✦ LIBER ✦

Switchable triple-wavelength erbium-doped fiber laser using a single fiber Bragg grating in polarization-maintaining fiber

✍ Scribed by Zhanyuan Liu; Yan-ge Liu; Jiangbing Du; Shuzhong Yuan; Xiaoyi Dong

Publisher: Elsevier Science
Year: 2007
Tongue: English
Weight: 411 KB
Volume: 279
Category: Article
ISSN: 0030-4018
DOI: 10.1016/j.optcom.2007.07.027

No coin nor oath required. For personal study only.

✦ Synopsis

A stable and narrow wavelength spacing multiwavelength erbium-doped fiber laser is proposed and demonstrated. The laser can produce simultaneous dual-and triple-wavelength lasing oscillations with a narrow wavelength spacing of less than 0.1 nm via using a single fiber Bragg gratings written in polarization-maintaining (PM) fiber. By adjusting polarization controller, the wavelength spacing of dualwavelength lasing oscillations can be tuned to as small as 0.032 nm. The maximum amplitude variation for every lasing wavelength is less than 0.5 dB. The room-temperature operation principle is based on the polarization hole burning and deeply saturated effect in an ordinary erbium-doped fiber ring laser (EDFRL). The laser has the advantages of simple all-fiber configuration, low cost, high stability and operating at room temperature.

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