Self-starting issues of passive self-focusing mode locking

Szuyuan Chen, Jyhpyng Wang

Research output: Contribution to journalArticlepeer-review

56 Scopus citations

Abstract

An analysis of passive mode locking with the intracavity self-focusing effect is presented, and the self-starting issue is addressed. The analysis shows that the initial pulse-shortening force of this mechanism is too weak to start the mode locking from mode beating or noise and how it can be greatly enhanced with a dilute dye saturable absorber in the cavity. This analysis also shows how the pulse-width evolution is related to the pulse-shortening force in cw mode-locking lasers.

Original languageEnglish
Pages (from-to)1689-1691
Number of pages3
JournalOptics Letters
Volume16
Issue number21
DOIs
StatePublished - 1 Nov 1991

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