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Related Experiment Videos

Mode multiplexing in optical frequency mixers.

Jonathan R Kurz1, Jie Huang, Xiuping Xie

  • 1Edward L. Ginzton Laboratory, Stanford University, Stanford, California 94305, USA. jonkurz@yahoo.com

Optics Letters
|March 24, 2004
PubMed
Summary

Asymmetric Y junctions enable novel optical frequency mixers using higher-order waveguide modes. Researchers achieved high-contrast mode sorting and demonstrated a unique wavelength converter for spectral inversion.

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Area of Science:

  • Photonics and Waveguide Optics
  • Nonlinear Optics
  • Integrated Optics

Background:

  • Asymmetric Y junctions are key components in integrated photonics.
  • Higher-order waveguide modes offer potential for advanced optical signal processing.
  • Efficient mode manipulation is crucial for developing new optical functionalities.

Purpose of the Study:

  • To explore the use of asymmetric Y junctions for optical frequency mixing.
  • To demonstrate high-contrast mode sorting using higher-order modes.
  • To develop an odd-to-even mode wavelength converter for spectral inversion.

Main Methods:

  • Fabrication and characterization of asymmetric Y junctions in periodically poled lithium niobate waveguides.
  • Utilizing efficient TM00, TM10, and TM20 mode mixing for mode sorting.

Related Experiment Videos

  • Implementing a novel technique for wavelength conversion and spectral inversion.

    • Main Results:

    • Achieved high-contrast (>30 dB) mode sorting in asymmetric Y junctions.
    • Demonstrated efficient mixing of TM00, TM10, and TM20 modes.
    • Successfully implemented an odd-to-even mode wavelength converter capable of spectral inversion without offset.

    Conclusions:

    • Asymmetric Y junctions are effective for higher-order mode manipulation in optical signal processing.
    • The demonstrated mode sorting and wavelength conversion techniques open new avenues for optical frequency mixers.
    • This work advances the development of integrated photonic devices for advanced spectral manipulation.