Title :
Demonstration of a four-channel WDM/OCDMA system using 255-chip 320-Gchip/s quarternary phase coding gratings
Author :
Teh, P.C. ; Ibsen, M. ; Lee, J.H. ; Petropoulos, P. ; Richardson, D.J.
Author_Institution :
Optoelectron. Res. Centre, Southampton Univ., UK
Abstract :
In this letter, we report the fabrication and application of 255-chip 320 Gchip/s quaternary phase superstructure fiber Bragg gratings (SSFBGs) for optical code generation and recognition in a four-channel wavelength-division-multiplexing (WDM)/optical code-division-multiplexing (OCDM) experiment. Individual users of the system operate with different coding schemes, repetition rates, and wavelengths. Our experiments show that a single SSFBG can be used to perform simultaneous optical decoding and wavelength channel selection.
Keywords :
Bragg gratings; code division multiple access; decoding; phase coding; wavelength division multiplexing; code recognition; fabrication; four-channel WDM/OCDMA system; optical code generation; optical code-division multiplexing; optical decoding; phase modulation profile; quarternary phase coding gratings; spectral reflectivity profiles; superstructure fiber Bragg gratings; varying refractive index modulation; wavelength channel selection; Code division multiplexing; Decoding; Gratings; Matched filters; Multiaccess communication; Optical fiber networks; Optical filters; Optical refraction; Optical variables control; Wavelength division multiplexing;
Journal_Title :
Photonics Technology Letters, IEEE
