MATEC Web of Conferences
Volume 61, 2016The International Seminar on Applied Physics, Optoelectronics and Photonics (APOP 2016)
|Number of page(s)||5|
|Section||Chapter 6 Optoelectronics and Photonics|
|Published online||28 June 2016|
Threshold Characteristics Analysis of Dual-end-pumped Nd3+-doped Gain-guided and Index-antiguided Fiber Lasers
1 College of Optoelectronic Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210023, PR China
2 State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xian, 710119, Shanxi, China
a Corresponding author: firstname.lastname@example.org
An analytical model for dual-end-pumped Nd3+-doped gain-guided and index-antiguided (GG-IAG) fiber laser is established. The corresponding analytical expression of the threshold pump power is obtained by solving the improved rate equations. Pump light propagation and threshold characteristics are both researched. Simulation results show that there are optimum values of N, a and L for the lowest Pth. When a=50μm, L=9cm, N=1.8*1020cm−3, R1s=1, R2s=0.75, the lowest threshold pump power Pth of the GG-IAG fiber laser is about 11.95W, the results of the work may be helpful for the later experiments.
© Owned by the authors, published by EDP Sciences, 2016
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