Switchable and tuneable multi-wavelength ER-doped fibre ring laser using sagnac filters¹

dc.creatorBALDEMAR IBARRA ESCAMILLA
dc.creatorEVGENY KUZIN
dc.date2010
dc.date.accessioned2022-10-12T20:14:39Z
dc.date.available2022-10-12T20:14:39Z
dc.identifierhttp://inaoe.repositorioinstitucional.mx/jspui/handle/1009/1411
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/4130562
dc.descriptionWe demonstrate experimentally a simple configuration to perform wavelength-tuning and multi-wavelength operation in a fibre ring laser that is composed of an Erbium-doped fibre and includes a fibre-optic Sagnac interferometer as a spectral filter. We consider three different Sagnac filters including a 3 dB coupler, two wave retarders (WRs) and respectively 7 cm, 1 and 7 m of high birefringence fibre. The transmission spectrum of each filter is sinusoidal with a 70, 6, and 0.85 nm period, and its maxima can be shifted over one period by adjusting the angle of the retarders in the loop. By adjusting the WRs included in the filter and in the laser ring, tuneable single wavelength and several two- or three- wavelength lasing regimes were observed. In particular, fine adjustments of the WRs allow observing two- and three- wavelength operation with wavelength separations well below the homogeneous bandwidth of the gain medium. The stability of these modes of operation however strongly depends on environmental conditions at room temperature.
dc.formatapplication/pdf
dc.languageeng
dc.publisherLaser Physics
dc.relationcitation:González García, A., et al., (2010). Switchable and tuneable multi-wavelength ER-doped fibre ring laser using sagnac filters¹, Laser Physics. Vol. 20(3):720–725.
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rightshttp://creativecommons.org/licenses/by-nc-nd/4.0
dc.subjectinfo:eu-repo/classification/Inspec/Sagnac interferometer
dc.subjectinfo:eu-repo/classification/Inspec/Erbium-doped fibre
dc.subjectinfo:eu-repo/classification/cti/1
dc.subjectinfo:eu-repo/classification/cti/22
dc.subjectinfo:eu-repo/classification/cti/2209
dc.subjectinfo:eu-repo/classification/cti/2209
dc.titleSwitchable and tuneable multi-wavelength ER-doped fibre ring laser using sagnac filters¹
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/acceptedVersion
dc.audiencestudents
dc.audienceresearchers
dc.audiencegeneralPublic


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