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Frequency combs and coherent dissipative structures in nonlinear optical microresonators
Tobias Herr, Alexey Tikan, Tobias J. Kippenberg
Laser-driven high-Q Kerr-nonlinear optical microresonators enable parametric oscillation with low-power continuous-wave lasers and host a variety of coherent dissipative structures…
Watt-class CMOS-compatible power amplifier
Neetesh Singh, Jan Lorenzen, Kai Wang +8
Power amplifier is becoming a critical component for integrated photonics as the integrated devices try to carve out a niche in the world of real-world applications of photonics. T…
Chip-scale, CMOS-compatible, high energy passively Q-switched laser
Neetesh Singh, Jan Lorenzen, Milan Sinobad +13
Chip-scale, high-energy optical pulse generation is becoming increasingly important as we expand activities into hard to reach areas such as space and deep ocean. Q-switching of th…
Synthetic-reflection self-injection-locked microcombs
Alexander E. Ulanov, Thibault Wildi, Nikolay G. Pavlov +3
Laser-driven microresonators have enabled chip-integrated light sources with unique properties, including the self-organized formation of ultrashort soliton pulses and frequency co…
Soliton Pulses in Photonic Crystal Fabry-Perot Microresonators
Thibault Wildi, Mahmoud A. Gaafar, Thibault Voumard +2
Dissipative Kerr solitons (DKSs) in high-Q microresonators enable applications in sensing, communication, and signal processing. Until now, DKSs driven by continuous-wave (CW) lase…
Dual-comb cavity ring-down spectroscopy
D. Lisak, D. Charczun, A. Nishiyama +10
Cavity ring-down spectroscopy is a ubiquitous optical method used to study light-matter interactions with high resolution, sensitivity and accuracy. However, it has never been perf…
A Kerr Polarization Controller
Niall Moroney, Leonardo Del Bino, Shuangyou Zhang +10
Kerr-effect-induced changes of the polarization state of light are well known in pulsed laser systems. An example is nonlinear polarization rotation, which is critical to the opera…
Dual-Comb Real-Time Molecular Fingerprint Imaging
T. Voumard, T. Wildi, V. Brasch +3
Hyperspectral imaging provides spatially resolved spectral information. Utilising dual frequency combs as active illumination sources, hyperspectral imaging with ultra-high spectra…
Photo-acoustic dual-frequency comb spectroscopy
Thibault Wildi, Thibault Voumard, Victor Brasch +2
Photo-acoustic spectroscopy (PAS) is one of the most sensitive non-destructive analysis techniques for gases, fluids and solids. It can operate background-free at any wavelength an…
Photonic chip-based resonant supercontinuum
Miles H. Anderson, Romain Bouchand, Junqiu Liu +4
Supercontinuum generation in optical fibers is one of the most dramatic nonlinear effects discovered, allowing short pulses to be converted into multi-octave spanning coherent spec…
Visible blue-to-red 10 GHz frequency comb via on-chip triple-sum frequency generation
Ewelina Obrzud, Victor Brasch, Thibault Voumard +6
A broadband visible blue-to-red, 10 GHz repetition rate frequency comb is generated by combined spectral broadening and triple-sum frequency generation in an on-chip silicon nitrid…
Nonlinear filtering of an optical pulse train using dissipative Kerr solitons
Victor Brasch, Ewelina Obrzud, Steve Lecomte +1
The capability to store light for extended periods of time enables optical cavities to act as narrow-band optical filters, whose linewidth corresponds to the cavity's inverse energ…
Heteronuclear soliton molecules in optical microresonators
Wenle Weng, Romain Bouchand, Erwan Lucas +3
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 fi…
Broadband near-infrared astronomical spectrometer calibration and on-sky validation with an electro-optic laser frequency comb
Ewelina Obrzud, Monica Rainer, Avet Harutyunyan +10
The quest for extrasolar planets and their characterisation as well as studies of fundamental physics on cosmological scales rely on capabilities of high-resolution astronomical sp…
Frequency comb up- and down-conversion in a synchronously-driven optical microresonator
Simon J. Herr, Victor Brasch, Jan Szabados +6
Optical frequency combs are key to optical precision measurements. While most frequency combs operate in the near-infrared regime, many applications require combs at mid-infrared,…
A Microphotonic Astrocomb
E. Obrzud, M. Rainer, A. Harutyunyan +13
One of the essential prerequisites for detection of Earth-like extra-solar planets or direct measurements of the cosmological expansion is the accurate and precise wavelength calib…
Temporal Solitons in Microresonators driven by Optical Pulses
Ewelina Obrzud, Steve Lecomte, Tobias Herr
Continuous-wave laser driven Kerr-nonlinear, optical microresonators have enabled a variety of novel applications and phenomena including the generation of optical frequency combs,…
Counting the Cycles of Light using a Self-Referenced Optical Microresonator
J. D. Jost, T. Herr, C. Lecaplain +3
Phase coherently linking optical to radio frequencies with femtosecond mode-locked laser frequency combs enabled counting the cycles of light and is the basis of optical clocks, ab…
Photonic chip based optical frequency comb using soliton induced Cherenkov radiation
Victor Brasch, Tobias Herr, Michael Geiselmann +4
By continuous wave pumping of a dispersion engineered, planar silicon nitride microresonator, continuously circulating, sub-30fs short temporal dissipative solitons are generated,…
Mode spectrum and temporal soliton formation in optical microresonators
T. Herr, V. Brasch, J. D. Jost +4
The formation of temporal dissipative solitons in optical microresonators enables compact, high repetition rate sources of ultra-short pulses as well as low noise, broadband optica…
Coherent terabit communications with microresonator Kerr frequency combs
Joerg Pfeifle, Victor Brasch, Matthias Lauermann +14
Optical frequency combs enable coherent data transmission on hundreds of wavelength channels and have the potential to revolutionize terabit communications. Generation of Kerr comb…
Temporal solitons in optical microresonators
T. Herr, V. Brasch, J. D. Jost +4
Dissipative solitons can emerge in a wide variety of dissipative nonlinear systems throughout the fields of optics, medicine or biology. Dissipative solitons can also exist in Kerr…
Dispersion engineered high-Q silicon Nitride Ring-Resonators via Atomic Layer Deposition
Johann Riemensberger, Klaus Hartinger, Tobias Herr +3
We demonstrate dispersion engineering of integrated silicon nitride based ring resonators through conformal coating with hafnium dioxide deposited on top of the structures via atom…
Universal Dynamics of Kerr Frequency Comb Formation in Microresonators
T. Herr, J. Riemensberger, C. Wang +5
Optical frequency combs allow for precise measurement of optical frequencies and are used in a growing number of applications beyond spectroscopy and optical frequency metrology. A…