a novel class of lasers, based on the hybrid integration of an RSOA with an extended-distributed Bragg reflector (E-DBR) laser cavity implemented on a Si3N4 chip with microheaters. This enables us to reach sub-kHz laser linewidth with more t ...

Optical Society of America2023

Stabilization of SiN Kerr Solitons for the calibration of astronomical spectrographs

Tobias Kippenberg, Rui Ning Wang, Anat Siddharth, Miles Henry Anderson, Xinru Ji

We demonstrate a stabilization scheme for dissipative Kerr solitons in SiN-resonators achieving high comb stability and long-term operation. Measuring 10Hz level absolute Kerr comb line stability (at 1 second) close to the pump, resulting in kHz level stab ...

Optical Society of America2023

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

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

IEEE2021

Fully self-contained turn-key soliton microcomb source

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

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

Frequency agile photonic integrated external cavity laser

Diego Aldo Julius Visani, Tobias Kippenberg, Rui Ning Wang, Johann Emmeram Riemensberger, Anat Siddharth, Andrey Voloshin, Viacheslav Snigirev, Andrea Bancora, Vladimir Shadymov

We demonstrate a Vernier ring laser with linear frequency tuning of 1.5 GHz at 100 kHz chirp rate and wavelength switching with 7 ns rise time and 75 nW power consumption using Si3N4 photonic chip with integrated PZT actuators. ...

Optical Society of America2023

Ferroelectric device or structure and a method for producing ferroelectric devices or structures

Tobias Kippenberg, Rui Ning Wang, Zelin Tan

The present invention concerns a method for producing at least one ferroelectric device or structure comprising the steps of providing at least one ferroelectric material or layer, or providing at least one ferroelectric material or layer to be patterned o ...

2023

Large-Scale Photonic Chip Based Pulse Interleaver for Low-Noise Microwave Generation

Tobias Kippenberg, Rui Ning Wang, Zheru Qiu, Xinru Ji

We demonstrate a 64-times multiplication of a mode-locked laser’s 217 MHz pulse repetition rate to 14 GHz using an integrated Si3N4 interleaver. Six cascaded stages of Mach-Zehnder interferometers with up to 33 cm long optical delay lines are fully integra ...

Springer Science and Business Media Deutschland GmbH2024

Dissipative Kerr solitons in a photonic dimer

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

We study nonlinear dynamics emerging in a photonic microring dimer. It is shown that four wave mixing pathways between the dimer supermodes lead to novel nonlinear phenomena going beyond the single resonator physics. (C) 2020 The Author(s) ...

IEEE2020

A hertz-linewidth Erbium laser based on photonic integrated circuits

Tobias Kippenberg, Rui Ning Wang, Johann Emmeram Riemensberger, Zheru Qiu, Xinru Ji

We demonstrate a photonic integrated circuit-based Erbium laser by endowing an ultralow-loss silicon nitride integrated optical cavity with Erbium-based gain. The free-running laser achieves 50 Hz intrinsic linewidth, 17 mW output power, and 40 nm waveleng ...

Optical Society of America2023

Low-temperature and hydrogen-free silicon dioxide cladding for integrated photonics

Tobias Kippenberg, Rui Ning Wang, Zheru Qiu, Zihan Li

We demonstrate a hydrogen-free low-loss silicon oxide film deposited with SiCl4 and O2 precursor. A very wide low-loss window of 1300 nm to 1620 nm is achieved at deposition temperature as low as 300 ◦C. ...

Optical Society of America2023

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

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

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

Integrated turnkey soliton microcombs operated at CMOS frequencies

Tobias Kippenberg, Junqiu Liu, Rui Ning Wang, Jijun He, Tianyi Liu

We experimentally discovered and theoretically explain a novel turnkey regime for operation of soliton microcombs, wherein a new operating point enables the direct access of the soliton state by simple turn-on of the pump laser. (C) 2020 The Author(s) ...

IEEE2020

Laser Self-Injection Locked Frequency Combs in a Normal GVD Integrated Microresonator

Tobias Kippenberg, Junqiu Liu, Rui Ning Wang, Erwan Guillaume Albert Lucas, Jijun He, Arslan Sajid Raja, John David Jost

We report the first demonstration of microresonator dark pulse generation by self-injection locking of a DFB laser to a Si3N4 microresonator with normal GVD. The 26 GHz repetition rate beatnote is characterized. (C) 2020 The Author(s) ...

IEEE2020

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

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

IEEE2021

Lithium-Niobate-Based Frequency-Agile Integrated Lasers

Tobias Kippenberg, Junqiu Liu, Rui Ning Wang, Guanhao Huang, Anat Siddharth, Mikhail Churaev, Viacheslav Snigirev, Grigorii Likhachev

We demonstrate narrow- linewidth ultrafast tunable integrated lasers based on heterogeneously integrated thin-film lithium niobate on ultra-low loss silicon nitride integrated photonic circuits. Using self-injection locking of a hybrid microresonator, we a ...

IEEE2022

Low-noise frequency-agile photonic integrated lasers for coherent ranging

Tobias Kippenberg, Junqiu Liu, Rui Ning Wang, Johann Emmeram Riemensberger, Wenle Weng, Jijun He, Anat Siddharth, Andrey Voloshin, Viacheslav Snigirev, Vladimir Shadymov

Stable and tunable integrated lasers are fundamental building blocks for applications from spectroscopy to imaging and communication. Here the authors present a narrow linewidth hybrid photonic integrated laser with low frequency noise and fast linear wave ...

Nature Portfolio2022

Time-continuous Travelling-Wave Optical Parametric Amplification in a Photonic Circuit

Tobias Kippenberg, Junqiu Liu, Rui Ning Wang, Johann Emmeram Riemensberger, Jijun He, Nikolai Kuznetsov

We demonstrate a traveling wave parametric amplifier in a photonic Si3N4 integrated spiral waveguide of 2.0 m length with footprint 3x5 mm. We achieve net gain of 7 dB on-chip and 2 dB fiberto-fiber in the optical C-band. (C) 2022 The Author(s) ...

IEEE2022

Symmetry protection against mode crossings in multimode photonic resonator chains

Tobias Kippenberg, Junqiu Liu, Rui Ning Wang, Mikhail Churaev, Alexey Tikan, Xinru Ji, 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

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

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

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

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

Tobias Kippenberg, Junqiu Liu, Rui Ning Wang, Wenle Weng, Anat Siddharth, Terence Albert Emile Blésin

IEEE2021