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Temperature compensation of multimode-interference-based fiber devices.

Enbang Li1

  • 1College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, China. enbang@uow.edu.au

Optics Letters
|July 17, 2007
PubMed
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Single-mode-multimode-single-mode (SMS) fiber structures offer effective multimode interference (MMI). Temperature compensation for SMS devices is achieved using specific materials, demonstrating high temperature stability.

Area of Science:

  • Optical Fiber Technology
  • Photonics
  • Materials Science

Background:

  • Single-mode-multimode-single-mode (SMS) fiber structures are established for multimode interference (MMI) in optical fibers.
  • Understanding the temperature dependence of SMS device spectral characteristics is crucial for stable optical sensing applications.

Purpose of the Study:

  • To investigate the temperature dependence of spectral characteristics in SMS fiber devices.
  • To demonstrate temperature compensation for SMS devices by leveraging their response to temperature and strain.
  • To achieve high temperature stability in SMS fiber devices for practical applications.

Main Methods:

  • Fabrication of SMS fiber structures.
  • Experimental characterization of spectral responses to temperature variations.

Related Experiment Videos

  • Utilizing materials with specific coefficients of thermal expansion for packaging.
  • Investigating the interplay between temperature and axial tensile strain responses.

    • Main Results:

    • SMS fiber devices exhibit distinct spectral responses to temperature changes.
    • Temperature compensation was successfully realized by selecting appropriate packaging materials.
    • An experimental temperature stability of 1.0 pm/°C was achieved using a ceramic packaging material.

    Conclusions:

    • SMS fiber structures are versatile for MMI applications.
    • Temperature compensation is feasible by carefully selecting packaging materials based on thermal expansion properties.
    • The demonstrated temperature stability highlights the potential of SMS devices in environments with fluctuating temperatures.