Active tunable WDM demultiplexer with intrinsic gain based on vectorial parametric amplification.
Optics Letters
|August 1, 2023
Summary
We developed an active tunable wavelength division multiplexing (WDM) demultiplexer using bismuth-oxide fiber. This device efficiently demultiplexes WDM channels with minimal power loss and offers integrated functions.
Area of Science:
- Photonics and Optical Communications
- Nonlinear Optics
- Fiber Optics
Background:
- Wavelength division multiplexing (WDM) is crucial for high-capacity optical networks.
- Existing WDM demultiplexers often face limitations in tunability, compactness, and integration of multiple functions.
- Highly nonlinear optical fibers offer unique properties for advanced optical signal processing.
Purpose of the Study:
- To realize an active tunable WDM demultiplexer.
- To demonstrate the effectiveness of vectorial parametric amplification in bismuth-oxide fiber for demultiplexing.
- To explore the integration of wavelength conversion, filtering, and parametric gain within a single device.
Main Methods:
- Utilized a highly nonlinear bismuth-oxide fiber for vectorial parametric amplification.
- Implemented an active tunable WDM demultiplexer architecture.
- Demonstrated the demultiplexing of a 10 Gbits/s WDM channel.
Main Results:
- Successfully realized an active tunable WDM demultiplexer.
- Achieved demultiplexing of a 10 Gbits/s WDM channel with a low power penalty.
- The device integrated wavelength conversion, filtering, and provided parametric gain.
Conclusions:
- The developed bismuth-oxide fiber WDM demultiplexer is a compact and efficient solution.
- Vectorial parametric amplification in nonlinear fibers is a viable technique for advanced optical signal processing.
- The proposed scheme shows potential for simultaneous time division multiplexing (TDM) and WDM.
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