ZHANG Ai-ling,ZHANG Yue,SONG Hong-yun,YAO Yuan,PAN Hong-gang.An optical modulation format generation scheme based on spectral filtering and frequency-to-time mapping[J].Optoelectronics Letters,2018,14(1):36-39
An optical modulation format generation scheme based on spectral filtering and frequency-to-time mapping
Author NameAffiliation
ZHANG Ai-ling Tianjin Key Laboratory of Film Electronic and Communication Devices, Engineering Research Center of Ministry of Education for Optoelectronic Devices and Communication Technology, School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, China 
ZHANG Yue Tianjin Key Laboratory of Film Electronic and Communication Devices, Engineering Research Center of Ministry of Education for Optoelectronic Devices and Communication Technology, School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, China 
SONG Hong-yun Tianjin Key Laboratory of Film Electronic and Communication Devices, Engineering Research Center of Ministry of Education for Optoelectronic Devices and Communication Technology, School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, China 
YAO Yuan Tianjin Key Laboratory of Film Electronic and Communication Devices, Engineering Research Center of Ministry of Education for Optoelectronic Devices and Communication Technology, School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, China 
PAN Hong-gang Tianjin Key Laboratory of Film Electronic and Communication Devices, Engineering Research Center of Ministry of Education for Optoelectronic Devices and Communication Technology, School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, China 
Abstract:
      An optical modulation format generation scheme based on spectral filtering and frequency-to-time mapping is experimentally demonstrated. Many modulation formats with continuously adjustable duty radio and bit rate can be formed by changing the dispersion of dispersion element and the bandwidth of shaped spectrum in this scheme. In the experiment, non-return-to-zero (NRZ) signal with bit rate of 29.41 Gbit/s and 1/2 duty ratio return-to-zero (RZ) signal with bit rate of 13.51 Gbit/s are obtained. The maximum bit rate of modulation format signal is also analyzed.
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