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Author: search.filters.author.Pornsuwancharoen, N.Subject: search.filters.subject.Fast and slow lights

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    Item type:Publication,
    Generalized fast and slow lights using multi-state microring resonators for optical wireless links
    (2010-10-01)
    Pornsuwancharoen, N.
    ;
    Sangwara, N.
    ;
    Yupapin, P. P.
    We propose an interesting result on fast and slow light generation using nonlinear microring resonators. When a soliton pulse is generated within the first ring resonator, the specific signals can be generated using the chaotic filter characteristics of light pulses travelling within the microring devices. We have demonstrated that two different frequency bands can be generated and they are suitable for use in optical wireless links. The other application of fast and slow lights is also presented, whereas signal security can be formed using the add/drop device to retrieve the original signal from the chaotic noisy signals. The key advantage is that the original signal can be kept in secret without any tapping due to the problem of fast light pulses and noisy signals, which are difficult to intercept. © 2009 Elsevier GmbH. All rights reserved.