Demonstration of incoherent wavelength-encoding/time-spreading optical CDMA using chirped moire gratings

We demonstrate a wavelength-encoding/time-spreading optical code-division multiple-access system that uses in-fiber chirped moire gratings for encoding/decoding. We present results for a system comprising four users, one desired and three interfering, and operating at the OC-12 transmission speed (6...

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Bibliographic Details
Published in:IEEE photonics technology letters 2000-09, Vol.12 (9), p.1281-1283
Main Authors: Chen, L.R., Smith, P.W.E.
Format: Article
Language:English
Subjects:
Bragg gratings
Chirp
Code division multiple access
Decoding
Diffraction gratings
Encoding
Fiber gratings
Gratings (spectra)
Interference
Multiaccess communication
Optical reflection
Photonics
Rejection
Wavelength measurement
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Summary:We demonstrate a wavelength-encoding/time-spreading optical code-division multiple-access system that uses in-fiber chirped moire gratings for encoding/decoding. We present results for a system comprising four users, one desired and three interfering, and operating at the OC-12 transmission speed (622.08 Mbit/s). Our measurements verify the principle of encoding/decoding and the rejection of multiuser interference.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.874262