Title :
Quantum-dot-based saturable absorber with p-n junction for mode-locking of solid-state lasers
Author :
Lagatsky, A.A. ; Rafailov, E.U. ; Sibbett, W. ; Livshits, D.A. ; Zhukov, A.E. ; Ustinov, V.M.
Author_Institution :
Sch. of Phys. & Astron., Univ. of St. Andrews, UK
Abstract :
We demonstrate stable mode-locking in a Yb : KYW laser by using a quantum-dot (QD) saturable absorber structure that incorporates a p-n junction. A reduction in the output pulse duration was measured when a reverse bias was applied to the QD saturable absorber mirror.
Keywords :
laser cavity resonators; laser mirrors; laser mode locking; optical saturable absorption; p-n junctions; semiconductor quantum dots; solid lasers; ytterbium; KY(WO4)2:Yb; Yb:KYW laser; output pulse duration; p-n junction; quantum-dot saturable absorber; reverse bias; saturable absorber mirror; solid-state lasers; stable mode-locking; Absorption; Distributed Bragg reflectors; Laser mode locking; Laser stability; Mirrors; P-n junctions; Pulse measurements; Quantum dot lasers; Semiconductor lasers; Solid lasers; Active mirror; mode-lock laser; quantum dot (QD); saturable absorber; short pulse;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2004.839387
