Phase-shifting optical quantization for high-speed microwave signals

  • Authors:

  • Xin Fu;Hongming Zhang;Yue Peng;Qingwei Wu;Yuancheng Zhang;Minyu Yao

  • Affiliations:

  • Department of Electronic Engineering, Tsinghua University, State Key Laboratory on Integrated Optoelectronics, Tsinghua National Laboratory for Information Science and Technology, Beijing, China;Department of Electronic Engineering, Tsinghua University, State Key Laboratory on Integrated Optoelectronics, Tsinghua National Laboratory for Information Science and Technology, Beijing, China;Department of Electronic Engineering, Tsinghua University, State Key Laboratory on Integrated Optoelectronics, Tsinghua National Laboratory for Information Science and Technology, Beijing, China;Department of Electronic Engineering, Tsinghua University, State Key Laboratory on Integrated Optoelectronics, Tsinghua National Laboratory for Information Science and Technology, Beijing, China;Department of Electronic Engineering, Tsinghua University, State Key Laboratory on Integrated Optoelectronics, Tsinghua National Laboratory for Information Science and Technology, Beijing, China;Department of Electronic Engineering, Tsinghua University, State Key Laboratory on Integrated Optoelectronics, Tsinghua National Laboratory for Information Science and Technology, Beijing, China

  • Venue:
  • APCC'09 Proceedings of the 15th Asia-Pacific conference on Communications
  • Year:
  • 2009

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Abstract

This paper firstly briefly introduces and reviews the recent developments in phase-shifting optical quantization for high-speed microwave signals, which is one promising branch in all-optical analog-to-digital conversion. After that, a phase-shifting optical quantization system with a sampling rate of 40GS/s and a theoretical read-out-bits of 4-bit is built, and practical considerations for further improvements of both sampling rate and resolution are discussed.