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Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
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Highly nonlinear hybrid AsSe-PMMA microtapers.

Chams Baker1, Martin Rochette

  • 1Department of Electrical and Computer Engineering, McGill University, Montréal, Québec, H3A 2A7, Canada.

Optics Express
|July 1, 2010
PubMed
Summary

We developed a novel AsSe microtaper with a PolyMethyl MethAcrylate (PMMA) cladding. This design offers ultrahigh nonlinearity and improved mechanical stability for advanced photonic applications.

Area of Science:

  • Materials Science
  • Optics
  • Photonics

Background:

  • Nonlinear optical materials are crucial for advanced photonic devices.
  • Chalcogenide glasses, like Arsenic Selenide (AsSe), exhibit high nonlinearity.
  • Microtaper structures enhance light-matter interaction.

Purpose of the Study:

  • To fabricate and characterize a novel AsSe microtaper.
  • To incorporate a protective PolyMethyl MethAcrylate (PMMA) cladding.
  • To evaluate the nonlinear properties and mechanical stability of the device.

Main Methods:

  • Fabrication of an AsSe core microtaper.
  • Coating the microtaper with a PMMA cladding.
  • Characterization of optical nonlinearity (gamma) and mechanical properties.

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Main Results:

  • Achieved an ultrahigh nonlinearity of gamma = 133 W(-1)m(-1) in the AsSe core.
  • The PMMA cladding provided enhanced mechanical strength for handling.
  • The cladding reduced environmental sensitivity of the microtaper.

Conclusions:

  • The AsSe/PMMA microtaper is a promising platform for nonlinear optics.
  • The integrated cladding enhances device robustness and practicality.
  • This technology enables development of more efficient and stable photonic devices.