Modification of optical coherence using spectral phase coding for use in photonic code-division multiple access systems

1993 ◽  
Vol 29 (25) ◽  
pp. 2214 ◽  
Author(s):  
R.A. Griffin ◽  
D.A. Jackson ◽  
D.D. Sampson
2013 ◽  
Vol 760-762 ◽  
pp. 133-136
Author(s):  
Xiao Gang Chen ◽  
Chao Jiang ◽  
Zhao Xu Liu ◽  
De Xiu Huang

The spectral efficiency and bit-error-rate (BER) of phase encoding optical code division multiple access (OCDMA) systems is evaluated, coherent time-spreading (TS) and spectral phase encoding (SPE) OCDMA systems are considered. The results indicate that SPE-OCDMA has better tolerance to performance degradation due to receivers bandwidth limitation than TS-OCDMA system, while for the practical en/decoders with implementable longest code length, TS-OCDMA can yield a spectral efficiency advantage over SPE-OCDMA systems.


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