L. Tancevski et I. Andonovic, WAVELENGTH HOPPING TIME SPREADING CODE-DIVISION MULTIPLE-ACCESS SYSTEMS, Electronics Letters, 30(17), 1994, pp. 1388-1390
An incoherent optical code division multiple access (CDMA) concept usi
ng a combination of wavelength hopping and time spreading is introduce
d employing prime-hop sequences, which feature an autocorrelation func
tion with zero sidelobes and crosscorrelation function of at most 1. C
onsequently, the number of stations in the network and the number of s
imultaneous users that can be supported is greatly increased. The syst
em is suitable for truly asynchronous highly secure LAN applications.