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Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters
Published on: February 4, 2018
Multiple-bipolar-tap tunable spectrum sliced microwave photonic filter
Tong Chen1, Xiaoke Yi, Thomas Huang
1School of Electrical and Information Engineering, Institute of Photonics and Optical Science, The University of Sydney, New South Wales 2006, Australia.
Optics Letters
|December 3, 2010
Summary
A novel all-fiber microwave photonic signal processor enables versatile radio frequency (RF) filtering. This reconfigurable system offers tunable, bipolar tap capabilities for advanced signal processing applications.
Area of Science:
- Photonics
- Optical Signal Processing
- Microwave Engineering
Background:
- Microwave photonic signal processing offers high bandwidth and immunity to electromagnetic interference.
- Existing systems often face limitations in tunability, reconfigurability, and tap generation.
Purpose of the Study:
- To present a novel, all-fiber microwave photonic signal processor.
- To demonstrate its capabilities in tunability, reconfigurability, and bipolar tap generation for RF filtering.
Main Methods:
- The processor utilizes thermally controlled optical slicing filters.
- These filters are induced into two linearly chirped fiber Bragg gratings.
- An all-fiber architecture ensures simplicity and robustness.
Main Results:
- The experimental results confirm the realization of versatile microwave photonic filters.
- The system demonstrates frequency tunability and reconfiguration capabilities.
- Bipolar tap generation for RF filtering was successfully achieved.
Conclusions:
- The proposed all-fiber structure provides a simple yet powerful platform for microwave photonic signal processing.
- The demonstrated tunability and reconfigurability open new avenues for advanced RF filter design.
- This technology is promising for applications requiring flexible and high-performance signal processing.
