Controlling chaos in a semiconductor laser via photoelectric delayed negative-feedback | Zendy

Senlin Yan | Zendy

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Controlling chaos in a semiconductor laser via photoelectric delayed negative-feedback

Author(s) -

Senlin Yan

Publication year - 2008

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.57.2100

Subject(s) - photoelectric effect , laser , photocurrent , chaotic , physics , semiconductor , chaos (operating system) , modulation (music) , semiconductor laser theory , distributed feedback laser , control theory (sociology) , optics , optoelectronics , computer science , control (management) , computer security , artificial intelligence , acoustics

In this papermethods of chaos-control of a semiconductor laser are studied using a photoelectric delayed negative-feedback scheme with additive photoelectric delayed control and the maximum Laypunov exponent of the controlled system is analyzed. Three physical models of photoelectric delayed chaos-control of an injected semiconductor laser are presented. Firstlyby adjusting the delay time or the feedback photocurrent the chaotic laser can be conducted into period-3 state period-5 or other multi-periodic states. Secondly by periodic modulation of the photocurrent into the laser the chaotic laser can be brought into a period-8 states or a period-9 state. Lastly we make use of the photoelectric delayed negative-feedback and an additive current modulation to perform chaos-control the chaotic laser can be stabilized into a single-periodic state or multi-periodic state.

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