Lasers, Fiber Optics, and Communications

Demonstration of a stable and uniform single-wavelength erbium-doped fiber laser based on microfiber knot resonator

[+] Author Affiliations
Yiping Xu

Yangtze University, School of Physics and Optoelectronic Engineering, No. 1, Nanhuan Road, Jingzhou, Hubei 434023, China

Liyong Ren, Xudong Kong, Kaili Ren

Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, State Key Laboratory of Transient Optics and Photonics, No. 17, XinXi Road, New Industrial Park, High-tech Zone, Xi’an 710119, China

Chengju Ma

Xi’an Shiyou University, School of Science, No. 18, DianZiEr Road, Yan-Ta Zone, Xi’an 710065, China

Opt. Eng. 55(12), 126111 (Dec 28, 2016). doi:10.1117/1.OE.55.12.126111
History: Received October 6, 2016; Accepted December 6, 2016
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Abstract.  We propose and demonstrate an application of microfiber knot resonator (MKR) in the generation of a stable and uniform single-wavelength erbium-doped fiber laser (EDFL). An MKR was fabricated using a microfiber a few micrometers in diameter. By embedding the MKR to the ring cavity of the EDFL, a laser with a wavelength of 1558.818 nm and a 3-dB linewidth of 0.0149 nm is demonstrated. The side mode suppression ratio of the laser is about 30 dB, and the maximum power fluctuation is about 0.85 dB. The results demonstrate that the MKR can be employed as a high-performance comb filter to realize a stable and uniform fiber laser.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Yiping Xu ; Liyong Ren ; Chengju Ma ; Xudong Kong and Kaili Ren
"Demonstration of a stable and uniform single-wavelength erbium-doped fiber laser based on microfiber knot resonator", Opt. Eng. 55(12), 126111 (Dec 28, 2016). ; http://dx.doi.org/10.1117/1.OE.55.12.126111


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