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Modeling and experimental electro-optic response of dielectric lithium niobate waveguides used as electric field sensors
CELSO GUTIERREZ MARTINEZ
Joel Santos Aguilar
RAUL OCHOA VALIENTE
MISAEL SANTIAGO BERNAL
ADOLFO MORALES DIAZ
Acceso Abierto
Atribución-NoComercial-SinDerivadas
LiNbO₃ crystals
Electro-optic sensors
Polarization interferometers
Static optical function transfer
Electric field sensing
In this paper, the static optical transfer function of dielectric lithium niobate (LiNbO₃) electro-optic sensors is modeled and experimentally measured. This function represents the transmitted optical power at the output of an optical waveguide in a LiNbO₃ crystal which acts as an electric field sensor. The sensor is electrode-less and operates as a dielectric probe. Under such a condition, the electric field is present in the dielectric media surrounding the waveguide and the measured field intensity is determined by the boundary condition between the media and the LiNbO₃ crystal. The electro-optic transfer function is theoretically modeled and experimentally measured. Such a transfer function shows a sinusoidal shape, from which the half-wave electric field, the optical extinction ratio and the linear and nonlinear regions can be determined. LiNbO₃ electric field sensors are inherently wide band, and a sensing scheme is tested, showing a high-linearity sensing detection of high-intensity and wide-band electric fields.
Measurement Science and Technology
15-02-2011
Artículo
Inglés
Estudiantes
Investigadores
Público en general
Gutiérrez Martínez, C., et al., (2011), Modeling and experimental electro-optic response of dielectric lithium niobate waveguides used as electric field sensors, Measurement Science and Technology. Vol.22(3):1-8
ÓPTICA
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