3-lambda characterization of phase response for optical receivers
Yifei Wang, Qian Hu, Xi Chen, An Li, Trevor Anderson, William Shieh
OPTICS LETTERS | OPTICAL SOC AMER | Published : 2014
We propose a novel digital signal processing (DSP) algorithm for photodiode characterization probed by three wavelengths. The DSP algorithm has low computational complexity. The required number of measurements increases logarithmically with the number of spectral points. For the first time to our knowledge, the phase response of photodiode is characterized up to 20 GHz.
This work was supported in part by NICTA. NICTA is funded by the Australian Government as represented by the Department of Broadband, Communications and the Digital Economy and the Australian Research Council through the ICT centre of Excellence program.