Publications

2024

Ultraviolet astronomical spectrograph calibration with laser frequency combs from nanophotonic lithium niobate waveguides       
Nature Communications 15, 7614 (2024)
M. Ludwig, F. Ayhan, T. m. Schmidt, T. Wildi, T. Voumard, R. Blum, Z. C. Ye, F. C. Lei, F. Wildi, F. Pepe, M. A. Gaafar, E. Obrzud,                                                 
 D. Grassani, O. Hefti, S. Karlen, S. Lecomte, F. Moreau, B. Chazelas, R. Sottile, V. Torres-Company, V. Brasch, L. G. Villanueva, F. Bouchy, and T. Herr

(Editorial)  Optical frequency combs: driving precision across the fundamental and applied research domains
APL Photonics 9, 060401 (2024)
T. Fortier and V. Torres-Company

Active feedback stabilization of super-efficient soliton microcombs       
Optics Letters 49, 2325 (2024)
I. Rebolledo-Salgado, O. B. Helgason, V. Duran, M. Girardi, M. Zelan, and V. Torres-Company

Self-injection-locked optical parametric oscillator based on microcombs   
Optica 11, 420 (2024)
F. Lei, Y. Sun, O. B. Helgason, Z. C. Ye, Y. Gao, M. Karlsson, P. A. Andrekson and V. Torres-Company

Polarization-insensitive silicon nitride photonic receiver at 1µm for optical interconnects       
IEEE Photonics Journal 16, 2200507 (2024)
A. Caut, V. Shekhawat, V. Torres-Company, and M. Karlsson

Channel scalability of silicon nitride (de-)multiplexers for optical interconnects at 1µm
Journal of Lightwave Technology 42, 276 (2024)
A. Caut, M. Girardi, V. Torres-Company, A. Larsson, and M. Karlsson

2023

Surpassing the nonlinear conversion efficiency of soliton microcombs       
Nature Photonics 17, 992 (2023)
O. B. Helgason, M. Girardi, Z. Ye, F. Lei, J. Schröder, and V. Torres-Company

Platicon dynamics in photonic molecules       
Communication Physics 6, 303 (2023)
I. Rebolledo-Salgado, C. Quevedo-Galan, O. B. Helgason, A. Lööf, Z. C. Ye, F. C .Lei, J. Schröder, M. Zelan, and V. Torres-Company

Hyperparametric oscillation via bound states in the continuum       
Physical Review Letters 130, 093801 (2023)
F. Lei, Z. Ye, K. Twayana, Y. Gao, M. Girardi, O. B. Helgason, P. Zhao, and V. Torres-Company

Vernier microcombs for high-frequency carrier envelope offset and repetition rate detection       
Optica 10, 626 (2023)
K. Wu, N. P. O'Malley, S. Fatema, C. Wang, M. Girardi, M. S. Alshayh, Z. Ye, D. E. Leaird, M. Qi, V. Torres-Company and A. M.           Weiner

Thermorefractive noise reduction of photonic molecule microcombs using an all-optical servo loop     Optics Express 31, 35208 (2023)
J. Connor Skehan, A. N. Karunakaran, P. Varming, O. Helgason, P. B. Montague, J. Schröder, M. Pu, K. Yvind, V. Torres-Company and P. Andrekson

Compact lithium niobate microring resonators in the ultrahigh Q/V regime       
Optics Letters 48, 3949 (2023)
Y. Gao, F. C. Lei, M. Girardi, Z. C. Ye, R. VanLaer, V. Torres-Company and J. Schröder

Multilayer integration in silicon nitride: decoupling linear and nonlinear functionalities for ultralow loss photonicv integrated circuits
Optics Express 31, 31435 (2023)
M. Girardi, O. B. Helgason, A. Caut, M. Karlsson, A. Larsson and V. Torres-Company

2022

Petabit-per-second data transmission using a chip-scale microcomb ring resonator source​​​​       
Nature Photonics 16, 798 (2022)
A. A. Jørgensen, D. Kong, M. R. Henriksen, F. Klejs, Z. Ye, O. B. Helgason, H. E. Hansen, H. Hu, M. Yankov, S. Forchammer, P. Andrekson, A. Larsson, M. Karlsson, J. Schröder, Y. Sasaki, K. Aikawa, J. W. Thomsen, T. Morioka, M. Galili, V. Torres-Company, and L. K. Oxenløwe

Dual-comb swept-wavelength interferometry: theory and experiment
Journal of Lightwave Technology 40, 6508 (2022)
E. Deriushkina, I. Rebolledo-Salgado, M. Mazur, V. Torres-Company, P. A. Andrekson, J. Schröder, and M. Karlsson

Differential phase reconstruction of microcombs
Optics Letters 47, 3351 (2022)
K. Twayana, F. C. Lei, Z. C. Ye, I. Rebolledo-Salgado, O. B. Helgason, M. Karlsson and V. Torres-Company

Widely tunable narrow linewidth laser source based on photonic molecule microcombs and optical injection locking
Optics Express 30, 22388 (2022)
J. K. Skehan, O. B. Helgason, J. Schröder, V. Torres-Company and P. A. Andrekson

Optical linewidth of soliton microcombs
Nature Communications 13, 3161 (2022)
F. Lei, Z. C. Ye, O. B. Helgason, A. Fülöp, M. Girardi  and V. Torres-Company

Spectral interferometry with frequency combs (invited)
Micromachines 13, 6141 (2022)
K. Twayana, I. Rebolledo-Salgado, E. Deriushkina, J. Schröder, M. Karlsson and V. Torres-Company

Coherent supercontinuum generation in all-normal dispersion Si3N4  waveguides 
Optics Express 30, 8641 (2022)
I. Rebolledo-Salgado, Z.C. Ye, S. Christensen, F. C. Lei, K. Twayana, J. Schröder, M. Zelan and V. Torres-Company

Thermal noise reduction in soliton microcombs via laser self-cooling 
Optics Letters 47, 513 (2022)
F. Lei, Z. C. Ye, and V. Torres-Company

Integrated ultra-compact high-Q silicon nitride microresonators for low-repetition rate soliton microcombs
Laser & Photonics Reviews 16, 2100147 (2022)
Z. C. Ye, F. Lei, K. Twayana, M. Girardi, P. A. Andrekson and V. Torres-Company

Low noise phase-sensitive parametric amplifiers based on integrated silicon nitride waveguides for optical. signal processing
Journal of Lightwave Technology 40, 1847 (2022)
P. Zhao, Z. C.  Ye, M. Karlsson, P. A. Andrekson and V. Torres-Company

2021

Overcoming the quantum limit of optical amplification in monolithic waveguides 
Science Advances 7, eabi8150 (2021)
 Z.C. Ye, P. Zhao, K. Twayana, M. Karlsson, V. Torres-Company, and P. A. Andrekson

Frequency comb calibrated swept-wavelength interferometry 
Optics Express 29, 24363 (2021)
K. Twayana, Z. C. Ye, O. B, Helgason, K. Vijayan, M. Karlsson, and V. Torres-Company

High spectral efficiency coherent superchannel transmission with soliton microcombs
Journal of Lightwave Technology 39, 4367 (2021)
M. Mazur, M. G. Suh, A. Fülöp, J. Schröder, V. Torres-Company, M. Karlsson, K. J. Vahala, and P. A. Andrekson

Dissipative solitons in photonic molecules
Nature Photonics 15, 305 (2021)
O. B. Helgason, F. R. Arteaga-Sierra, Z. C. Ye, K. Twayana, P. A. Andrekson, M. Karlsson, J. Schröder, and V. Torres-Company

Switching dynamics of dark-pulse Kerr frequency comb states in optical microresonators
Physical Review A 103, 013513 (2021)
E. Nazemosadat, A. Fülöp, O. B. Helgason, P. H. Wang, Y. Xuan, D. E. Leaird, M. H. Qi, E. Silvestre, A. M. Weiner, and V. Torres-Company

2020

Phase-coherent lightwave communications with frequency combs
Nature Communications 11, 201 (2020)
L. Lundberg, M. Mazur, A. Mirani, B. Foo, J. Schröder, V. Torres-Company, M. Karlsson, and P. A. Andrekson

Si3N4 photonic integration platform at 1um for optical interconnects
Optics Express 28, 13019 (2020)
X. Hu, M. Girardi, Z. Ye, P. Munoz, A. Larsson, and V. Torres-Company

Bayesian filtering framework for noise characterization of frequency combs
Optics Express 28, 13949 (2020)
G. Brajato, L. Lundberg, V. Torres-Company, M. Karlsson, and D. Zibar

2019

Special issue on optical frequency combs
IEEE Photonics Technology Letters 31, 1853 (2019)
J. Azana, V. Torres-Company and X. Xue (editors)

High-Q Si3N4 microresonators based on a subtractive processing for Kerr nonlinear optics
Opt. Express 27, 378461 (2019)
Z. Ye, K. Twayana, P. A. Andrekson, and V. Torres-Company

Superchannel engineering of microcombs for optical communications
J. Opt. Soc. Am. B 36, 2013-2022 (2019)
O. B. Helgason, A. Fülöp, J. Schröder, P. A. Andrekson, A. M. Weiner and V. Torres-Company

Low-loss high-Q silicon-rich silicon nitride microresonators for Kerr nonlinear optics
Optics Letters 44, 3326-3329 (2019)
Z. Ye, A. Fülöp, O. Helgason, P. A. Andrekson, and V. Torres-Company

Roadmap on optical signal processing
J. Optics 21, 063001 (2019) (invited)
P. Minzioni et al.

Laser frequency combs for coherent optical communications
Journal of Lightwave Technology  37, 1663 (2019) (Invited)        
V. Torres-Company​, J. Schröder, A. Fülöp, M. Mazur, L. Lundberg, O. B. Helgason, M. Karlsson, and P. A. Andrekson

2018

Electro-optic combs raise above the noise
Science 361, 1316 (2018) (Perspective)        
V. Torres-Company

Observation of breathing dark pulses in normal dispersion optical microresonators
Physical Review Letters 121, 257401 (2018)         
C. Y. Bao, Y. Xuan, C. Wang, A. Fülöp, D. E. Leaird, V. Torres-Company, M. Qi, and A. M. Weiner

Frequency comb based WDM transmission systems enabling joint signal processing                               Applied Sciences  8, 718 (2018) (Invited review)                                                                                               L. Lundberg, M. Karlsson, A. Lorences-Riesgo, M. Mazur, V. Torres-Company, J. Schröder, and P. A. Andrekson​

Higher-order coherent communications using mode-locked dark pulse Kerr combs from microresonators          
Nature Communications 9, 1598 (2018) 

A. Fülöp, M. Mazur, A. Lorences-Riesgo, O. B. Helgason, P. H. Wang, Y. Xuan, D. E. Leaird, M. Qi, P. A. Andrekson, A. M. Weiner, and V. Torres-Company

2017

Electro-optic dual-comb interferometer for high-speed vibrometry   ​                                                           
Optics Express 25, 16427-16436 (2017)                                                                                                             E. L. Teleanu, V. Duran, and V. Torres-Company

Hybrid dielectric waveguide spectroscopy of individual plasmonic nanoparticles                                       AIP Advances 7, 075207 (2017)                                                                                                                           J. Cuadra, R. Verre, M. Wersall, C. Krückel, V. Torres-Company, T. J. Antosiewicz, and T. Shegai

Optical bandgap engineering in nonlinear silicon nitride waveguides                                                           Optics Express 25, 15370-15380 (2017)                                                                                                             C. J. Krückel, A. Fülöp, Z. C. Ye, P. A. Andrekson, and V. Torres-Company

Optical physics: One ring to multiplex them all                                                                                                 Nature 546, 214-215 (2017)   (News & Views)                                                                                                    V. Torres-Company

Silicon-rich nitride waveguides for ultra-broadband nonlinear signal processing                                       Optics Express 25, 12100-12108 (2017)                                                                                                             M. R. Dizaji, C. J. Krückel, A. Fülöp, P. A. Andrekson, V. Torres-Company, and L. R. Chen​

2016

Electro-optic dual-comb interferometry over 40-nm bandwidth
Optics Letters 41, 18, 4190-4193 (2016)
V. Duran, P. A. Andrekson, and V. Torres-Company

Octave-spanning supercontinuum generation in a silicon-rich nitride waveguide
Optics Letters 41, 2719-2722 (2016); erratum: ibid 42, 2941-2942 (2017)       
X. Liu, M. Pu, B. Zhou, C. J. Krückel, A. Fülöp, V. Torres-Company, and M. Bache

2015

Ultrafast electrooptic dual-comb interferometry
Optics Express 23, 30557-30569 (2015)
V. Duran, S. Tainta, and V. Torres-Company

Triply resonant coherent four-wave mixing in silicon nitride microresonators
Optics Letters 40, 4006-4009 (2015)
A. Fülöp, C. J. Krückel, D. Castelló-Lurbe, E. Silvestre, and V. Torres-Company

Linear and nonlinear characterization of low-stress high-confinement silicon-rich nitride waveguides
Optics Express 23, 25827-25837 (2015); erratum: ibid 25, 7443-7444 (2017)
C. J. Krückel, A. Fülöp, T. Klintberg, J. Bengtsson, P. A. Andrekson, and V. Torres-Company

Continuous-wave-pumped wavelength conversion in low-loss silicon nitride waveguides
Optics Letters 40, 875-878 (2015)
C. J. Krückel, V. Torres-Company, P. A. Andrekson, D. T. Spencer, J. F. Bauters, M. J. R. Heck, and J. E. Bowers

2014

Inverse dispersion engineering in silicon waveguides
Journal of the Optical Society of America B 31, 1829-1835 (2014)
D. Castelló-Lurbe, V. Torres-Company, and E. Silvestre

High-repetition-rate optical frequency comb technology for ultra-broadband radio-frequency photonics 
Laser & Photonics Reviews 8, 368-393 (2014) (invited review paper)
V. Torres-Company, D. Castello-Lurbe, and E. Silvestre

Comparative analysis of spectral coherence in microresonator combs
Optics Express 22, 4678-4691 (2014) 
V. Torres-Company, D. Castello-Lurbe, and E. Silvestre

Compression of ultra-long microwave pulses using programmable microwave photonic phase filtering with >100 complex coefficient taps
Optics Express 22, 6329-6338 (2014)
M. Song, V. Torres-Company, R. Wu, A. J. Metcalf, and A. M. Weiner

Bandwidth scaling of a phase-modulated continuous-wave comb through four-wave-mixing in a silicon nano-waveguide
Optics Letters 39, 6478-66481 (2014)
Y. Liu, A. J. Metcalf, V. Torres-Company, R. Wu, L. Fan, L. T. Varghese, M. Qi, and A. M. Weiner