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Tobias Kippenberg

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Related publications (465)

Coupling Free Electrons and Cavity Photons in a Transmission Electron Microscope

Rui Ning Wang, Tobias Kippenberg, Junqiu Liu, Arslan Sajid Raja, Guanhao Huang, Zheru Qiu, Yujia Yang

We couple free electrons to the optical modes of a photonic microring resonator. Inelastic electron scattering leads to the generation of cavity photons, correlated to the electrons in time and energy loss. ...

Institute of Electrical and Electronics Engineers Inc.2024

Broadband and high-gain continuous-wave parametric amplification in a Gallium Phosphide waveguide

Tobias Kippenberg, Alberto Nardi, Mikhail Churaev, Nikolai Kuznetsov, Alisa Davydova

We demonstrate the first broadband and high gain third-order parametric optical amplifier in a 5.5 cm long GaP waveguide spiral with up to 25 dB net gain off-chip and more than 10 dB amplification over a bandwidth of 140 nm. ...

Institute of Electrical and Electronics Engineers Inc.2024

Toward Quantum Networking with Frequency-Bin Qudits

Tobias Kippenberg, Junqiu Liu

Quantum networking holds tremendous promise in transforming computation and communication. Entangled-photon sources are critical for quantum repeaters and networking, while photonic integrated circuits are vital for miniaturization and scalability. In this ...

SPIE2024

Unifying Optical Frequency Metrology with Free-Electron Spectroscopy

Thomas La Grange, Rui Ning Wang, Tobias Kippenberg, Fabrizio Carbone, Arslan Sajid Raja, Alexey Sapozhnik, Yujia Yang

We establish a frequency link across the microwave, optical, and free-electron domains by a photonic chip-based electron phase modulator driven by a continuous-wave laser locked to a fully stabilized optical frequency comb. ...

Institute of Electrical and Electronics Engineers Inc.2024

New photonic integrated circuits offer high performance and scalable manufacturing

Tobias Kippenberg

Electro-optical devices that use wafers of lithium tantalate on an insulator have properties similar or superior to those of state-of-the-art lithium niobate-on-insulator wafers. They can also be made in larger volumes, at lower cost and using existing man ...

NATURE PORTFOLIO2024

Ultrabroadband thin-film lithium tantalate modulator for high-speed communications

Tobias Kippenberg, Mikhail Churaev, Zihan Li, Junyin Zhang

The continuous growth of global data traffic over the past three decades, along with advances in disaggregated computing architectures, presents significant challenges for optical transceivers in communication networks and high-performance computing system ...

2024

An Integrated Gallium Phosphide Travelling-Wave Optical Parametric Amplifier

Tobias Kippenberg, Alberto Nardi, Mikhail Churaev, Nikolai Kuznetsov, Alisa Davydova

We demonstrate optical continuous-travelling-wave parametric amplification in a 5.55-cm-long integrated gallium phosphide waveguide, achieving up to 35 dB of gain and significantly surpassing the bandwidth of erbium-doped fiber amplifiers. ...

Optical Society of America2024

Spectrally Sliced Optical Arbitrary Waveform Measurement (OAWM) Using a Photonic Multi-Chip Receiver Assembly

Tobias Kippenberg

We demonstrate the first spectrally sliced OAWM receiver assembly that combines slicing filters and optical receivers in a hybrid multi-chip module. We prove the viability of the device by receiving a wavelength-division-multiplexed signal over a bandwidth ...

Optical Society of America2024

Free-electron interaction with nonlinear optical states in microresonators

Rui Ning Wang, Tobias Kippenberg, Arslan Sajid Raja, Guanhao Huang, Alexey Tikan, Aleksandr Tusnin, Zheru Qiu, Yujia Yang

The short de Broglie wavelength and strong interaction empower free electrons to probe structures and excitations in materials and biomolecules. Recently, electron-photon interactions have enabled new optical manipulation schemes for electron beams. In thi ...

American Association for the Advancement of Science2024

Low temperature optical waveguide device fabrication method

Tobias Kippenberg, Zheru Qiu, Zihan Li

The present invention concerns an optical waveguide device fabrication method comprising providing at least one optical waveguide or optical waveguide core; and depositing at least one silicon dioxide layer or material onto the at least one optical wavegui ...

2024

Voltage-tunable optical parametric oscillator with an alternating dispersion dimer integrated on a chip

Tobias Kippenberg, Anton Stroganov, Alexey Tikan, Aleksandr Tusnin

Optical parametric oscillators enable the conversion of pump light to new frequency bands using nonlinear optical processes. Recent advances in integrated nonlinear photonics have led to the creation of compact, chip-scale sources via Kerr-nonlinearity-ind ...

Optica Publishing Group2023

Lithium-niobate-based narrow-linewidth frequency agile integrated lasers with petahertz frequency tuning rate

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

We demonstrate an electro-optically tunable hybrid integrated laser self-injection locked to a mode of a heterogeneously integrated lithium-niobate-on-Damascene-silicon-nitride microresonator. An intrinsic linewidth of 3 kHz and a frequency tuning rate of ...

IEEE2023

Frequency agile photonic integrated external cavity laser

Rui Ning Wang, Tobias Kippenberg, Andrey Voloshin, Anat Siddharth, 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

High-density lithium niobate integrated photonics

Tobias Kippenberg, Mikhail Churaev, Anat Siddharth, Zihan Li

We demonstrate a strip waveguide-based LiNbO3 photonic integrated circuit fabricated with a novel hard mask, diamond-like-carbon (DLC). The steep sidewall configuration exhibits tight optical confinement and dispersion control while preserving ultra-low lo ...

Optical Society of America2023

A hertz-linewidth Erbium laser based on photonic integrated circuits

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

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

Edge state optical frequency combs in the microresonator based Su-Schrieffer-Heeger model

Tobias Kippenberg, Xinru Ji, Alexey Tikan, Aleksandr Tusnin

We demonstrate the first observation of optical frequency combs at the edge state of the Su-Schrieffer-Heeger model. We show soliton-induced edge-bulk interaction and edge-state hopping. ...

Optical Society of America2023

Single-frequency violet and blue laser emission from AlGaInN photonic integrated circuit chips

Tobias Kippenberg, Anat Siddharth

Chip-based, single-frequency and low phase-noise integrated photonic laser diodes emitting in the violet (412 nm) and blue (461 nm) regime are demonstrated. The GaN-based edge-emitting laser diodes were coupled to high-quality on-chip micro-resonators for ...

Optica Publishing Group2023

Sub-kHz-Linewidth External-Cavity Laser (ECL) With Si3N4 Resonator Used as a Tunable Pump for a Kerr Frequency Comb

Tobias Kippenberg, Junqiu Liu

Combining optical gain in direct-bandgap III-V materials with tunable optical feedback offered by advanced photonic integrated circuits is key to chip-scale external-cavity lasers (ECL), offering wideband tunability along with low optical linewidths. Exter ...

IEEE Institute of Electrical and Electronics Engineers2023

Dispersion engineering with coupled microresonators for extended soliton microcomb control

Tobias Kippenberg, Alexey Tikan, Aleksandr Tusnin

We investigate coupled-resonator dispersion engineering capabilities for con-trolling the shape of the soliton microcomb in real time. ...

Optical Society of America2023

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

Rui Ning Wang, Tobias Kippenberg, 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

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