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Writing Bragg Gratings in Multicore Fibers
Published on: April 20, 2016
Ultrashort pulse propagation in multiple-grating fiber structures.
Optics Letters
|March 15, 1997
Summary
We developed a novel fiber structure that splits ultrashort optical pulses into multiple wavelengths and times. This technology enables advanced optical communication systems by creating tailored pulse trains for multiplexing and code-division multiple access.
Area of Science:
- Optics and Photonics
- Fiber Optics
- Optical Communications
Background:
- Ultrashort broadband optical pulses are crucial for high-speed data transmission.
- Current methods for pulse manipulation can be complex and limited in scope.
Purpose of the Study:
- To propose and demonstrate a novel multiple-grating fiber structure.
- To achieve simultaneous decomposition of optical pulses in both wavelength and time domains.
Main Methods:
- Utilized a three-grating fiber structure.
- Employed a transform-limited 1-picosecond Gaussian pulse centered at 1.55 μm as input.
- Experimental validation against theoretical simulations.
Main Results:
- Successfully generated three output pulses with distinct wavelengths and temporal separations.
- Demonstrated good correlation between experimental outcomes and simulation predictions.
- Validated the simultaneous wavelength and time decomposition capability.
Conclusions:
- The proposed multiple-grating fiber structure effectively decomposes ultrashort broadband optical pulses.
- This device offers potential applications in wavelength-division-multiplexed (WDM) systems.
- It can be utilized for frequency-domain encoding in optical code-division multiple access (OCDMA) systems.
