Room-temperature multiwavelength erbium-doped fiber ring laser based on phase modulation of semiconductor optical amplifier with lasing-wavelength and spacing tunability

Young-Geun Han; Chul Han Kim; Sang Bae Lee

doi:10.1117/1.2432892

1 March 2007 Room-temperature multiwavelength erbium-doped fiber ring laser based on phase modulation of semiconductor optical amplifier with lasing-wavelength and spacing tunability

Young-Geun Han, Chul Han Kim, Sang Bae Lee

Author Affiliations +

Optical Engineering, Vol. 46, Issue 3, 034202 (March 2007). https://doi.org/10.1117/1.2432892

Abstract

We have experimentally investigated a stably tunable multiwavelength erbium-doped fiber ring laser based on phase modulation of a semiconductor optical amplifier with lasing wavelength and spacing tunability at room temperature. Stable multiwavelength operation is obtained by direct modulation of the bias current in the amplifier. We demonstrate such a laser incorporating a tunable Lyot-Sagnac filter with two segments of polarization-maintaining fibers with wavelength-spacing and lasing wavelength tunability. We successfully achieved 1.0-nm-spacing eight-channel and 0.8-nm-spacing ten-channel lasing wavelengths at room temperature. The lasing wavelength of the laser can be also controlled by a polarization controller.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Young-Geun Han, Chul Han Kim, and Sang Bae Lee "Room-temperature multiwavelength erbium-doped fiber ring laser based on phase modulation of semiconductor optical amplifier with lasing-wavelength and spacing tunability," Optical Engineering 46(3), 034202 (1 March 2007). https://doi.org/10.1117/1.2432892

Published: 1 March 2007

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