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Demonstration of a directed optical decoder using two cascaded microring resonators.

Yonghui Tian1, Lei Zhang, Ruiqiang Ji

  • 1Optoelectronic System Laboratory, Institute of Semiconductors, Chinese Academy of Sciences, Beijing, China.

Optics Letters
|September 3, 2011
PubMed
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This study demonstrates a novel optical decoder using microring resonators. The device converts two electrical signals into four optical signals, advancing optical signal processing.

Area of Science:

  • Photonics
  • Optical Engineering
  • Signal Processing

Background:

  • Integrated photonic devices are crucial for modern communication systems.
  • Efficient optical signal decoding is essential for high-speed data processing.
  • Microring resonators offer tunable optical filtering and switching capabilities.

Purpose of the Study:

  • To propose and demonstrate a directed optical decoder.
  • To achieve conversion from a two-bit electrical signal to a four-bit optical signal.
  • To utilize cascaded microring resonators for optical decoding.

Main Methods:

  • Employing two cascaded microring resonators.
  • Modulating microring resonators using a two-bit electrical signal via the thermo-optic effect.

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  • Observing the four-bit optical signal at the output ports.

    • Main Results:

    • Successful demonstration of a directed optical decoder.
    • Achieved decoding of a two-bit electrical input to a four-bit optical output.
    • Device operation demonstrated at a data rate of 10 kbps.

    Conclusions:

    • The proposed microring resonator-based decoder effectively performs the desired signal conversion.
    • Thermo-optic modulation of microring resonators is a viable method for optical decoding.
    • The demonstrated device shows potential for applications in optical signal processing and communication.