Optimization Procedures using Effect of Etalon Finesse and Driving Term on Optical Bistability

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Ali Hassan Khidhir

Abstract

        In this work, analytical study for simulating a Fabry-Perot bistable etalon (F-P cavity) filled with a dispersive optimized nonlinear optical material (Kerr type) such as semiconductors Indium Antimonide (InSb). Because of a trade off between the etalon finesse values and driving terms, an optimization procedures have been done on the InSb etalon/CO laser parameters, using critical switching irradiance (Ic) via simulation systems of optimization procedures of optical cavity. in order to achieve the  minimum switching power and faster switching time, the optimization parameters of the finesse values and driving terms on optical bistability and switching dynamics must be studied.


        In addition, for different values of a cavity finesse (for example, F = 25 and 2.37) the switching intensity takes low values with a high finesse etalon compared to a high switching intensity with a low finesse etalon. So, the minimum switching power for a low finesse etalon is ⁓0.785mW, and is about 0.0785mW for a high finesse etalon. The driving term peak of a high finesse etalon becomes higher and the slowing down region becomes less, leading to a fast switching as compared with a slow switching in a low finesse etalon. So that, the minimum switching time was about 300ns for a low finesse etalon, and about 150ns for a high finesse etalon.

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Optimization Procedures using Effect of Etalon Finesse and Driving Term on Optical Bistability. IJP [Internet]. 2020 Mar. 1 [cited 2024 Mar. 29];18(44):17-24. Available from: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/498
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How to Cite

1.
Optimization Procedures using Effect of Etalon Finesse and Driving Term on Optical Bistability. IJP [Internet]. 2020 Mar. 1 [cited 2024 Mar. 29];18(44):17-24. Available from: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/498

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