Chaotic Dynamics for Laser Diode under Unidirectional and Mutual Optical Injection with Optoelectronic Feedback

Nonlinear and disorganized action for a constant issuance (CW) ray of light diode accompanying a Fabry-Perot crater are being examined tentatively to evolve a new disorganized transmitter structure. Uni-directional and bi-directional ocular dose configurations were assembled accompanying and outside optoelectronic response (OEFB) and even direct timbre. Another chance is further examined, place the needle is everted to respect action create in the second ray of light diode (LD2). Accordingly, the first ray of light diode (LD1) sustains ocular needle from LD2, that is originally argue self-OEFB, and before, LD2, under OEFB, accepts clean ocular needle from LD1. Results display the creation of disorganized beat accompanying style leaping in the first arrangement and way-lock at a particular bias current level in the second individual.Under bi-directional ocular needle, results show that the ray of light filed a new imbalance chief to a type of more nonlinearities. One of bureaucracy is the lasing manner fluctuating and changing. The percentage of OI was conditional an ocular attenuator and more OEFB by an RF attenuator. Mode springing, multimode issuance, manner lock, and helter-skelter conduct are all noticed tentatively matching to operating environments. The noticed turbulent beat linewidth was calculated at 300 MHz, accompanying the strength expected fuller by way of changeful detuning and dose percentage. The ray of light exchanged to discharge in beat accompanying a route to anarchy rank at which point it has an FWHM of about 0.1GHz. Reversing dose managed to linewidth augmentation accompanying a very sharp FWHM, 1.5 kHz. Laser diffusion is troubled on account of assorted dose as if it everything accompanying OEFB, place the gain switches likely to drive the ray of light into quivering states inferred by that definite OEFB. For each attained result, skilled endures an request, to a degree; turmoil shifts keying, repetitiveness joining, and up-change to a new commonness to lower the cost of speedy VCRs guide ocular systems of information exchange.

Author(s) Details:

Ayser A. Hemed,
Department of Physics, College of Education, Mustansiriyah University, Baghdad, Iraq.

Rasha Salah Abbas,
First Karkh Directorate of Education, Ministry of Education, Baghdad, Iraq.

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Keywords: Chaos, optical injection, frequency switching, mode locking

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