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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Publikationer
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2017
 

Determining the group velocity dispersion by field analysis for the LP0X, LP1X, and LP2X mode groups independently of the fiber length: applications to step-index fibers

Israelsen, Stine Møller ; Usuga Castaneda, Mario A. ; Rottwitt, Karsten
in journal: Journal of the Optical Society of America B: Optical Physics (ISSN: 0740-3224) (DOI: http://dx.doi.org/10.1364/JOSAB.34.000007), vol: 34, issue: 1, pages: 7-11, 2017

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1364/JOSAB.34.000007

2016
 

Detailed phase matching characterization of inter-modal four-wave mixing in a two-mode fiber

Friis, Søren Michael Mørk ; Jung, Y. ; Begleris, I. ; Horak, P. ; Rottwitt, Karsten ; Petropoulos, P. ; Richardson, D.J. ; Parmigiani, F.
part of: CLEO: Science and Innovations 2016 (ISBN: 978-1-943580-11-8), 2016, Optical Society of America,
Presented at:
Conference on Lasers and Electro-Optics 2016, 2016, San Jose, California

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: http://dx.doi.org/10.1364/CLEO_AT.2016.JTu5A.49

 

The fascinating diatom frustule—can it play a role for attenuation of UV radiation?

Ellegaard, Marianne ; Lenau, Torben Anker ; Lundholm, Nina ; Maibohm, Christian ; Friis, Søren Michael Mørk ; Rottwitt, Karsten ; Su, Yanyan
in journal: Journal of Applied Phycology (ISSN: 0921-8971) (DOI: http://dx.doi.org/10.1007/s10811-016-0893-5), vol: 28, issue: 6, pages: 3295–3306, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: http://dx.doi.org/10.1007/s10811-016-0893-5

  PDF

Temporally uncorrelated photon-pair generation by dual-pump four-wave mixing

Christensen, Jesper Bjerge ; McKinstrie, C. J. ; Rottwitt, Karsten
in journal: Physical Review A (Atomic, Molecular and Optical Physics) (ISSN: 1050-2947) (DOI: http://dx.doi.org/10.1103/PhysRevA.94.013819), vol: 94, issue: 1, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: http://dx.doi.org/10.1103/PhysRevA.94.013819

 

Higher order mode optical fiber Raman amplifiers

Rottwitt, Karsten ; Friis, Søren Michael Mørk ; Usuga Castaneda, Mario A. ; Christensen, Erik Nicolai ; Koefoed, Jacob Gade
part of: Proceedings of 2016 18th International Conference on Transparent Optical Networks (ISBN: 978-1-5090-1467-5), 2016, IEEE,
Presented at:
18th International Conference on Transparent Optical Networks, 2016, Trento

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: http://dx.doi.org/10.1109/ICTON.2016.7550315

  PDF

Experimental characterization of Raman overlaps between mode-groups

Christensen, Erik Nicolai ; Koefoed, Jacob Gade ; Friis, Søren Michael Mørk ; Usuga Castaneda, Mario A. ; Rottwitt, Karsten
in journal: Scientific Reports (ISSN: 2045-2322) (DOI: http://dx.doi.org/10.1038/srep34693), vol: 6, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: http://dx.doi.org/10.1038/srep34693

  PDF

Broadband higher order mode conversion using chirped microbend long period gratings

Israelsen, Stine Møller ; Rottwitt, Karsten
in journal: Optics Express (ISSN: 1094-4087) (DOI: http://dx.doi.org/10.1364/OE.24.023969), vol: 24, issue: 21, pages: 23969-23976, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: http://dx.doi.org/10.1364/OE.24.023969

 

Silicon photonics for multicore fiber communication

Ding, Yunhong (Invited author) ; Kamchevska, Valerija (Invited author) ; Dalgaard, Kjeld (Invited author) ; Bacco, Davide (Invited author) ; Rottwitt, Karsten (Invited author) ; Hu, Hao (Invited author) ; Galili, Michael (Invited author) ; Morioka, Toshio (Invited author) ; Oxenløwe, Leif Katsuo (Invited author)
part of: Proceedings of 2016 Asia Communications and Photonics Conferene, 2016, Optical Society of America OSA,
Presented at:
Asia Communications and Photonics Conference 2016, 2016, Wuhan

Type: Article in proceedings (Peer reviewed)     |     Invited contribution

Status: Published     |    År: 2016

  PDF

Two-dimensional distributed-phase-reference protocol for quantum key distribution

Bacco, Davide ; Christensen, Jesper Bjerge ; Usuga Castaneda, Mario A. ; Ding, Yunhong ; Forchhammer, Søren ; Rottwitt, Karsten ; Oxenløwe, Leif Katsuo
in journal: Scientific Reports (ISSN: 2045-2322) (DOI: http://dx.doi.org/10.1038/srep36756), vol: 6, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: http://dx.doi.org/10.1038/srep36756

 

Generation of pure heralded single-photon states by cross-polarized spontaneous four-wave mixing

Christensen, Jesper Bjerge ; McKinstrie, Colin J. ; Rottwitt, Karsten
part of: Proceedings of CLEO: QELS_Fundamental Science 2016 (ISBN: 978-1-943580-11-8), 2016, Optical Society of America OSA,
Presented at:
Conference on Lasers and Electro-Optics 2016, 2016, San Jose, California

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: http://dx.doi.org/10.1364/CLEO_QELS.2016.FTu4C.8