| ZHANG Ai-ling,CHENG Qi-hang,SONG Hong-yun,PAN Hong-gang.Optical arbitrary waveform generation based on an array of tunable apodized waveguide Bragg gratings[J].Optoelectronics Letters,2020,16(3):195-199 |
| Optical arbitrary waveform generation based on an array of tunable apodized waveguide Bragg gratings |
| Author Name | Affiliation | | 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 | | CHENG Qi-hang | 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 | | 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 |
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| Abstract: |
| A structure of optical arbitrary waveform generation (OAWG) based on an array of tunable apodized waveguide Bragg gratings (WBGs) is proposed. The WBGs array on lithium niobate (LN) consists of several apodized gratings, waveguides and electrodes deposited on both sides of gratings and waveguides. The properties of OAWG are analyzed using transfer matrix method. Due to the electro-optic effect of LN, the amplitude and phase of incident light source are controlled via adjusting the voltages on electrodes. Consequently, the optical pulses with different waveforms are obtained and the amplitude is linearly tuned. In addition, voltages compensating amplitude and phase distortion are demonstrated. |
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