Picosecond optical pulse processing using a terahertz-bandwidth reconfigurable photonic integrated circuit

Yiwei Xie, Leimeng Zhuang, Arthur J. Lowery

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Chip-scale integrated optical signal processors promise to support a multitude of signal processing functions with bandwidths beyond the limit of microelectronics. Previous research has made great contributions in terms of demonstrating processing functions and device building blocks. Currently, there is a significant interest in providing functional reconfigurability, to match a key advantage of programmable microelectronic processors. To advance this concept, in this work, we experimentally demonstrate a photonic integrated circuit as an optical signal processor with an unprecedented combination of two key features: reconfigurability and terahertz bandwidth. These features enable a variety of processing functions on picosecond optical pulses using a single device. In the experiment, we successfully verified clock rate multiplication, arbitrary waveform generation, discretely and continuously tunable delays, multi-path combining and bit-pattern recognition for 1.2-ps-duration optical pulses at 1550 nm. These results and selected head-to-head comparisons with commercially available devices show our device to be a flexible integrated platform for ultrahigh-bandwidth optical signal processing and point toward a wide range of applications for telecommunications and beyond.

Original languageEnglish
Pages (from-to)837-852
Number of pages16
JournalNanophotonics
Volume7
Issue number5
DOIs
Publication statusPublished - 2018

Keywords

  • integrated optics
  • photonic integrated circuit
  • picosecond pulse processing
  • waveguide

Cite this

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abstract = "Chip-scale integrated optical signal processors promise to support a multitude of signal processing functions with bandwidths beyond the limit of microelectronics. Previous research has made great contributions in terms of demonstrating processing functions and device building blocks. Currently, there is a significant interest in providing functional reconfigurability, to match a key advantage of programmable microelectronic processors. To advance this concept, in this work, we experimentally demonstrate a photonic integrated circuit as an optical signal processor with an unprecedented combination of two key features: reconfigurability and terahertz bandwidth. These features enable a variety of processing functions on picosecond optical pulses using a single device. In the experiment, we successfully verified clock rate multiplication, arbitrary waveform generation, discretely and continuously tunable delays, multi-path combining and bit-pattern recognition for 1.2-ps-duration optical pulses at 1550 nm. These results and selected head-to-head comparisons with commercially available devices show our device to be a flexible integrated platform for ultrahigh-bandwidth optical signal processing and point toward a wide range of applications for telecommunications and beyond.",
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Picosecond optical pulse processing using a terahertz-bandwidth reconfigurable photonic integrated circuit. / Xie, Yiwei; Zhuang, Leimeng; Lowery, Arthur J.

In: Nanophotonics, Vol. 7, No. 5, 2018, p. 837-852.

Research output: Contribution to journalArticleResearchpeer-review

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