Optoelectronic or all-optical logic gates using chaotic semiconductor lasers using mutual coupling-feedback | Zendy

Senlin Yan | Zendy

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Optoelectronic or all-optical logic gates using chaotic semiconductor lasers using mutual coupling-feedback

Author(s) -

Senlin Yan

Publication year - 2011

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.60.050509

Subject(s) - synchronizing , semiconductor laser theory , coupling (piping) , synchronization (alternating current) , optoelectronics , chaotic , physics , laser , diode , logic gate , modulation (music) , optical chaos , computer science , optics , topology (electrical circuits) , materials science , electrical engineering , engineering , algorithm , artificial intelligence , acoustics , metallurgy

We present theoretically the construction of the fundamental gates using two injection semiconductor laser diodes by muans of mutual coupling-feedback. Two laser diodes driven by a common monochromatic light beam run chaos while chaotic synchronization between the two lasers is achieved by coupling-feedback. The optoelectronic logic gate is implemented by appropriately synchronizing or de-synchronizing the two chaotic states by modulating the currents. The all-optical logic gate is finally implemented by appropriately synchronizing or de-synchronizing the two chaotic states via the modulators modulating the coupling lights, which is an external optical modulation method. Numerical results validated the feasibility of the method.

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