Abstract
We have numerically shown that pseudorandom sequences of solitons can be generated by direct modulation of laser diodes (LD) when biasing slightly below threshold [C. R. Mirasso et al, IEEE Photon. Tech. Lett. 7, p. 437, 1995]. Using this bias current pattern effects are avoided and the fluctuations originated in the LD are reduced. In this way electroapsorbtion modulator are not necessary to codify the message.
© 1998 IEEE
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