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
 

Dispersion tailoring of a silicon strip waveguide employing Titania-Alumina thin-film coating

Guo, Kai ; Christensen, Jesper Bjerge ; Christensen, Erik Nicolai ; Ding, Yunhong ; Ou, Haiyan ; Rottwitt, Karsten
part of: 17th International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD 2017, pages: 57-58, 2017, IEEE Computer Society Press,
Presented at:
17th International Conference on. Numerical Simulation of Optoelectronic Devices, 2017, Lyngby

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1109/NUSOD.2017.8009989

 

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

  PDF

Effects of noninstantaneous nonlinear processes on photon-pair generation by spontaneous four-wave mixing

Koefoed, Jacob Gade ; Christensen, Jesper Bjerge ; Rottwitt, Karsten
in journal: Physical Review A (Atomic, Molecular and Optical Physics) (ISSN: 1050-2947) (DOI: http://dx.doi.org/10.1103/PhysRevA.95.043842), vol: 95, issue: 4, 2017

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1103/PhysRevA.95.043842

  PDF

Temporal mode selectivity by frequency conversion in second-order nonlinear optical waveguides: Erratum

Reddy, Dileep V. ; Raymer, M. G. ; Mckinstrie, C. J. ; Andersen, Lasse Mejling ; Rottwitt, Karsten
in journal: Optics Express (ISSN: 1094-4087) (DOI: http://dx.doi.org/10.1364/OE.25.007998), vol: 25, issue: 7, pages: 7998, 2017

Type: Comment/debate (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1364/OE.25.007998

 

High coincidence-to-accidental ratio continuous-wave photon-pair generation in a grating-coupled silicon strip waveguide

Guo, Kai ; Christensen, Erik Nicolai ; Christensen, Jesper Bjerge ; Koefoed, Jacob Gade ; Bacco, Davide ; Ding, Yunhong ; Ou, Haiyan ; Rottwitt, Karsten
in journal: Applied Physics Express (ISSN: 1882-0778) (DOI: http://dx.doi.org/10.7567/APEX.10.062801), vol: 10, issue: 6, 2017

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.7567/APEX.10.062801

 

12 Mode, MIMO-Free OAM Transmission

Ingerslev, Kasper ; Gregg, Patrick ; Galili, Michael ; Da Ros, Francesco ; Hu, Hao ; Bao, Fangdi ; Usuga Castaneda, Mario A. ; Kristensen, Poul ; Rubano, Andrea ; Marrucci, Lorenzo ; Ramachandran, Siddharth ; Rottwitt, Karsten ; Morioka, Toshio ; Oxenløwe, Leif Katsuo
part of: Optical Fiber Communication Conference 2017 (ISBN: 978-1-943580-23-1), 2017, Optical Society of America (OSA),
Presented at:
Optical Fiber Communication Conference 2017, 2017, Los Angeles

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: http://dx.doi.org/10.1364/OFC.2017.M2D.1