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Passively Mode-Locked GaInN Laser Diode Generating 200 fs Optical Pulses
- Source :
- Japanese Journal of Applied Physics. 52:08JG06
- Publication Year :
- 2013
- Publisher :
- IOP Publishing, 2013.
-
Abstract
- Femtosecond optical pulses with a duration of 200 fs were generated using a GaInN bisectional laser diode passively mode-locked in a dispersion-compensated external cavity with spectral filtering performed outside the cavity. The fact that the femtosecond pulses were obtained with a negative intracavity group-velocity dispersion and a saturable absorber recovery time of about 15 ps indicates that the mechanism involved was soliton mode-locking. The spectro-temporal investigation of the output pulses directly emitted after the mode-locked laser diode revealed that the spectral broadening was due to self-phase modulation in the gain section.
Details
- ISSN :
- 13474065 and 00214922
- Volume :
- 52
- Database :
- OpenAIRE
- Journal :
- Japanese Journal of Applied Physics
- Accession number :
- edsair.doi...........a1dc5d0116193402b54cd50cc5e6a411