Dual-State Multiwavelength Fiber Laser: Nanosecond Pulses and Tunable Continuous Waves

We experimentally research the spectral and temporal properties of a multiwavelength erbium-doped fiber laser based on a nonlinear amplifying loop mirror (NALM). The laser can work in two multiwavelength lasing states by switching the transmission function of the NALM. One state corresponds to the p...

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Veröffentlicht in:	IEEE photonics technology letters 2013-09, Vol.25 (17), p.1737-1740
Hauptverfasser:	Liu, Xuesong, Zhan, Li, Liu, Jinmei, Shen, Xuehao
Format:	Artikel
Sprache:	eng
Schlagworte:	Erbium-doped fiber lasers Laser mode locking Multiwavelength nonlinear amplifying loop mirror (NALM) Optical fiber communication Optical fiber polarization Optical fiber sensors passive mode-locking Signal to noise ratio tunable laser
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Beschreibung
Zusammenfassung:	We experimentally research the spectral and temporal properties of a multiwavelength erbium-doped fiber laser based on a nonlinear amplifying loop mirror (NALM). The laser can work in two multiwavelength lasing states by switching the transmission function of the NALM. One state corresponds to the passively mode-locked operation, presenting 78 stable lasing wavelengths and nanosecond-square pulses. The other state is the continuous-wave operation with four tunable lasing wavelengths with narrow linewidth and high signal-to-noise ratio.
ISSN:	1041-1135 1941-0174
DOI:	10.1109/LPT.2013.2275075