ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Tunable microwave signal generation based on an Opto-DMD processor and a photonic crystal fiber |
Wang Tao (王涛)a, Sang Xin-Zhu (桑新柱)a, Yan Bin-Bin (颜玢玢)a, Ai Qi (艾琪)b, Li Yan (李妍)a, Chen Xiao (陈笑)b, Zhang Ying (张颖)b, Chen Gen-Xiang (陈根祥)b, Song Fei-Jun (宋菲君)a, Zhang Xia (张霞)a, Wang Kui-Ru (王葵如)a, Yuan Jin-Hui (苑金辉)a, Yu Chong-Xiu (余重秀)a, Xiao Feng (肖峰)c, Alameh Kamalc |
a State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China;
b College of Science, Minzu University of China, Beijing 100081, China;
c WA Center of Excellence for MicroPhotonic System, Electron Science Research Institute, Edith Cowan University, Joondalup, WA 6027, Australia |
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Abstract Frequency-tunable microwave signal generation is proposed and experimentally demonstrated with a dual-wavelength single-longitudinal-mode (SLM) erbium-doped fiber ring laser based on a digital Opto-DMD processor and four-wave mixing (FWM) in a high-nonlinear photonic crystal fiber (PCF). The high-nonlinear PCF is employed for the generation of the FWM to obtain stable and uniform dual-wavelength oscillation. Two different short passive sub-ring cavities in the main ring cavity serve as mode filters to make SLM lasing. The two lasing wavelengths are electronically selected by loading different gratings on the Opto-DMD processor controlled with a computer. The wavelength spacing can be smartly adjusted from 0.165 nm to 1.08 nm within a tuning accuracy of 0.055 nm. Two microwave signals at 17.23 GHz and 27.47 GHz are achieved. The stability of the microwave signal is discussed. The system has the ability to generate a 137.36-GHz photonic millimeter signal at room temperature.
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Received: 28 September 2013
Revised: 19 November 2013
Accepted manuscript online:
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PACS:
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42.55.Wd
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(Fiber lasers)
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42.55.Tv
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(Photonic crystal lasers and coherent effects)
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Fund: Project supported by the National Basic Research Program of China (Grant No. 2010CB327605), the Specialized Research Fund for the Doctoral Program of Higher Education, China (Grant No. 20120005120021), the Fundamental Research Funds for the Central Universities, China (Grant No. 2013RC1202), the Program for New Century Excellent Talents in University, China (Grant No. NECT-11-0596), and the Beijing Nova Program, China (Grant No. 2011066). |
Corresponding Authors:
Wang Tao
E-mail: tomwangbupt@163.com
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Cite this article:
Wang Tao (王涛), Sang Xin-Zhu (桑新柱), Yan Bin-Bin (颜玢玢), Ai Qi (艾琪), Li Yan (李妍), Chen Xiao (陈笑), Zhang Ying (张颖), Chen Gen-Xiang (陈根祥), Song Fei-Jun (宋菲君), Zhang Xia (张霞), Wang Kui-Ru (王葵如), Yuan Jin-Hui (苑金辉), Yu Chong-Xiu (余重秀), Xiao Feng (肖峰), Alameh Kamal Tunable microwave signal generation based on an Opto-DMD processor and a photonic crystal fiber 2014 Chin. Phys. B 23 064217
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