Publications by Tobias Herr | EPFL Graph Search

Related publications (27)

Photonic chip-based resonant supercontinuum via pulse-driven Kerr microresonator solitons

Tobias Kippenberg, Junqiu Liu, Wenle Weng, Miles Henry Anderson, Tobias Herr, Romain Dany Bruno Bouchand

Supercontinuum generation and soliton microcomb formation both represent key techniques for the formation of coherent, ultrabroad optical frequency combs, enabling the RF-to-optical link. Coherent supercontinuum generation typically relies on ultrashort pu ...

2021

Thermally stable access to microresonator solitons via slow pump modulation

Tobias Kippenberg, Junqiu Liu, Victor Brasch, Tobias Herr

Temporal dissipative Kerr solitons (DKSs) in microresonators provide ultra-short optical pulses and low-noise frequency combs with gigahertz to terahertz repetition rates. Owing to their unique properties, they have found application in fields, including o ...

OPTICAL SOC AMER2019

A microphotonic astrocomb

Tobias Kippenberg, Junqiu Liu, Miles Henry Anderson, Tobias Herr, Michael Wolfgang Geiselmann, Stefan Kundermann

Earth-like planets, dark energy and variability of fundamental physical constants can be discovered by observing wavelength shifts in the optical spectra of astronomical objects(1-5). These wavelength shifts are so tiny that exquisitely accurate and precis ...

Nature Publishing Group2019

Terabit/s communications using chip-scale frequency comb sources

Tobias Kippenberg, Victor Brasch, Tobias Herr

High-speed optical interconnects rely on advanced wavelength-division multiplexing (WDM) schemes. However, while photonic-electronic interfaces can be efficiently realized on silicon-on-insulator chips, dense integration of the necessary light sources stil ...

Spie-Int Soc Optical Engineering2015

Simulating supercontinua from mixed and cascaded nonlinearities

Luis Guillermo Villanueva Torrijo, Victor Brasch, Tobias Herr, Furkan Ayhan, Thibault Voumard

Nonlinear optical frequency conversion is of fundamental importance in photonics and underpins countless of its applications: Sum- and difference-frequency generation in media with quadratic nonlinearity permits reaching otherwise inaccessible wavelength r ...

AIP Publishing2023

Generating optical pulses via a soliton state of an optical microresonator

Tobias Kippenberg, Tobias Herr

A light pulse source (100), being adapted for generating repetitive optical pulses, comprises a continuous wave (cw) laser (10) being arranged for providing cw laser light, an optical microresonator (20) being made of a resonator material, which has a thir ...

2016

Heteronuclear soliton molecules in optical microresonators

Tobias Kippenberg, Wenle Weng, Erwan Guillaume Albert Lucas, Tobias Herr, Romain Dany Bruno Bouchand

Optical soliton molecules are bound states of solitons that arise from the balance between attractive and repulsive effects. Having been observed in systems ranging from optical fibres to mode-locked lasers, they provide insights into the fundamental inter ...

Nature Research2020

Temporal solitons in optical microresonators

Tobias Kippenberg, Victor Brasch, Tobias Herr, John David Jost

Temporal dissipative solitons in a continuous-wave laser-driven nonlinear optical microresonator were observed. The solitons were generated spontaneously when the laser frequency was tuned through the effective zero detuning point of a high-Q resonance, wh ...

Nature Publishing Group2014

Octave Spanning Tunable Frequency Comb from a Microresonator

Tobias Kippenberg, Tobias Herr, Emanuel Gavartin

We report the generation of an octave-spanning optical frequency comb in a continuous wave laser pumped microresonator. The generated comb spectrum covers the wavelength range from 990 to 2170 nm without relying on additional external broadening. Continuou ...

2011

Photonic chip-based optical frequency comb using soliton Cherenkov radiation

Tobias Kippenberg, Martin Hubert Peter Pfeiffer, Victor Brasch, Tobias Herr, Michael Wolfgang Geiselmann

Optical solitons are propagating pulses of light that retain their shape because nonlinearity and dispersion balance each other. In the presence of higher-order dispersion, optical solitons can emit dispersive waves via the process of soliton Cherenkov rad ...

American Association for the Advancement of Science2015

Coherent terabit communications with microresonator Kerr frequency combs

Tobias Kippenberg, Victor Brasch, Tobias Herr, Jingshi Li

Optical frequency combs have the potential to revolutionize terabit communications(1). The generation of Kerr combs in nonlinear microresonators(2) is particularly promising(3), enabling line spacings of tens of gigahertz. However, such combs may exhibit s ...

Nature Publishing Group2014

Counting the cycles of light using a self-referenced optical microresonator

Tobias Kippenberg, Martin Hubert Peter Pfeiffer, Victor Brasch, Tobias Herr, John David Jost, Caroline Marie Anne Lecaplain

Phase coherently linking optical-to-radio frequencies with femtosecond mode-locked laser frequency combs has enabled counting the cycles of light and is the basis of optical clocks, absolute frequency synthesis, tests of fundamental physics, and improved s ...

Optical Soc Amer2015

Universal formation dynamics and noise of Kerr-frequency combs in microresonators

Tobias Kippenberg, Tobias Herr, Emanuel Gavartin

Optical frequency combs allow for the precise measurement of optical frequencies and are used in a growing number of applications. The new class of Kerr-frequency comb sources, based on parametric frequency conversion in optical microresonators, can comple ...

Nature Publishing Group2012

Mid-infrared optical frequency combs at 2.5 mu m based on crystalline microresonators

Tobias Kippenberg, Tobias Herr, Albert Schliesser

The mid-infrared spectral range (lambda similar to 2-20 mu m) is of particular importance as many molecules exhibit strong vibrational fingerprints in this region. Optical frequency combs-broadband optical sources consisting of equally spaced and mutually ...

Nature Publishing Group2013

Resonant Supercontinuum Generation in Normal and Anomalous Dispersion

Tobias Kippenberg, Junqiu Liu, Wenle Weng, Tobias Herr, Miles Henry Anderson

We demonstrate broadband resonant supercontinuum generation based on stable bright soliton formation in Si3N4 microresonators with either anomalous or normal dispersion. The frequency combs have an electronically detectable repetition rate of 28 GHz, and s ...

IEEE2020

Resonant dissipative Kerr soliton supercontinuum in the normal dispersion regime

Tobias Kippenberg, Junqiu Liu, Miles Henry Anderson, Tobias Herr

We demonstrate broadband resonant supercontinuum generation in a Si3N4 microresonator with normal dispersion. Rectangular bright pulses are shown to form directly using synchronous pulse-driving, generating a 2,600-line comb at 28 GHz repetition rate. (C) ...

IEEE2020

Heteronuclear Soliton Molecules in Optical Microresonators

Tobias Kippenberg, Erwan Guillaume Albert Lucas, Wenle Weng, Tobias Herr, Romain Dany Bruno Bouchand

We enter the multi-stability regime of an optical microresonator to generate heteronuclear soliton molecules. Ultrafast electro-optical sampling reveals the bound structures of such soliton molecules, despite comprising solitons of dissimilar amplitudes, d ...

IEEE2019

Phase Noise and Dispersion in integrated Silicon Nitride based Kerr-Comb generators

Tobias Kippenberg, Tobias Herr, Emanuel Gavartin

We report on measurements of phase noise dynamics of microwave beat notes observed in low repetition rate silicon nitride based Kerr-comb generators and relate them to results from dispersion simulations and measurements. (C) 2011 Optical Society of Americ ...

Ieee2012

Multi-Terabit/s Transmission Using Chip-Scale Frequency Comb Sources

Tobias Kippenberg, Victor Brasch, Tobias Herr

Chip-scale frequency comb sources are likely to become key elements of future terabit/s optical transceivers. We investigate and demonstrate the viability of different comb generation schemes for transmission at multiterabit/s data rates. ...

Ieee2016

Silicon-organic hybrid (SOH) devices and their use in comb-based communication systems

Tobias Kippenberg, Victor Brasch, Tobias Herr

Advanced wavelength-division multiplexing (WDM) requires both efficient multi-wavelength light sources to generate optical carriers and highly scalable photonic-electronic interfaces to encode data on these carriers. In this paper, we give an overview on o ...

Ieee2016