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Optical microwave filter based on spectral slicing by use of arrayed waveguide gratings
Daniel Pastor1, Beatriz Ortega, José Capmany
1Optical Communications Group, Departamento de Comunicaciones and IMCO2 Research Institute, Universidad Politécnica de Valencia, Camino de Vera s/n, Valencia 46022, Spain. dpastor@dcom.upv.es
Optics Letters
|September 30, 2003
Summary
Researchers developed a novel optical signal processor using arrayed waveguide gratings. This new design offers enhanced flexibility for optical filtering applications.
Area of Science:
- Photonics and Optical Engineering
- Signal Processing
Background:
- Traditional optical signal processors face limitations in flexibility and tunability.
- Spectral slicing techniques offer potential for reconfigurable optical filters.
Purpose of the Study:
- To demonstrate a new optical signal processor architecture.
- To leverage arrayed waveguide gratings for enhanced spectral slicing.
- To improve tunability, reconfiguration, and apodization capabilities in optical filters.
Main Methods:
- Experimental demonstration of a novel optical signal processor.
- Utilizing arrayed waveguide gratings (AWGs).
- Implementing spectral slicing combined with an optical dispersive medium.
Main Results:
- Successful experimental demonstration of the proposed optical signal processor.
- The structure effectively utilizes spectral slicing and dispersive media.
- Achieved increased flexibility in tunability, reconfiguration, and apodization compared to prior methods.
Conclusions:
- The demonstrated optical signal processor offers a flexible and reconfigurable platform.
- Arrayed waveguide gratings are a viable component for advanced optical signal processing.
- This approach advances the capabilities of transversal optical filters.