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Microring-based optical pulse-train generator.

Shang Wang1, Berkehan Ciftcioglu, Hui Wu

  • 1Laboratory for Advanced Integrated Circuits and Systems, Department of Electrical and Computer Engineering, University of Rochester, Rochester, NY 14627, USA.

Optics Express
|October 14, 2010
PubMed
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A novel photonic integrated circuit generates multiple optical pulses from one trigger pulse. This optical pulse-train generator offers precise control over pulse timing and amplitude for advanced applications.

Area of Science:

  • Photonics and Optical Engineering
  • Integrated Circuit Design

Background:

  • Microring resonators are fundamental components in photonic integrated circuits.
  • Generating precise optical pulse trains is crucial for high-speed optical communications and signal processing.

Purpose of the Study:

  • To present a novel optical pulse-train generator based on microring resonators.
  • To demonstrate the application of transfer matrix analysis and time-interleaved architecture for pulse generation.

Main Methods:

  • Utilized transfer matrix analysis for microring resonator design.
  • Implemented a time-interleaved architecture for sequential pulse generation.
  • Designed and simulated a four-tap prototype pulse-train generator.

Main Results:

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  • Successfully designed a photonic integrated circuit capable of generating multiple optical pulses sequentially.
  • Demonstrated control over the timing and amplitude of individual pulses through circuit design.
  • Identified and discussed the challenges in distributed optical power combining.

Conclusions:

  • The developed optical pulse-train generator is a promising platform for optical arbitrary waveform generation and ultrafast electro-optic modulation.
  • The design techniques are applicable to other large-scale photonic integrated circuit applications.
  • Further research into power combining is needed for practical implementation.