PbS quantum-dot-doped glasses for ultrashort-pulse generation

K. Wundke, S. Pötting, J. Auxier, A. Schülzgen, N. Peyghambarian, N. F. Borrelli

Research output: Contribution to journalArticlepeer-review

135 Scopus citations

Abstract

We investigate the use of PbS quantum-dot-doped glasses as saturable absorbers for ultrashort-pulse lasers by means of absorption bleaching experiments and numerical analysis of the pulse shaping process using the Haus' master equation. We explain the mode-locking mechanism and the limitations of these absorbers. The generation of transform-limited fs pulses is predicted by soliton mode locking initiated by the absorption saturation of higher excited states of the quantum-dot saturable absorber.

Original languageEnglish (US)
Pages (from-to)10-12
Number of pages3
JournalApplied Physics Letters
Volume76
Issue number1
DOIs
StatePublished - Jan 3 2000

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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