Publications
Publications
Awards:
​Prize
Prizewinner
Link
​2021 R.W. Wood Prize
​Tobias Kippenberg
​2022 IEEE Photonics Society Laser Instrumentation Award
​Franz X. Kärtner
2023 Georg-Simon-Ohm-Preis
Marvin Edelmann
2023 UNIPRENEURS award
Franz X. Kärtner
2024 Election as a member to the National Academy of Engineering
Tobias Kippenberg
2024 Appointed as a member of the German National Academy of Sciences Leopoldina
Tobias Kippenberg
Publications:
Quantum photonics with layered 2D materials
Nature Review Physics
​Turunen, M., Brotons-Gisbert, M., Dai, Y. et al.
​AALTO
​Turunen, M., Brotons-Gisbert, M., Dai, Y. et al. Quantum photonics with layered 2D materials. Nature Review Physics (2022). https://doi.org/10.1038/s42254-021-00408-0
Title
Journal
Authors
Partners involved
Reference
​Synchronized multi-wavelength soliton fiber laser via intracavity group delay modulation
​Nature Communications
Mao, D., Wang, H., Zhang, H. et al.
​AALTO
​Mao, D., Wang, H., Zhang, H. et al. Synchronized multi-wavelength soliton fiber laser via intracavity group delay modulation. Nature Communications 12, 6712 (2021). https://doi.org/10.1038/s41467-021-26872-x
​Tuning of Emission Wavelength of CaS:Eu by Addition of Oxygen Using Atomic Layer Deposition
​Materials
​Rosa, J.; Lahtinen, J.; Julin, J.; Sun, Z.; Lipsanen, H.
Rosa, J.; Lahtinen, J.; Julin, J.; Sun, Z.; Lipsanen, H. Tuning of Emission Wavelength of CaS:Eu by Addition of Oxygen Using Atomic Layer Deposition. Materials 2021, 14, 5966. https://doi.org/10.3390/ma14205966
​AALTO
Probing Electronic States in Monolayer Semiconductors through Static and Transient Third-Harmonic Spectroscopies
​Advanced Materials
​Wang, Y., Iyikanat, F., Rostami, H., Bai, X., Hu, X., Das, S., Dai, Y., Du, L., Zhang, Y., Li, S., Lipsanen, H., García de, F. J., Sun, Z.
​AALTO
​Wang, Y., Iyikanat, F., Rostami, H., Bai, X., Hu, X., Das, S., Dai, Y., Du, L., Zhang, Y., Li, S., Lipsanen, H., García de, F. J., Sun, Z., Probing Electronic States in Monolayer Semiconductors through Static and Transient Third-Harmonic Spectroscopies. Advanced Materials, 2022, 34, 2107104. https://doi.org/10.1002/adma.202107104
​Nonlinear Mach-Zehnder interferometer isolator
​Optics Express
​Neetesh Singh and Franz X. Kärtner
​DESY
​Neetesh Singh and Franz X. Kärtner, "Nonlinear Mach-Zehnder interferometer isolator," Opt. Express 30, 5973-5980 (2022), https://doi.org/10.1364/OE.447205
Photonic chip-based continuous-travelling-wave parametric amplifier
arXiv
​Johann Riemensberger, Junqiu Liu, Nikolai Kuznetsov, Jijun He, Rui Ning Wang, Tobias J. Kippenberg
​EPFL
​Riemensberger, Johann, et al. "Photonic chip-based continuous-travelling-wave parametric amplifier." arXiv preprint arXiv:2107.09582 (2021). https://doi.org/10.48550/arXiv.2107.09582
Continous-wave travelling wave optical parametric amplification on a photonic chip
Conference on Lasers and Electro-Optics
Johann Riemensberger, Junqiu Liu, Nikolai Kuznetsov, Jijun He, Rui Ning Wang, and Tobias J. Kippenberg
​EPFL
​J. Riemensberger, J. Liu, N. Kuznetsov, J. He, R. N. Wang, and T. J. Kippenberg, "Continous-wave travelling wave optical parametric amplification on a photonic chip," in Conference on Lasers and Electro-Optics, Technical Digest Series (Optica Publishing Group, 2022), paper SM4O.1. https://doi.org/10.1364/CLEO_SI.2022.SM4O.1
Compact, spatial-mode-interaction-free, ultralow-loss, nonlinear photonic integrated circuits
arXiv
​Xinru Ji, Junqiu Liu, Jijun He, Rui Ning Wang, Zheru Qiu, Johann Riemensberger, Tobias J. Kippenberg
​Ji, Xinru, et al. "Compact, spatial-mode-interaction-free, ultralow-loss, nonlinear photonic integrated circuits." arXiv preprint arXiv:2109.06764 (2021). https://doi.org/10.48550/arXiv.2109.06764
​EPFL
​Compact, spatial-mode-interaction-free, ultralow-loss, nonlinear photonic integrated circuits
Conference on Lasers and Electro-Optics
Xinru Ji, Junqiu Liu, Jijun He, Rui Ning Wang, Zheru Qiu, Johann Riemensberger, and Tobias J. Kippenberg
​X. Ji, J. Liu, J. He, R. N. Wang, Z. Qiu, J. Riemensberger, and T. J. Kippenberg, "Compact, spatial-mode-interaction-free, ultralow-loss, nonlinear photonic integrated circuits," in Conference on Lasers and Electro-Optics, Technical Digest Series (Optica Publishing Group, 2022), paper SF1C.2. https://doi.org/10.1364/CLEO_SI.2022.SF1C.2
​EPFL
​Compact, spatial-mode-interaction-free, ultralow-loss, nonlinear photonic integrated circuits
Communications Physics
Xinru Ji, Junqiu Liu, Jijun He, Rui Ning Wang, Zheru Qiu, Johann Riemensberger & Tobias J. Kippenberg
​EPFL
​Ji, X., Liu, J., He, J. et al. Compact, spatial-mode-interaction-free, ultralow-loss, nonlinear photonic integrated circuits. Commun Phys 5, 84 (2022). https://doi.org/10.1038/s42005-022-00851-0
A photonic integrated circuit based erbium-doped amplifier
arXiv
​Yang Liu, Zheru Qiu, Xinru Ji, Jijun He, Johann Riemensberger, Martin Hafermann, Rui Ning Wang, Junqiu Liu, Carsten Ronning, Tobias J. Kippenberg
​Yang Liu, Zheru Qiu, Xinru Ji, Jijun He, Johann Riemensberger, Martin Hafermann, Rui Ning Wang, Junqiu Liu, Carsten Ronning, Tobias J. Kippenberg, ‘A photonic integrated circuit based erbium-doped amplifier’, https://doi.org/10.48550/arXiv.2204.02202
​EPFL
​A photonic integrated circuit–based erbium-doped amplifier
​SCIENCE
Yang Liu, Zheru Qiu, Xinru Ji, Anton Lukashchuk, Jijun He, Johann Riemensberger, Martin Hafermann, Rui Ning Wang, Junqiu Liu, Carsten Ronning, and Tobias J. Kippenberg
​Yang Liu, Zheru Qiu, Xinru Ji, Anton Lukashchuk, Jijun He, Johann Riemensberger, Martin Hafermann, Rui Ning Wang, Junqiu Liu, Carsten Ronning, and Tobias J. Kippenberg, "A photonic integrated circuit based erbium-doped amplifier", SCIENCE 376, pp. 1309-1313 (2022). https://doi.org/10.1126/science.abo2631
​EPFL
Continous-wave travelling wave optical parametric amplification on a photonic chip
CLEO Conference Proceeding
Johann Riemensberger, Junqiu Liu, Nikolai Kuznetsov, Jijun He, Rui Ning Wang, and Tobias J. Kippenberg
​EPFL
J. Riemensberger, J. Liu, N. Kuznetsov, J. He, R. N. Wang, and T. J. Kippenberg, "Continous-wave travelling wave optical parametric amplification on a photonic chip," in Conference on Lasers and Electro-Optics, Technical Digest Series (Optica Publishing Group, 2022), paper SM4O.1. https://doi.org/10.1364/CLEO_SI.2022.SM4O.1
Compact, spatial-mode-interaction-free, ultralow-loss, nonlinear photonic integrated circuits
CLEO Conference Proceeding
Xinru Ji, Junqiu Liu, Jijun He, Rui Ning Wang, Zheru Qiu, Johann Riemensberger, and Tobias J. Kippenberg
​EPFL
X. Ji, J. Liu, J. He, R. N. Wang, Z. Qiu, J. Riemensberger, and T. J. Kippenberg, "Compact, spatial-mode-interaction-free, ultralow-loss, nonlinear photonic integrated circuits," in Conference on Lasers and Electro-Optics, Technical Digest Series (Optica Publishing Group, 2022), paper SF1C.2. https://doi.org/10.1364/CLEO_SI.2022.SF1C.2
CLEO Conference Proceeding
Milan Sinobad, Jan Lorenzen, Andrej Berg, Henry Francis, Jose Carreira, Mahmoud A Gaafar, Tobias Herr, Neetesh Singh, Franz X Kärtner
​EPFL
Apodized Chirped Bragg Gratings in a Silicon Nitride-on-Insulator Platform at Short-Wave Infrared Wavelengths
M. Sinobad, J. Lorenzen, A. Berg, H. Francis, J. Carreira, M. A. Gaafar, T. Herr, N. Singh, and F. X. Kärtner, "Apodized Chirped Bragg Gratings in a Silicon Nitride-on-Insulator Platform at Short-Wave Infrared Wavelengths," in Conference on Lasers and Electro-Optics/Europe (CLEO/Europe 2023) and European Quantum Electronics Conference (EQEC 2023), Technical Digest Series (Optica Publishing Group, 2023), paper ck_p_8.
Silicon Nitride Apodized Chirped Gratings in the Short-wave Infrared Band
CLEO Conference Proceeding
ilan Sinobad, Jan Lorenzen, Henry Francis, Jose Carreira, Mahmoud A. Gaafar, Tobias Herr, Neetesh Singh, and Franz X. Kärtner
DESY, LIGENTEC
M. Sinobad, J. Lorenzen, H. Francis, J. Carreira, M. A. Gaafar, T. Herr, N. Singh, and F. X. Kärtner, "Silicon Nitride Apodized Chirped Gratings in the Short-wave Infrared Band," in CLEO 2023, Technical Digest Series (Optica Publishing Group, 2023), paper JW2A.94. https://doi.org/10.1364/CLEO_AT.2023.JW2A.94
CMOS-compatible high energy passively Q-switched laser
CLEO Conference Proceeding
Neetesh Singh, Milan Sinobad, Jan Lorenzen, Kai Wang, Andreas C. Liapis, Henry Frankis, Mahmoud A. Gaafar, Stefanie Haugg, Henry Francis, Jose Carreira, Michael Geiselmann, Tobias Herr, Jonathan Bradley, Zhipei Sun, Sonia M Garicia-Blanco, and Franz X Kärtner
DESY, LIGENTEC, TWENTE
​N. Singh, M. Sinobad, J. Lorenzen, K. Wang, A. C. Liapis, H. Frankis, M. A. Gaafar, S. Haugg, H. Francis, J. Carreira, M. Geiselmann, T. Herr, J. Bradley, Z. Sun, S. M. Garicia-Blanco, and F. X. Kärtner, "CMOS-compatible high energy passively Q-switched laser," in CLEO 2023, Technical Digest Series (Optica Publishing Group, 2023), paper STu4P.2. https://doi.org/10.1364/CLEO_SI.2023.STu4P.2
Watt-class CMOS-compatible power amplifier
CLEO Conference Proceeding
Neetesh Singh, Jan Lorenzen, Milan Sinobad, Kai Wang, Mahmoud A. Gaafar, Henry Francis, Michael Geiselmann, Tobias Herr, Sonia M Garcia-Blanco, and Franz X. Kärtner
DESY, LIGENTEC, TWENTE
N. Singh, J. Lorenzen, M. Sinobad, K. Wang, M. A. Gaafar, H. Francis, M. Geiselmann, T. Herr, S. M. Garcia-Blanco, and F. X. Kärtner, "Watt-class CMOS-compatible power amplifier," in Conference on Lasers and Electro-Optics/Europe (CLEO/Europe 2023) and European Quantum Electronics Conference (EQEC 2023), Technical Digest Series (Optica Publishing Group, 2023), paper pd_1_6.
High energy passively Q-switched laser on a CMOS platform
CLEO Conference Proceeding
Neetesh Singh, Jan Lorenzen, Milan Sinobad, Kai Wang, Andreas C. Liapis, Henry Frankis, Mahmoud A. Gaafar, Stefanie Haugg, Henry Francis, Jose Carreira, Michael Geiselmann, Tobias Herr, Jonathan Bradley, Zhipei Sun, Sonia M. Garcia-Blanco, and Franz X. Kärtner
DESY, LIGENTEC, TWENTE, AALTO
N. Singh, J. Lorenzen, M. Sinobad, K. Wang, A. C. Liapis, H. Frankis, M. A. Gaafar, S. Haugg, H. Francis, J. Carreira, M. Geiselmann, T. Herr, J. Bradley, Z. Sun, S. M. Garcia-Blanco, and F. X. Kärtner, "High energy passively Q-switched laser on a CMOS platform," in Conference on Lasers and Electro-Optics/Europe (CLEO/Europe 2023) and European Quantum Electronics Conference (EQEC 2023), Technical Digest Series (Optica Publishing Group, 2023), paper ca_9_6.
Towards On-Chip Ultrafast Pulse Amplification
CLEO Conference Proceeding
Gaafar, Mahmoud A. and Wang, Kai and Ludwig, Markus and Wildi, Thibault and Sinobad, Milan and Lorenzen, Jan and Francis, Henry and Geiselmann, Michael and Kärtner, Franz X. and Garicia-Blanco, Sonia M. and Singh, Neetesh and Herr, Tobias
DESY, LIGENTEC, TWENTE
M. A. Gaafar et al., "Towards On-Chip Ultrafast Pulse Amplification," 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, Germany, 2023, pp. 1-1, doi: 10.1109/CLEO/Europe-EQEC57999.2023.10231611.
Compact, spatial-mode-interaction-free, ultralow-loss, nonlinear photonic integrated circuits
Nature Communications Physics
Xinru Ji, Junqiu Liu, Jijun He, Rui Ning Wang, Zheru Qiu, Johann Riemensberger & Tobias J. Kippenberg
EPFL
Ji, X., Liu, J., He, J. et al. Compact, spatial-mode-interaction-free, ultralow-loss, nonlinear photonic integrated circuits. Commun Phys 5, 84 (2022). https://doi.org/10.1038/s42005-022-00851-0
A photonic integrated circuit–based erbium-doped amplifier
Science
Liu, Yang, Qiu, Zheru, Ji, Xinru, Lukashchuk, Anton, He, Jijun, Riemensberger, Johann, Hafermann, Martin, Wang, Rui Ning, Liu, Junqiu, Ronning, Carsten, Kippenberg, Tobias J.
EPFL
Yang Liu et al. ,A photonic integrated circuit–based erbium-doped amplifier.Science376,1309-1313(2022). https://doi.org/10.1126/science.abo2631
Photonic-chip integrated large-mode-area high-power CW optical amplifier
EOS Annual Meeting (EOSAM 2023) Conference Proceeding
Mahmoud A. Gaafar, Kai Wang, Markus Ludwig, Thibault Wildi, Jan Lorenzen, Henry Francis, Michael Geiselmann, Milan Sinobad, Franz X. Kärtner, SoniaM. Garcia-Blanco, Neetesh Singh and Tobias Herr
DESY, LIGENTEC
Mahmoud A. Gaafar, Kai Wang, Markus Ludwig, Thibault Wildi, Jan Lorenzen, Henry Francis, Michael Geiselmann, Milan Sinobad, Franz X. Kärtner, SoniaM. Garcia-Blanco, Neetesh Singh and Tobias Herr, "Photonic-chip integrated large-mode-area high-power CW optical amplifier", EPJ Web Conf., 287 (2023) 01009. DOI: https://doi.org/10.1051/epjconf/202328701009
Chip-scale, CMOS-compatible, high energy passively Q-switched laser
arXiv
Neetesh Singh, Jan Lorenzen, Milan Sinobad, Kai Wang, Andreas C. Liapis, Henry Frankis, Stefanie Haugg, Henry Francis, Jose Carreira, Michael Geiselmann, Mahmoud A. Gaafar, Tobias Herr, Jonathan D. B. Bradley, Zhipei Sun, Sonia M Garcia-Blanco, Franz X. Kartner
DESY, LIGENTEC, AALTO, TWENTE
Neetesh Singh, Jan Lorenzen, Milan Sinobad, Kai Wang, Andreas C. Liapis, Henry Frankis, Stefanie Haugg, Henry Francis, Jose Carreira, Michael Geiselmann, Mahmoud A. Gaafar, Tobias Herr, Jonathan D. B. Bradley, Zhipei Sun, Sonia M Garcia-Blanco, Franz X. Kartner, "Chip-scale, CMOS-compatible, high energy passively Q-switched laser", arXiv:2303.00849 (2023). https://doi.org/10.48550/arXiv.2303.00849
​Silicon photonics-based high-energy passively Q-switched laser
Nature Photonics
Neetesh Singh, Jan Lorenzen, Milan Sinobad, Kai Wang, Andreas C. Liapis, Henry C. Frankis, Stefanie Haugg, Henry Francis, Jose Carreira, Michael Geiselmann, Mahmoud A. Gaafar, Tobias Herr, Jonathan D. B. Bradley, Zhipei Sun, Sonia M. Garcia-Blanco & Franz X. Kärtner
DESY, LIGENTEC, AALTO, TWENTE
Singh, N., Lorenzen, J., Sinobad, M. et al. Silicon photonics-based high-energy passively Q-switched laser. Nat. Photon. (2024). https://doi.org/10.1038/s41566-024-01388-0
A fully hybrid integrated erbium-based laser
Nature Photonics
​Yang Liu, Zheru Qiu, Xinru Ji, Andrea Bancora, Grigory Lihachev, Johann Riemensberger, Rui Ning Wang, Andrey Voloshin, Tobias J. Kippenberg
EPFL
Liu, Y., Qiu, Z., Ji, X. et al. A fully hybrid integrated erbium-based laser. Nat. Photon. 18, 829–835 (2024). https://doi.org/10.1038/s41566-024-01454-7
High power> 1.5 W tunable laser based on CMOS compatible high-power amplifier
2024 IEEE Silicon Photonics Conference
Neetesh Singh, Jan Lorenzen, Milan Sinobad, Kai Wang, Muharrem Kilinc, Henry Francis, Jose Carriera, Michael Geiselmann, Umit Demirbas, Mikhail Pergament, Sonia M Garcia-Blanco, and Franz X. Kärtner
DESY, LIGENTEC, TWENTE
N. Singh et al., "High power >1.5W tunable laser based on CMOS compatible high-power amplifier," 2024 IEEE Silicon Photonics Conference (SiPhotonics), Tokyo Bay, Japan, 2024, pp. 1-2, doi: 10.1109/SiPhotonics60897.2024.10544301.
Spectroscopic Properties of Thulium-doped High-power Integrated LMA Amplifiers
CLEO Conference Proceeding
Jan Lorenzen, Kai Wang, Muharrem Kilinc, Henry Francis, Jose Carreira, Michael Geiselmann, Umit Demirbas, Milan Sinobad, Mikhail Pergament, Sonia M. Garcia-Blanco, Franz X. Kärtner, and Neetesh Singh
DESY, LIGENTEC, TWENTE
J. Lorenzen, K. Wang, M. Kilinc, H. Francis, J. Carreira, M. Geiselmann, U. Demirbas, M. Sinobad, M. Pergament, S. M. Garcia-Blanco, F. X. Kärtner, and N. Singh, "Spectroscopic Properties of Thulium-doped High-power Integrated LMA Amplifiers," in CLEO 2024, Technical Digest Series (Optica Publishing Group, 2024), paper STu3D.7.
https://doi.org/10.1364/CLEO_SI.2024.STu3D.7
High power >1.5W tunable laser based on integrated LMA power amplifier
CLEO Conference Proceeding
Neetesh Singh, Jan Lorenzen, Milan Sinobad, Kai Wang, Muharrem Kilinc, Henry Francis, Jose Carriera, Michael Geiselmann, Mikhail Pergament, Umit Demirbas, Sonia M Garcia-Blanco, and Franz X. Kärtner
DESY, LIGENTEC, TWENTE
N. Singh, J. Lorenzen, M. Sinobad, K. Wang, M. Kilinc, H. Francis, J. Carriera, M. Geiselmann, M. Pergament, U. Demirbas, S. M. Garcia-Blanco, and F. X. Kärtner, "High power >1.5W tunable laser based on integrated LMA power amplifier," in CLEO 2024, Technical Digest Series (Optica Publishing Group, 2024), paper SM2I.3.
https://doi.org/10.1364/CLEO_SI.2024.SM2I.3
High Power 1.8 W Tunable Laser Based on CMOS Compatible Power Amplifier
The 25th European Conference on Integrated Optics
Neetesh Singh, Jan Lorenzen, Muharrem Kilinc, Kai Wang, Milan Sinobad, Henry Francis, Jose Carriera, Michael Geiselmann, Umit Demirbas, Mikhail Pergament, Sonia M. Garcia-Blanco & Franz X. Kärtner
DESY, LIGENTEC, TWENTE
Singh, N. et al. (2024). High Power 1.8 W Tunable Laser Based on CMOS Compatible Power Amplifier. In: Witzens, J., Poon, J., Zimmermann, L., Freude, W. (eds) The 25th European Conference on Integrated Optics. ECIO 2024. Springer Proceedings in Physics, vol 402. Springer, Cham. https://doi.org/10.1007/978-3-031-63378-2_5
Communication & Dissemination activities:
​The International Advanced Fiber Laser Conference, Chendu, China (Plenary talk)
Event/conference/ seminar
​Presentation title
​Speaker
​Partners involved
​Date
​SPIE Integrated Optics: Devices, Materials, and Technologies XXV
​Ultra-high on-chip optical gain fabricated with atomic-layer deposition technology
Zhipei Sun
AALTO
​06.-11.03.2021
​Optics Frontier Online, organised by Chinese Laser publishers
​Ultrafast lasers with 2D materials
Zhipei Sun
AALTO
​17.03.2021
​Online seminar organised by Aston University
​Quantum photonics with 2D materials
Zhipei Sun
AALTO
19.04.2021
​EurA Pathfinder Symposium
HowTo design a winning PATHFINDER Project – Example FEMTOCHIP
​Thomas Schwarzbäck
​EURA
​08.06.2021
OpFaTec network - network meeting
​HowTo design a winning PATHFINDER Project – Example FEMTOCHIP
​Thomas Schwarzbäck
​EURA
​30.06.2021
​Photonics+
​Application examples for low loss SiN photonic circuits
​Michael Geiselmann
​LGT
​30.06.2021