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Updated: May 21, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

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Published on: June 8, 2018

A time-domain photonic arbitrary waveform generator.

Jinxin Liao1, He Wen, Xiaoping Zheng

  • 1State Key Laboratory on Integrated Optoelectronics / Tsinghua National Laboratory for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China.

Optics Express
|June 21, 2012
PubMed
Summary
This summary is machine-generated.

A novel photonic arbitrary waveform generator (PAWG) uses optical modulation for flexible, high-quality signal generation. This time-domain approach offers superior dynamic range and scalability for future applications.

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Area of Science:

  • Photonics
  • Optical Communications
  • Signal Generation

Background:

  • Traditional arbitrary waveform generators face limitations in time-bandwidth product and flexibility.
  • Existing time-domain photonic arbitrary waveform generators (PAWGs) have limitations in dynamic range and noise margin.

Purpose of the Study:

  • To propose and demonstrate a novel time-domain photonic arbitrary waveform generator (PAWG).
  • To leverage multi-wavelength optical differential quadrature phase shift keying modulation for enhanced performance.

Main Methods:

  • A time-domain scheme utilizing multi-wavelength optical differential quadrature phase shift keying modulation.
  • Differential detection was employed for signal processing.
  • Experimental demonstration of the proposed PAWG.

Main Results:

  • The proposed time-domain PAWG exhibits a large time-bandwidth product, flexibility, fast refreshing rate, and high waveform quality.
  • Achieved a greater dynamic range and larger noise margin compared to existing methods due to bipolar output.
  • Demonstrated good scalability in resolution and sampling rate.

Conclusions:

  • The developed time-domain PAWG offers significant advantages over frequency-domain methods and other time-domain PAWGs.
  • The integration technology enhances the PAWG's potential for practical applications.
  • This PAWG shows promise for broad future applications in areas requiring precise waveform generation.