| LIU Li,XU Tie-feng,DAI Zhen-xiang,DAI Shi-xun,andLIU Tai-jun.A simplified tunable frequency interval optical frequency comb generator using a single continuous-wave laser[J].Optoelectronics Letters,2017,13(2):104-107 |
| A simplified tunable frequency interval optical frequency comb generator using a single continuous-wave laser |
| Author Name | Affiliation | | LIU Li | Faculty of Electrical Engineering and Computer Science, Ningbo University, Ningbo 315211, China
Faculty of Information Engineering, Ningbo Dahongying University, Ningbo 315175, China | | XU Tie-feng | Faculty of Electrical Engineering and Computer Science, Ningbo University, Ningbo 315211, China | | DAI Zhen-xiang | Institute of Ningbo Education, Ningbo 315016, China | | DAI Shi-xun | Faculty of Electrical Engineering and Computer Science, Ningbo University, Ningbo 315211, China | | andLIU Tai-jun | Faculty of Electrical Engineering and Computer Science, Ningbo University, Ningbo 315211, China |
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| Abstract: |
| We propose and demonstrate a simplified and tunable frequency interval optical frequency comb (OFC) generator based on a dual-drive Mach-Zehnder modulator (DD-MZM) using a single continuous-wave (CW) laser and low-power radio frequency (RF) driven signal. A mathematical model for the scheme is established. The 21- and 29-mode OFCs with frequency interval ranging from 6 GHz to 40 GHz are obtained under DD-MZM driven by a low-power RF signal within a maximum bandwidth of 1.12 THz. The generated OFCs exhibit spectral flatnesses of less than 0.5 dB and 0.8 dB within bandwidths of 160 GHz and 400 GHz, respectively. |
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