Karsten Rottwitt

Karsten Rottwitt

Professor, Gruppeleder

DTU FOTONIK
Institut for Fotonik

Fiber Optics, Devices and Non-linear Effects

Danmarks Tekniske Universitet

Ørsteds Plads

Bygning 345A, rum 271

2800 Kgs. Lyngby

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

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Publikationer
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2014
 

Quantitative evaluation of standard deviations of group velocity dispersion in optical fibre using parametric amplification

Rishøj, Lars Søgaard ; Svane, Ask Sebastian ; Lund-Hansen, Toke ; Rottwitt, Karsten
in journal: Electronics Letters (ISSN: 0013-5194) (DOI: http://dx.doi.org/10.1049/el.2013.3800), vol: 50, issue: 3, pages: 199-200, 2014

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2014     |    DOI: http://dx.doi.org/10.1049/el.2013.3800

 

Break up of the azimuthal symmetry of higher order fiber modes

Israelsen, Stine Møller ; Rishøj, Lars Søgaard ; Rottwitt, Karsten
in journal: Optics Express (ISSN: 1094-4087) (DOI: http://dx.doi.org/10.1364/OE.22.011861), vol: 22, issue: 10, pages: 11861-11868, 2014

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2014     |    DOI: http://dx.doi.org/10.1364/OE.22.011861

 

Divergence Angle as a Quality Parameter for Fiber Modes

Israelsen, Stine Møller ; Rottwitt, Karsten
part of: Proceedings of CLEO 2014, 2014, Optical Society of America (OSA),
Presented at:
Conference on Lasers and Electro-Optics 2014, 2014, San Jose, CA

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2014

  PDF

Effects of Raman scattering in quantum state-preserving frequency conversion

Friis, Søren Michael Mørk ; Andersen, Lasse Mejling ; Castaneda, Mario A. Usuga ; Pedersen, Anders Tegtmeier ; McKinstrie, Colin J. ; Rottwitt, Karsten
part of: Proceedings of CLEO 2014, 2014,
Presented at:
Conference on Lasers and Electro-Optics 2014, 2014, San Jose, CA

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2014

2013
 

Effects of nonlinear phase modulation on quantum frequency conversion using four-wave mixing Bragg scattering

Andersen, Lasse Mejling ; McKinstrie, C. J. ; Rottwitt, Karsten
in journal: Proceedings of SPIE, the International Society for Optical Engineering (ISSN: 0277-786X) (DOI: http://dx.doi.org/10.1117/12.2004114), vol: 8604, pages: 86041J, 2013
Presented at:
SPIE Photonics West : Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XII, 2013, San Francisco, CA

Type: Conference article (Peer reviewed)

Status: Published     |    År: 2013     |    DOI: http://dx.doi.org/10.1117/12.2004114

  PDF

Parametric Amplification of a 640 Gbit/s RZ-DPSK Signal

Lali-Dastjerdi, Zohreh ; Galili, Michael ; Mulvad, Hans Christian Hansen ; Hu, Hao ; Oxenløwe, Leif Katsuo ; Rottwitt, Karsten ; Peucheret, Christophe
part of: OFC/NFOEC Technical Digest, pages: JW2A.21, 2013, Optical Society of America,
Presented at:
2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference, 2013, Anaheim, CA

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2013

  PDF

Experimental investigation of saturation effect on pump-to-signal intensity modulation transfer in single-pump phase-insensitive fiber optic parametric amplifiers

Cristofori, Valentina ; Lali-Dastjerdi, Zohreh ; Lund-Hansen, Toke ; Peucheret, Christophe ; Rottwitt, Karsten
in journal: Optical Society of America. Journal B: Optical Physics (ISSN: 0740-3224) (DOI: http://dx.doi.org/10.1364/JOSAB.30.000884), vol: 30, issue: 4, pages: 884-888, 2013

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2013     |    DOI: http://dx.doi.org/10.1364/JOSAB.30.000884

  PDF

Frequency noise in frequency swept fiber laser

Pedersen, Anders Tegtmeier ; Rottwitt, Karsten
in journal: Optics Letters (ISSN: 0146-9592) (DOI: http://dx.doi.org/10.1364/OL.38.001089), vol: 38, issue: 7, pages: 1089-1091, 2013

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2013     |    DOI: http://dx.doi.org/10.1364/OL.38.001089

  PDF

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

Reddy, D. 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.21.013840), vol: 21, issue: 11, pages: 13840-13863, 2013

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2013     |    DOI: http://dx.doi.org/10.1364/OE.21.013840

  PDF

Generation of infrared supercontinuum radiation: spatial mode dispersion and higher-order mode propagation in ZBLAN step-index fibers

Ramsay, Jacob Søndergaard ; Dupont, Sune Vestergaard Lund ; Johansen, Mikkel Willum ; Rishøj, Lars Søgaard ; Rottwitt, Karsten ; Moselund, Peter M. ; Keiding, Søren Rud
in journal: Optics Express (ISSN: 1094-4087) (DOI: http://dx.doi.org/10.1364/OE.21.010764), vol: 21, issue: 9, pages: 10764-10771, 2013

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2013     |    DOI: http://dx.doi.org/10.1364/OE.21.010764