Dual-wavelength, self-starting saturable bragg reflector mode-locked ti : sapphire laser

S.J. White, J.M. Hopkins, W.H. Knox, A. Miller

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We have demonstrated a coupled dual cavity, femtosecond laser system that is self-starting, robust and independently tunable. The lasers incorporate two saturable Bragg reflectors (SBRs) for mode-locked operation. The inclusion of SBRs effectively separates the modelocking and coupling processes and also reduces cavity alignment sensitivity. Dual laser operation was studied with respect to output characteristics, crystal position, cavity length, and wavelength dragging. The coupled SBR mode-locked lasers were tunable from 770 to 820 nm and 810 to 860 nm, respectively. A crystal translation of up 660 μm did not disrupt coupled operation or pulse production. Large wavelength dragging of up to 30 nm was produced by altering the length of the cavities. While in coupled operation, cross-correlation measurements demonstrated synchronization of the two femtosecond lasers to well within the individual pulsewidths
LanguageEnglish
Pages246-251
Number of pages5
JournalIEEE Journal of Quantum Electronics
Volume38
Issue number3
DOIs
Publication statusPublished - Mar 2002

Fingerprint

Bragg reflectors
Laser modes
Sapphire
sapphire
Ultrashort pulses
Wavelength
Lasers
wavelengths
cavities
lasers
Crystals
Laser tuning
Synchronization
tunable lasers
laser cavities
cross correlation
crystals
synchronism
alignment
inclusions

Keywords

  • mode-locked lasers
  • optical coupling
  • optical pulse generation
  • quantum-well devices
  • ultrafast optics

Cite this

White, S.J. ; Hopkins, J.M. ; Knox, W.H. ; Miller, A. / Dual-wavelength, self-starting saturable bragg reflector mode-locked ti : sapphire laser. In: IEEE Journal of Quantum Electronics. 2002 ; Vol. 38, No. 3. pp. 246-251.
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Dual-wavelength, self-starting saturable bragg reflector mode-locked ti : sapphire laser. / White, S.J.; Hopkins, J.M.; Knox, W.H.; Miller, A.

In: IEEE Journal of Quantum Electronics, Vol. 38, No. 3, 03.2002, p. 246-251.

Research output: Contribution to journalArticle

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