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Arbitrary free spectral range control of optical frequency combs based on an optical tapped delay line structure cascaded with a phase modulator

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【Author】 WEI Xinhang;MU Hongqian;LI Min;PEI Li;WANG Muguang;LIU Yan;Key Laboratory of All Optical Network and Advanced Telecommunication Network, Ministry of Education, Institute of Lightwave Technology, Beijing Jiaotong University;

【通讯作者】牟宏谦;

【机构】 Key Laboratory of All Optical Network and Advanced Telecommunication Network, Ministry of Education, Institute of Lightwave Technology, Beijing Jiaotong University；

【摘要】 We propose and demonstrate a simple method to accomplish arbitrary free spectral range(FSR) control of optical frequency combs(OFC). The approach is based on the combination of an optical tapped delay line(OTDL) structure and a phase modulator(PM). The OTDL structure is utilized to multiply the FSR of input OFC, and the PM is used to divide the FSR of the consequent OFC. We illustrate that the proposed method allows one to divide or multiply the FSR of original OFC by any anticipated integer or fractional factor. Numerical simulation results match well with our theoretical analysis.更多还原

【Abstract】 We propose and demonstrate a simple method to accomplish arbitrary free spectral range(FSR) control of optical frequency combs(OFC). The approach is based on the combination of an optical tapped delay line(OTDL) structure and a phase modulator(PM). The OTDL structure is utilized to multiply the FSR of input OFC, and the PM is used to divide the FSR of the consequent OFC. We illustrate that the proposed method allows one to divide or multiply the FSR of original OFC by any anticipated integer or fractional factor. Numerical simulation results match well with our theoretical analysis.更多还原

【关键词】 modulator； cascaded； multiply； illustrate； utilized； integer； accomplish； fractional； divide； arbitrary；

【基金】 supported by the Fundamental Research Funds for the Central Universities (No.2019JBM010);the National Natural Science Foundation of China (Nos.61775015 and 61827817)

【文献出处】 Optoelectronics Letters ,光电子快报(英文版) , 编辑部邮箱 ,2021年07期

【分类号】O43
【下载频次】25

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