Group Leader Ultrafast Photonics
Laser Development Department
E-Mail: f.haxsen@lzh.dePhone: +49 511 2788-267
Short-Bio
Diploma study of technical physics at the Leibniz Universität Hannover, 2013 doctorate degree obtained (Dr. rer. nat.) with the topic „Ultrashort pulse thulium-doped fiber lasers and amplifiers“.
From 2007 to 2008, Dr. Frithjof Haxsen worked as a scientific assistant and subsequently as a scientific employee at the LZH until 2014. From 2014 to 2021, he worked at Spectra Physics in Rankweil. Since 2022, Dr. Haxsen has been group leader of the Ultrafast Photonics group in the Laser Development Department.
Main Research Areas
- Fiber- and crystal-based ultrashort pulse lasers
LZH publications
Journal articles (reviewed) (9)
Generation of 15 nJ pulse energy by a sub-150 fs thulium-doped fiber Mamyshev oscillator
Optics Letters
21
47
5610-5613
2022
Monotonically chirped pulse evolution in an ultrashort pulse thulium-doped fiber laser
Optics Letters
6
37
1014-1016
2012
Ultrafast, stretched-pulse thulium-doped fiber laser with a fiber-based dispersion management
Optics Letters
13
37
2466-2468
2012
Pulse energy of 151 nJ from ultrafast thulium-doped chirped-pulse fiber amplifier
Optics Letters
17
35
2991-2993
2010
Pulse characteristics of a passively mode-locked thulium fiber laser with positive and negative cavity dispersion
Optics Express
18
18
18981-18988
2010
Ultrafast thulium-doped fiber-oscillator with pulse energy of 4.3 nJ
Optics Letters
7
33
690-692
2008
Wavelength resolved intracavity measurement of the cross sections of a Tm-doped fiber
Optics Express
3
16
1610-1615
2008
Journal articles (non-reviewed) (2)
Generation of 12 nJ Pulse Energy by a Thulium-doped Fiber Mamyshev Oscillator
EPJ Web of Conferences
267
02019
2022
Dispersion-managed Monolithic All Polarization-Maintaining Ultrafast Thulium-doped Fiber Oscillator
EPJ Web of Conferences
266
13033
2022
Conference papers (19)
Ultrafast Thulium-doped Fiber Mamyshev Oscillators: State of the Art and Future Scaling Prospects
Photonics North
12.-15. Juni
Montreal
2023
Study on the spectral gain distribution and pulse self-compression in thulium-doped fiber Mamyshev oscillators
SPIE Photonics West: LASE
30. Januar - 02. Februar
San Francisco
2023
Generation of 12 nJ Pulse Energy by a Thulium-doped Fiber Mamyshev Oscillator
10TH EPS-QEOD EUROPHOTON CONFERENCE
28. August - 02. September
Hannover
2022
Dispersion-managed Monolithic All Polarization-maintaining Ultrafast Thulium-doped Fiber Oscillator
European Optical Society Annual Meeting
12.-16. September
Porto
2022
High energy sub-nanosecond thulium-doped all-fibre laser based on a rod-type photonic-crystal fibre amplifier
Advanced Solid-State Lasers (ASSL)
4.-9. Oktober
Berlin
2015
High Energy and Low Repetition Rate Picosecond Thulium-doped All-fibre Laser with Photonic-crystal Fibre Amplifier
Advanced Solid-State Lasers (ASSL)
27. Oktober-1. November
Paris
2013
Investigations on Positively Chirped Pulses in a Thulium-doped Fiber Laser
Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO®/Europe-EQEC)
12.-16. Mai
München
2013
Positively chirped pulses from a mode-locked thulium fiber laser
SPIE Photonics Europe: Laser Sources and Applications
16.-19. April
Brüssel
2012
Positively chirped pulse evolution in a passively mode-locked thulium-doped fiber laser
Advanced Solid-State Photonics (ASSP)
29. Januar-1. Februar
San Diego
2012
Positively Chirped Pulses in a Mode-Locked Thulium Fiber Laser - Simulation and Experiment
Conference on Lasers and Electro-Optics (CLEO) and the International Quantum Electronics Conference (IQEC)
6.-11. Mai
San Jose
2012
Dispersion management with a normal dispersive fiber in an ultrafast thulium-doped fiber laser
SPIE Photonics Europe: Laser Sources and Applications
16.-19.April
Brüssel
2012
Fiber based dispersion management in an ultrafast thulium-doped fiber laser and external compression with a normal dispersive fiber
Advanced Solid-State Photonics (ASSP)
29. Januar-1. Februar
San Diego
2012
Stretched-pulse operation of a thulium-doped fiber laser with a fiber-based dispersion management
Conference on Lasers and Electro-Optics (CLEO) and the International Quantum Electronics Conference (IQEC)
6.-11. Mai
San Jose
2012
Hybrid mode-locked thulium soliton fiber laser
IEEE Photonics Conference (IPC)
9.-13. Oktober
Arlington
2011
Dispersion Variation of a Thulium-doped Stretched-pulse Fiber Laser with Spectral Filtering
Conference on Lasers and Electro-Optics (CLEO)
16.-21. Mai
San Jose
2010
320-fs thulium-doped fiber-ring-laser with a pulse energy of 3.5-nJ
Conference on Lasers and Electro-Optics (CLEO)
4.-9. Mai
San Jose
2008
High-power passively mode-locked thulium-doped fibre ring laser with variable dispersion compensation
EPS-QEOD Europhoton Conference on Solid State, Fibre, and Waveguide Coherent Light Sources
31. August-5. September
Paris
2008
Passively Mode-Locked Thulium-Doped Fiber Oscillator with a Pulse Energy of 4 nJ
Advanced Solid-State Photonics (ASSP)
27.-30. Januar
Nara
2008