Abstract
In this paper, we propose a much compact ultrashort optical pulse repetition rate multiplication approach based on two-core-fiber Mach–Zehnder interferometer. Since the temporal period is approximately inverse-proportional to its spectral spacing, the repetition rate of output pulses can be doubled (Multiplication factor N = 2) by selecting the proper modes and suppressing the undesired spectral lines. Influences of the input frequency deviation and the input/output coupling coefficients (Cin, Cout) on the quality of multiplied pulses are investigated. Results demonstrate that the multiplication scheme works well for the input frequency deviation of 3% and Cin (Cout) ranging from 0.4 to 0.6.
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Project supported by the National Natural Science Foundation (Grant No. 61007007), the talents of North China University of Technology (CCXZ201307) and Foundation of China Scholarship Council (No. 201708110009).
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Dong, X., Xu, M. & Pang, L. Ultrashort optical pulse repetition rate multiplication based on two-core-fiber Mach–Zehnder interferometer. Opt Quant Electron 50, 306 (2018). https://doi.org/10.1007/s11082-018-1575-0
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DOI: https://doi.org/10.1007/s11082-018-1575-0