Jesper Lægsgaard

Jesper Lægsgaard

Associate Professor

DTU FOTONIK
Department of Photonics Engineering

Fiber Optics, Devices and Non-linear Effects

Technical University of Denmark

Ørsteds Plads

Building 343, room 128

2800 Kgs. Lyngby

Ph.
Fax +4545 93 65 81
E-mail jlag@fotonik.dtu.dk

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2019
 

Static and dynamic mode instabilities in dual-core fiber amplifiers

Lægsgaard, Jesper ; Poli, Federica ; Cucinotta, Annamaria ; Selleri, Stefano
in: Journal of the Optical Society of America B: Optical Physics, vol: 36, issue: 3, pages: 757-767

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1364/JOSAB.36.000757

 

Generation of clustered frequency comb via intermodal four-wave mixing in an integrated Si3N4 microresonator

Kamel, Ayman Nassar ; El Dirani, Houssein ; Casale, Marco ; Kerdiles, Sébastien ; Socquet-Clerc, C. ; Pu, Minhao ; Oxenløwe, Leif Katsuo ; Yvind, Kresten ; Lægsgaard, Jesper ; Sciancalepore, Corrado
part of: CLEO: Science and Innovations 2019, 2019, Optical Society of America (OSA)
Presented at:
CLEO: Science and Innovations 2019

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1364/CLEO_SI.2019.SF3H.2

  PDF

Narrow-linewidth all-solid large-mode-area photonic crystal fiber amplifier

Hauge, Jakob Milo ; Papior, Sidsel R. ; Pedersen, Jens E. ; Christensen, Simon Lønborg ; Bondu, Magalie ; Alkeskjold, Thomas T. ; Lægsgaard, Jesper
part of: Proceedings of spie, 2019, SPIE - International Society for Optical Engineering
Presented at:
SPIE Lase

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1117/12.2506246

  PDF

Photonic crystal fiber technology for monolithic single-mode large mode area all-solid amplifier

Christensen, Simon Lønborg ; Papior, Sidsel R. ; Johansen, Mette M. ; Hauge, Jakob Milo ; Weirich, Johannes ; Jakobsen, Christian ; Michieletto, Mattia ; Bondu, Magalie ; Triches, Marco ; Alkeskjold, Thomas T. ; Lægsgaard, Jesper
part of: Proceedings of SPIE, 2019, SPIE - International Society for Optical Engineering
Presented at:
SPIE Lase

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1117/12.2506995

 

Poor-man's model of hollow-core anti-resonant fibers

Bache, Morten ; Habib, Md. Selim ; Markos, Christos ; Lægsgaard, Jesper
in: Journal of the Optical Society of America B-optical Physics, vol: 36, issue: 1, pages: 69-80

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2019     |    DOI: https://doi.org/10.1364/JOSAB.36.000069

2018
 

Static and dynamic mode coupling in a double-pass rod-type fiber amplifier

Lupi, Jean François ; Johansen, Mette Marie ; Michieletto, Mattia ; Lægsgaard, Jesper
in: Optics Letters, vol: 43, issue: 22, pages: 5535-5538

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1364/OL.43.005535

  PDF

Thermal Effects on Modal Properties of Dual-Core Yb-Doped Fibers

Poli, Federica ; Laegsgaard, Jesper ; Cucinotta, Annamaria ; Selleri, Stefano
in: Journal of Lightwave Technology, vol: 37, issue: 4, pages: 1075 - 1083

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1109/JLT.2018.2886047

 

Cherenkov radiation from 1550 nm pumping in tapered photonic crystal fibers

Lægsgaard, Jesper
in: Optics Letters, vol: 43, issue: 12, pages: 2744-2747

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1364/OL.43.002744

 

Designing fiber tapers for tunable dispersive-wave generation from agile Yb-based pump lasers

Lægsgaard, Jesper
in: Journal of the Optical Society of America B-optical Physics, vol: 35, issue: 6, pages: 1433-1441

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1364/JOSAB.35.001433

 

Scaling relations for soliton compression and dispersive-wave generation in tapered optical fibers

Lægsgaard, Jesper
in: Optical Society of America. Journal B: Optical Physics, vol: 35, issue: 4, pages: 783-789

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1364/JOSAB.35.000783