A multifunctional photonic integrated circuit for diverse microwave signal generation, transmission and processing

Xihua Zou (Corresponding author), Fang Zou, Zizheng Cao (Corresponding author), Bing Lu, Xianglei Yan, Ge Yu, Xiong Deng, Bin Luo, Lianshan Yan, Wei Pan (Corresponding author), Jianping Yao (Corresponding author), Antonius M.J. Koonen (Corresponding author)

Research output: Contribution to journalArticleAcademicpeer-review

27 Citations (Scopus)
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Abstract

Microwave photonics (MWP) studies the interaction between microwaves and optical waves for the generation, transmission, and processing of microwave signals (i.e., three key domains), taking advantage of the broad bandwidth and low loss offered by modern photonics. Integrated MWP using photonic integrated circuits (PICs) can reach a compact, reliable, and green implementation. Most PICs, however, are recently developed to perform one or more functions restricted inside a single domain. Herein, as highly desired, a multifunctional PIC is proposed to cover the three key domains. The PIC is fabricated on an InP platform by monolithically integrating four laser diodes and two modulators. Using the multifunctional PIC, seven fundamental functions across microwave signal generation, transmission, and processing are demonstrated experimentally. Outdoor field trials for electromagnetic environment surveillance along in-service high-speed railways are also performed. The success of such a PIC marks a key step forward for practical and massive MWP implementations.

Original languageEnglish
Article number1800240
Number of pages10
JournalLaser & Photonics reviews
Volume13
Issue number6
DOIs
Publication statusPublished - Jun 2019

Keywords

  • broadband wireless communications
  • electromagnetic environment surveillance
  • integrated microwave photonics
  • microwave signal generation/transmission/processing
  • photonic integrated circuits

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