Effect of Non-Amplifying Factors on Behavior of Localized Modes in Random Photonic Crystal Fiber


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Abstract


Effect of optical and geometrical parameters of non-amplifying random photonic crystal fiber on Localized electromagnetic modes are investigated for various filling fractions and different refractive indices of dielectric cylinders and fiber medium. FDTD simulations show that impulse excitation of the random PCF leads to formation of the modes which strongly depend on filling fraction, integration time window, refractive index contrast between dielectric rods and fiber medium and the excitation amplitude. It is shown that despite the conventional lasers, random laser modes strongly depend on pumping intensity. All of the results are explained using localization theory of light propagation in disordered highly scattering medium
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Keywords


Random Laser Modes; Random Photonic Crystal Fiber; FDTD

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