In this paper, we report the experimental results of the design and manufacture of a device in the form of a hollow bottle manufactured from a polymer for the measurement of hydrostatic pressure in microfluidics. The fabricated device bases its operation on the optical resonances of a capillary optical microresonator that has the ability to couple the evanescent light from an optical fiber tapers with a central diameter in the range of 3-5 μm which excites the resonant modes WGMs inside the cavity. The microcavity was manufactured using a heating-pressurization technique by a system built to measure which allowed reaching a minimum wall thickness in the central region of the order of 19.78 μm with a sensitivity of the order of 0.5567 nm/bar.
Abstract. In this investigation, we report the study of an optical device for the measurement of hydrostatic pressure in fluids. The device studied is a sensor based on a dielectric optical resonator in the form of a capillary that confines the light in its interior through the phenomenon of total internal reflection. In the analytical study of the sensor, the excitation of the azimuthal modes WGMs inside the resonant cavity is considered, so that their sensitivity to changes in the hydrostatic pressure was analyzed as a function of the displacement of wavelengths of resonances in the cavity.
In this research, the potential use of semiconductor nanostructures as optical field sources to optimize the propagation of lossless pulses along non-linear optical fibers is studied. During this investigation, we propose the external excitation of a set of semiconductor SQD points through a source of optical pulses, giving rise to the generation of solitonic pulses that propagate through an optical fiber with non-linear optical characteristics. Theoretically, soliton formation studied from the non-linear interaction between SQD and external optical excitation. In the study, the non-linear Schrödinger NLSE equation solved numerically using the Fourier Split-Step method to understand the evolution of the soliton emitted for SQD within an optical fiber with real physical parameters.
Abstract. In this paper, the potential use of stacked layers of semiconducting nanostructures as optical field sources to optimize the propagation of pulses without losses along nonlinear optical fibers was studied. During this research, we propose the external excitation of stacked layers of semiconductor quantum dots SQDs through an optical source that allows the generation of solitonic waves that are propagated through an optical fiber with non-linear optical characteristics. Theoretically, the soliton formation is studied from the nonlinear interaction between the SQDs and the external optical excitation, considering it as a quantum system of three energy levels. In the study, the non-linear Schrödinger NLSE equation is solved numerically using the Fourier Split-Step method to understand the evolution of the soliton emitted by the SQDs inside an optical fiber with real physical parameters.
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