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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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

  PDF

All-fiber photon-pair source at telecom wavelengths

Christensen, Erik Nicolai ; Usuga Castaneda, Mario A. ; Rottwitt, Karsten
part of: Proceedings of SPIE, 2017, SPIE - International Society for Optical Engineering,
Presented at:
Advances in Photonics of Quantum Computing, Memory, and Communication X, 2017, San Francisco

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1117/12.2252019

  PDF

Flexible cross-correlated (C2) imaging method for the modal content characterization in a broad range of wavelengths

Muliar, Olena ; Usuga Castaneda, Mario A. ; Michieletto, Mattia ; Kristensen, Torben ; Alkeskjold, Thomas T. ; Rottwitt, Karsten ; Lægsgaard, Jesper
in journal: Optics Express (ISSN: 1094-4087) (DOI: http://dx.doi.org/10.1364/OE.25.005521 ), vol: 25, issue: 5, pages: 5521-5535, 2017

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1364/OE.25.005521

 

Effects of Raman scattering and attenuation in silica fiber-based parametric frequency conversion

Friis, Søren Michael Mørk ; Andersen, Lasse Mejling ; Rottwitt, Karsten
in journal: Optics Express (ISSN: 1094-4087) (DOI: http://dx.doi.org/10.1364/OE.25.007324 ), vol: 7, issue: 3, pages: 7324-7337, 2017

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1364/OE.25.007324

  PDF

High precision Cross-correlated imaging in Few-mode fibers

Muliar, Olena ; Usuga Castaneda, Mario A. ; Kristensen, Torben ; Alkeskjold, Thomas Tanggaard ; Rottwitt, Karsten ; Lægsgaard, Jesper
part of: Proceedings of SPIE (ISBN: 9781510607019), 2017, SPIE - International Society for Optical Engineering,
Presented at:
Next-Generation Optical Communication: Components, Sub-Systems, and Systems V, 2016, San Francisco, CA

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1117/12.2250532

2016
 

Light interaction with nano-structured diatom frustule, from UV-A to NIR

Maibohm, Christian ; Nielsen, Josefine Holm ; Rottwitt, Karsten
in journal: MRS Advances (DOI: http://dx.doi.org/10.1557/adv.2015.15), vol: 1, issue: 57, pages: 3811-3816, 2016
Presented at:
2015 MRS Fall Meeting and Exhibit, 2015, Boston

Type: Conference article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: http://dx.doi.org/10.1557/adv.2015.15

 

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 (ISSN: 2469-9926) (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