Chinese Optics Letters, 2018, 16 (12): 120602, Published Online: Dec. 7, 2018
Switching response of dual-output Mach–Zehnder modulator in channel-interleaved photonic analog-to-digital converter Download: 631次
Abstract
This Letter theoretically and experimentally studies the response of photonic switching in a channel-interleaved photonic analog-to-digital converter (PADC) with high sampling rate and wide input frequency range. A figure of merit (FoM) is introduced to evaluate the switching response of the PADC when a dual-output Mach–Zehnder modulator (MZM) serves as the photonic switch to parallelize the sampled pulse train into two channels. After the optimization of the FoM and utilization of the channel-mismatch compensation algorithm, the system bandwidth of PADC is expanded and the signal-to-distortion ratio is enhanced.
Lei Yu, Weiwen Zou, Guang Yang, Xinwan Li, Jianping Chen. Switching response of dual-output Mach–Zehnder modulator in channel-interleaved photonic analog-to-digital converter[J]. Chinese Optics Letters, 2018, 16(12): 120602.