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Two-wavelength operation of the nonlinear fiber loop mirror
K J Blow1, N J Doran, B K Nayar
1British Telecom Research Laboratories, Martlesham Heath, Ipswich IP5 7RE, United Kingdom.
Optics Letters
|September 18, 2009
Summary
This study details the two-wavelength operation of a nonlinear fiber loop mirror, demonstrating its function as an all-fiber optical modulator. A high-power signal at one wavelength effectively switches a low-power signal at another wavelength.
Area of Science:
- Photonics and Optical Engineering
- Nonlinear Optics
Background:
- Nonlinear fiber loop mirrors (NLFMs) are key components in optical signal processing.
- Understanding their behavior at multiple wavelengths is crucial for advanced applications.
Purpose of the Study:
- To investigate the two-wavelength operation of the nonlinear fiber loop mirror.
- To characterize its performance as an optical modulator.
Main Methods:
- Theoretical modeling of the nonlinear fiber loop mirror.
- Experimental validation of the two-wavelength switching mechanism.
Main Results:
- Demonstrated high-power signal switching a low-power signal at different wavelengths.
- Confirmed the device functions as an all-fiber optical modulator.
Conclusions:
- The nonlinear fiber loop mirror exhibits effective two-wavelength operational capabilities.
- This all-fiber device offers a practical solution for optical modulation.
