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Self-starting mode locking and Kerr-lens mode locking of a Ti:rAl2O3 laser by use of semiconductor-doped glass structures

  • I. P. Bilinsky
  • , Rohit Prativadi Prasankumar
  • , J. G. Fujimoto

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

We report a novel wedge-shaped saturable absorber structure based on commercial semiconductor-doped glasses. By use of several different semiconductor-doped glasses, fast saturable absorber passive mode locking of a Ti:Al2O3 laser was demonstrated, which generated pulse durations as short as 2 ps in the 780-860-nm range. These saturable absorbers were also used to start Kerr-lens mode locking, and transform-limited 52-fs pulses were generated. Photodarkening effects in the semiconductor-doped glasses have been observed and characterized on a femtosecond time scale.

Original languageEnglish
Pages (from-to)546-549
Number of pages4
JournalJournal of the Optical Society of America B: Optical Physics
Volume16
Issue number4
DOIs
StatePublished - Apr 1999
Externally publishedYes

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