Karsten Rottwitt

Karsten Rottwitt

Professor, Gruppeleder

DTU FOTONIK
Institut for Fotonik

Fiber Optics, Devices and Non-linear Effects

Danmarks Tekniske Universitet

Ørsteds Plads

Bygning 343, rum 130

2800 Kgs. Lyngby

Tlf.
Mobil
Fax 45 93 65 81
E-mail karo@fotonik.dtu.dk

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2020
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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     |    År: 2020     |    DOI: https://doi.org/10.1038/s41567-019-0727-x

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MDM transmission using air-clad photonic lanterns

Mariam Mathew, Neethu ; Grüner-Nielsen, Lars ; Galili, Michael ; Lillieholm, Mads ; Rottwitt, Karsten
in: IEEE Photonics Technology Letters, vol: PP, issue: 99

Type: Journal article (Peer reviewed)

Status: Accepted/In press     |    År: 2020

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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     |    År: 2020     |    DOI: https://doi.org/10.1063/1.5130715

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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     |    År: 2020     |    DOI: https://doi.org/10.1109/JSTQE.2019.2960937

2019
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Air-cladded mode-group selective photonic lanterns for mode-division multiplexing

Mariam Mathew, Neethu ; Christensen, Jesper Bjerge ; Grüner-Nielsen, Lars ; Galili, Michael ; Rottwitt, Karsten
in: Optics Express, vol: 27, issue: 9, pages: 13329-13343

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2019     |    DOI: https://doi.org/10.1364/OE.27.013329

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Boosting the secret key rate in a shared quantum and classical fibre communication system

Bacco, Davide ; da Lio, Beatrice ; Cozzolino, Daniele ; Da Ros, Francesco ; Guo, Xueshi ; Ding, Yunhong ; Sasaki, Yusuke ; Aikawa, Kazuhiko ; Miki, Shigehito ; Terai, Hirotaka ; Yamashita, Taro ; Neergaard-Nielsen, Jonas Schou ; Galili, Michael ; Rottwitt, Karsten ; Andersen, Ulrik Lund ; Morioka, Toshio ; Oxenløwe, Leif Katsuo
in: Communications Physics, vol: 2, issue: 1

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2019     |    DOI: https://doi.org/10.1038/s42005-019-0238-1

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Complete evolution equation for the joint amplitude in photon-pair generation through spontaneous four-wave mixing

Koefoed, Jacob Gade ; Rottwitt, Karsten
in: Physical Review A, vol: 100, issue: 6

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2019     |    DOI: https://doi.org/10.1103/physreva.100.063813

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Effects of higher-order dispersion on photon-pair generation by four-wave mixing

Koefoed, Jacob G. ; Christensen, Jesper B. ; McKinstrie, Colin J. ; Rottwitt, Karsten
in: Physical Review A, vol: 99, issue: 1

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2019     |    DOI: https://doi.org/10.1103/PhysRevA.99.013844

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Experimental demonstration of the DPTS QKD protocol over a 170 km fiber link

da Lio, Beatrice ; Bacco, Davide ; Cozzolino, Daniele ; Ding, Y. ; Dalgaard, K. ; Rottwitt, Karsten ; Oxenløwe, Leif Katsuo
in: Applied Physics Letters, vol: 114, issue: 1

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2019     |    DOI: https://doi.org/10.1063/1.5049659

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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     |    År: 2019     |    DOI: https://doi.org/10.1038/s41567-019-0567-8