Multiwa¨elength oscillation has been obtained in an erbium-doped fiber laser. A double-pass optical fiber Mach᎐Zehnder interferometer is employed as a comb filter inside the laser ca¨ity. To reduce the homogeneous linewidth, the erbium-doped optical fiber was immersed in liquid nitrogen. Simultaneou
Multiwavelength YB-doped fiber ring laser based on a Mach-Zehnder interferometer
✍ Scribed by Chenghou Tu; Wengang Guo; Yongnan Li; Shuanggen Zhang; Hui Zhu; Fuyun Lu
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 402 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
We proposed and demonstrated a room‐temperature multiwavelength Yb‐doped fiber ring laser with high stability based on a Mach‐Zehnder interferometer by exploiting spatial hole burning and polarization hole burning effects, from which stable eight lasing wavelengths is obtained. The number of the lasing wavelengths (eight) is the most to our knowledge, and the wavelength spacing is 1.1 nm. Triple‐, and dual‐wavelength operation with the wavelength spacing of 1.1 nm or its integral multiples have been obtained by adjusting the intracavity polarization controllers. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 723–725, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23206
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