Ultrafast Laser Physics

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Milestones

2024

Ultrafast 550-W average-power thin-disk laser oscillator”
Download Ref. [523] (PDF, 8 MB)

Overview modelocked TDLs until 2024
The color of the data points corresponds to the achieved peak power of the oscillator output. Some are marked with average output power, pulse duration, optical-to-optical efficiency and repetition rate. Results are selected if they exceed 100 W average output power or if they presented power records at time of their publication. (See Ref. [523] for more details.)  

2022

Influence of disk aberrations on high-power thin-disk laser cavities
Download Ref. [500] (PDF, 4.3 MB)

50-W average power Ho:YAG SESAM-modelocked thin-disk oscillator at 2.1 µm
Download Ref. [497] (PDF, 3.7 MB) (In collaboration with Prof. Clara Saraceno. Our group provided the 2-µm SESAM)

2021

51-W average power, 169-fs pulses from an ultrafast non-collinear optical parametric oscillator
Download Ref. [485] (PDF, 2.4 MB)

Silicate bonding of sapphire to SESAMs: adjustable thermal lensing for high-power lasers
Download Ref. [481] (PDF, 2.8 MB)

2019

Power-scaling of nonlinear-mirror modelocked thin-disk lasers
Download Ref. [463] (PDF, 3 MB)

New average power world record: 350-W average output power, 940-fs pulse duration, 8.88-MHz pulse repetition rate, pulse energy 39-µJ, peak power 37 MW
Download Ref. [461] (PDF, 1.7 MB)

General overview article in Photonics Sectra, Oct. 2019
external page "Advances in Ultrafast Multi-​100-W Average-​Power Thin-​Disk Lasers" 
Download Download (PDF, 2.2 MB)

Invited plenary talk with online viewgraphs and talk, OPIC 2019
https://ulp.ethz.ch/videos/opic-2019--plenary-talk.html

2018

NEW CONCEPT: Self-phase modulation cancelation in a high-power SESAM modelocked TDL 780 fs, 19 µJ, 210 W average output power from a Yb:YAG TDL operated in air 
Download Ref. [450] (PDF, 1.3 MB)

Discovery of gas-lens effect in high-average-power TDLs 
Download Ref. [444] (PDF, 4 MB)

2017

Frequency-doubling nonlinear-mirror (NLM) mode locked Yb:YAG TDL 323 fs, 21 W 
Download Ref. [426] (PDF, 8.6 MB)

Peak-power scaling with Yb:LuO: 534 fs, 90-W average power, 10-MW peak power, 14.8-MHz pulse repetition rate, 6.1 µJ and 616 fs, 82-W average power, 12-MW peak power, 9.5-MHz pulse repetition rate, 8.6 µJ 
Download Ref. [425] (PDF, 6.1 MB)

Yb:GGG a new promising material for high-power TDL 
Download Ref. [417] (PDF, 3.1 MB)

Enlarged view: timeline_tdl
Timeline of the development of SESAM modelocked thin disk lasers: milestones (average power, pulse energy, pulse duration)

2015

First demonstration of HHG at MHz repetition rate, driven by the compressed output of a high-power thin-disk laser. 
external page "Compact extreme ultraviolet source at megahertz pulse repetition rate with a low-noise ultrafast thin-disk laser oscillator" 
Download Download (PDF, 2.7 MB)

2014

New milestone result for pulse energy from an ultrafast laser oscillator (i.e. without additional amplification): 80 µJ pulse energy, 3 MHz pulse repetition rate, 242 W average output power, 1 ps pulse duration, 66 MW peak power from a SESAM modelocked Yb:YAG thin disk laser in the soliton modelocking regime.
external page "Ultrafast thin-disk laser with 80  μJ pulse energy and 242  W of average power" 
Download Download (PDF, 508 KB)

Pulse compression of a modelocked thin disk laser at the 100 W level with Kagome-type hollow-core PCF
external page "Efficient spectral broadening in the 100-W average power regime using gas-filled kagome HC-PCF and pulse compression" 
Download Download (PDF, 480 KB)

2013

62 fs from a Yb:CALGO thin disk laser 
external page "62-fs Pulses from a SESAM Modelocked Yb:CALGO Thin Disk Laser" 
Download Download (PDF, 559 KB)

First stabilized frequency comb from an Yb:CALGO thin disk laser
external page "Phase-stabilization of the carrier-envelope-offset frequency of a SESAM modelocked thin disk laser" 
Download Download (PDF, 1.8 MB)

2012

First sub-100 fs pulses from a SESAM modelocked Yb:LuScO3 thin disk laser 
external page "Sub-100 fs pulses from a SESAM-modelocked thin-disk laser" 
Download Download (PDF, 382 KB)

First measurement of the carrier-envelope-offset frequency of an ultrafast thin disk laser 
external page "Self-referenceable frequency comb from an ultrafast thin disk laser" 
Download Download (PDF, 856 KB)

SESAM-modelocked Yb:YAG thin disk laser delivering an output power of 275 W and a pulse energy of 16.9 µJ 
external page "275 W average output power from a femtosecond thin disk oscillator operated in a vacuum environment" 
Download Download (PDF, 1.3 MB)

2011

Optimized SESAM designs for high-power thin disk laser oscillators
external page "SESAMs for high-power oscillators: design guidelines and damage thresholds"
Download Download (PDF, 1.1 MB)

2010

First time more than 100 W average power from an ultrafast laser oscillator directly
external page "Femtosecond thin-disk laser with 141 W of average power" 
Download Download (PDF, 292 KB)

2008

First time more than 10 µJ pulse energy from an ultrafast laser oscillator directly, without further pulse amplification:
external page "Femtosecond thin disk laser oscillator with pulse energy beyond the 10-microjoule level" 
Download Download (PDF, 600 KB)

2006

First time more than 1 µJ pulse energy from an ultrafast laser oscillator directlly, without further pulse amplification:
external page "Pulse energy scaling to5μJfrom a femtosecond thin disk laser" 
Download Download (PDF, 111 KB)

2000

First SESAM modelocked thin disk laser:
external page "16.2-W average power from a diode-pumped femtosecond Yb:YAG thin disk laser" 
Download Download (PDF, 96 KB)