Ursula Keller

Research.com Recognitions

• 2025 - Research.com Best Female Scientists Award
• 2020 - Frederic Ives Medal, The Optical Society For fundamental contributions to ultrafast lasers technology, especially in the development of high peak and average power oscillators and important breakthroughs in attosecond science.
• 2019 - IEEE Edison Medal For pioneering and fundamental contributions to and leadership in useable, compact ultrafast laser technology, enabling applications in metrology, sensing, and biophotonics.
• 2014 - SPIE Fellow
• 2003 - OSA Fellows For pioneering contributions to the development of femtosecond laser technology and applications and the development of semiconductor saturable absorber mirrors.

Overview

Best Publications

• Recent developments in compact ultrafast lasers

  Ursula Keller

  2574
  Citations

• Semiconductor saturable absorber mirrors (SESAM's) for femtosecond to nanosecond pulse generation in solid-state lasers

  U. Keller;K.J. Weingarten;F.X. Kartner;D. Kopf

  2448
  Citations

• Carrier-envelope offset phase control: A novel concept for absolute optical frequency measurement and ultrashort pulse generation

  H.R. Telle;G. Steinmeyer;A.E. Dunlop;J. Stenger

  1117
  Citations

• Q-switching stability limits of continuous-wave passive mode locking

  C. Hönninger;R. Paschotta;F. Morier-Genoud;M. Moser

  1101
  Citations

• Attosecond Ionization and Tunneling Delay Time Measurements in Helium

  P. Eckle;A. N. Pfeiffer;C. Cirelli;A. Staudte

  958
  Citations

• Solid-state low-loss intracavity saturable absorber for Nd:YLF lasers : an antiresonant semiconductor Fabry-Perot saturable absorber

  U. Keller;D. A. B. Miller;G. D. Boyd;T. H. Chiu

  952
  Citations

• Generation of intense, carrier-envelope phase-locked few-cycle laser pulses through filamentation

  Christoph Hauri;W. Kornelis;F. Helbing;A. Heinrich

  793
  Citations

• Semiconductor saturable-absorber mirror assisted Kerr-lens mode-locked Ti:sapphire laser producing pulses in the two-cycle regime.

  Dirk H. Sutter;G. Steinmeyer;L. Gallmann;N. Matuschek

  640
  Citations

• Frontiers in Ultrashort Pulse Generation: Pushing the Limits in Linear and Nonlinear Optics

  G. Steinmeyer;D. H. Sutter;L. Gallmann;N. Matuschek

  593
  Citations

• Soliton mode-locking with saturable absorbers

  F.X. Kartner;I.D. Jung;U. Keller

  513
  Citations

• Passively modelocked surface-emitting semiconductor lasers

  Ursula Keller;Anne C. Tropper

  497
  Citations

• Ultrafast ytterbium-doped bulk lasers and laser amplifiers

  C. Hönninger;R. Paschotta;M. Graf;F. Morier-Genoud

  443
  Citations

• Design and fabrication of double-chirped mirrors

  F. X. Kärtner;N. Matuschek;T. Schibli;U. Keller

  439
  Citations

• Mode-locking with slow and fast saturable absorbers-what's the difference?

  F.X. Kurtner;J.A. der Au;U. Keller

  434
  Citations

• Attoclock reveals natural coordinates of the laser-induced tunnelling current flow in atoms

  Adrian N. Pfeiffer;Claudio Cirelli;Mathias Smolarski;Darko Dimitrovski

  433
  Citations

• Experimentally confirmed design guidelines for passively Q-switched microchip lasers using semiconductor saturable absorbers

  G. J. Spühler;R. Paschotta;R. Fluck;B. Braun

  421
  Citations

• Passive mode locking with slow saturable absorbers

  R. Paschotta;U. Keller

  383
  Citations

• Stabilization of solitonlike pulses with a slow saturable absorber

  F. X. Kärtner;U. Keller

  364
  Citations

• 60-W average power in 810-fs pulses from a thin-disk Yb:YAG laser

  E. Innerhofer;T. Südmeyer;F. Brunner;R. Häring

  359
  Citations

• Self-starting 6.5-fs pulses from a Ti:sapphire laser.

  I. D. Jung;F. X. Kärtner;N. Matuschek;D. H. Sutter

  349
  Citations