Optical modulators using semiconductor nano-structures: Difference between revisions
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=== Electro-optic modulator === | |||
An electro-optic modulator is a device which can be used for controlling the power, phase or polarization of a laser beam with an electrical control signal. It typically contains one or two Pockels cells, and possibly additional optical elements such as polarizers. The principle of operation is based on the linear [[electro-optic effect]] (the [[Pockels effect]], the modification of the refractive index of a nonlinear crystal by an electric field in proportion to the field strength). | An electro-optic modulator is a device which can be used for controlling the power, phase or polarization of a laser beam with an electrical control signal. It typically contains one or two Pockels cells, and possibly additional optical elements such as polarizers. The principle of operation is based on the linear [[electro-optic effect]] (the [[Pockels effect]], the modification of the refractive index of a nonlinear crystal by an electric field in proportion to the field strength). | ||