Karsten Rottwitt

Karsten Rottwitt

Professor, Group Leader

DTU FOTONIK
Department of Photonics Engineering

Fiber Optics, Devices and Non-linear Effects

Technical University of Denmark

Ørsteds Plads

Building 343, room 130

2800 Kgs. Lyngby

Ph.
Mobile
Fax +45 45 93 65 81
E-mail karo@fotonik.dtu.dk

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2020
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Stable Transmission of High-Dimensional Quantum States over a 2-km Multicore Fiber

Da Lio, Beatrice ; Oxenløwe, Leif Katsuo ; Bacco, Davide ; Cozzolino, Daniele ; Biagi, Nicola (Invited author) ; Arge, Tummas Napoleon (Invited author) ; Larsen, Emil (Invited author) ; Rottwitt, Karsten ; Ding, Yunhong ; Zavatta, Alessandro (Invited author)
in: IEEE Journal of Selected Topics in Quantum Electronics, vol: 26, issue: 4

Type: Journal article (Peer reviewed)     |     Invited contribution

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.1109/JSTQE.2019.2960937

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Chip-to-chip quantum teleportation and multi-photon entanglement in silicon

Llewellyn, Daniel ; Ding, Yunhong ; Faruque, Imad I. ; Paesani, Stefano ; Bacco, Davide ; Santagati, Raffaele ; Qian, Yan Jun ; Li, Yan ; Xiao, Yun Feng ; Huber, Marcus ; Malik, Mehul ; Sinclair, Gary F. ; Zhou, Xiaoqi ; Rottwitt, Karsten ; O’Brien, Jeremy L. ; Rarity, John G. ; Gong, Qihuang ; Oxenlowe, Leif K. ; Wang, Jianwei ; Thompson, Mark G.
in: Nature Physics, vol: 16, issue: 2, pages: 148-153

Type: Letter (Peer reviewed)

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.1038/s41567-019-0727-x

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Nonlinear four-wave mixing with enhanced diversity and selectivity via spin and orbital angular momentum conservation

Liu, X. ; Christensen, E. N. ; Rottwitt, K. ; Ramachandran, S.
in: APL Photonics, vol: 5, issue: 1

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.1063/1.5130715

2019
 

Invited paper

Grüner-Nielsen, Lars ; Mathew, Neethu Mariam ; Rottwitt, Karsten
in: Optical Fiber Technology, vol: 52

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1016/j.yofte.2019.101972

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Multichannel Photon-Pair Generation with Strong and Uniform Spectral Correlation in a Silicon Microring Resonator

Shi, Xiaodong ; Guo, Kai ; Christensen, Jesper Bjerge ; Castaneda, Mario A.Usuga ; Liu, Xuanming ; Ou, Haiyan ; Rottwitt, Karsten
in: Physical Review Applied, vol: 12, issue: 3

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1103/PhysRevApplied.12.034053

 

Generation and sampling of quantum states of light in a silicon chip

Paesani, Stefano ; Ding, Yunhong ; Santagati, Raffaele ; Chakhmakhchyan, Levon ; Vigliar, Caterina ; Rottwitt, Karsten ; Oxenløwe, Leif K. ; Wang, Jianwei ; Thompson, Mark G. ; Laing, Anthony
in: Nature Physics, vol: 15, issue: 9, pages: 925-929

Type: Letter (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1038/s41567-019-0567-8

 

Quantum information processing using intermodal four-wave mixing in multi-mode optical fibers

Rottwitt, Karsten ; Christensen, Jesper B. ; Christensen, Erik N. ; Koefoed, Jacob G.
part of: Proceedings of 21st International Conference on Transparent Optical Networks, 2019, IEEE Computer Society Press
Presented at:
21st International Conference on Transparent Optical Networks

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1109/ICTON.2019.8840313

 

Silicon photonics for quantum communication

Ding, Y. ; Bacco, D. ; Llewellyn, D. ; Faruque, I. ; Paesani, S. ; Galili, M. ; Laing, A. ; Rottwitt, K. ; Thompson, M. ; Wang, J. ; Oxenløwe, L. K.
part of: Proceedings of 21st International Conference on Transparent Optical Networks, 2019, IEEE Computer Society Press
Presented at:
21st International Conference on Transparent Optical Networks

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1109/ICTON.2019.8840038

 

Co-existence of 87 Mbit/s quantum and 10 Gbit/s classical communications in 37-core fiber

Da Lio, B. ; Bacco, D. ; Cozzolino, D. ; Da Ros, F. ; Guo, X. ; Ding, Y. ; Sasaki, Y. ; Aikawa, K. ; Miki, S. ; Terai, H. ; Yamashita, T. ; Neergaard-Nielsen, J. S. ; Galili, M. ; Rottwitt, K. ; Andersen, U. L. ; Morioka, T. ; Oxenlowe, L. K.
part of: Proceedings of 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, 2019, IEEE
Presented at:
2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1109/CLEOE-EQEC.2019.8871492

 

Kilowatt-level parametric wavelength exchange using OAM modes

Christensen, Erik N. ; Liu, Xiao ; Rottwitt, Karsten ; Ramachandran, Siddharth
part of: Proceedings of 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, 2019, IEEE
Presented at:
2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1109/CLEOE-EQEC.2019.8871510