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Broadband fiber Bragg grating with channelized dispersion
Optics Express
|June 24, 2009
Summary
Researchers developed a novel multi-channel Fiber Bragg grating (FBG) with a single reflection band. This innovation enables pure phase control for optical pulses without signal loss, benefiting wavelength-division-multiplexing systems.
Area of Science:
- Photonics and Optical Engineering
- Materials Science
Background:
- Fiber Bragg gratings (FBGs) are crucial optical components.
- Existing FBGs often have limitations in spectral control and insertion loss.
Purpose of the Study:
- To introduce a new class of multi-channel Fiber Bragg grating (FBG).
- To achieve channelized dispersion with a single reflection band.
- To enable pure phase control of optical pulses without insertion loss variations.
Main Methods:
- Development of a novel multi-channel FBG design.
- Characterization of the FBG's spectral and loss properties.
Main Results:
- The new FBG class exhibits channelized dispersion within a single reflection band.
- Pure phase control of spectral waveform is achieved.
- No significant insertion-loss-variation was observed.
Conclusions:
- This new FBG technology offers precise spectral waveform control.
- It is suitable for advanced optical communication systems.
- Potential applications include wavelength-division-multiplexing systems.
