Optimization of precoding phase distribution for frequency-multiplication vector signal generation

Xinying Li*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Generation of optical vector millimeter-wave (mm-wave) signal based on Mach-Zehnder intensity modulator with frequency multiplication can reduce bandwidth requirement of optical and electrical components. A phase precoding scheme with constellation optimization is experimentally demonstrated in one 144-GHz mm-wave signal generation system with frequency sextupling. The bit-error-ratio (BER) performance at one BER of 3.8 × 10-3, hard-decision forward-error-correction threshold, is improved by over 3 dB using this novel scheme for 4-Gbaud quadrature-phase-shift-keying signal at D-band (110-170 GHz).

Original languageEnglish
Article number7934431
JournalIEEE Photonics Journal
Volume9
Issue number3
DOIs
Publication statusPublished - Jun 2017
Externally publishedYes

Keywords

  • Photonic vector signal generation
  • digital signal processing
  • frequency sextupling
  • phase pre-coding
  • receiver sensitivity.

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