A novel OCDMA drop unit based on fiber gratings and 2D wavelength-time codes
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Abstract:
A novel drop unit for the optical code-division multiple access (OCDMA) based on fiber Bragg gratings and two-dimensional wavelength-time code is studied. The simple OCDMA drop unit can drop a code channel without disturbing the rest code channels. A similar unit for dropping a group of code channels is also proposed. Numerical simulation is given. The system delay can decrease by substituting the electrieal driving optical switch with a specific optical driving. The single channel drop unit can also be the basis for multiple channels drop. Supported by National Hi-tech 863 project (No. 2002 AA 311141)
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Clc Number:
TN929.11
