Magnetically tunable enhanced absorption of circularly polarized light in graphene-based 1D photonic crystals
Applied Optics, 2017•opg.optica.org
We theoretically investigate the magnetic-field-induced terahertz absorption enhancement of
a graphene-based one-dimensional photonic crystal using the 4× 4 transfer matrix method
for the circular polarization of light. The results show that the magnetically tunable
absorption of the structure depends on the circular polarization state, magnetic circular
dichroism, and, interestingly, absorption behaviors of right-handed and left-handed circularly
polarized light interchange by changing the direction of the magnetic field. These properties …
a graphene-based one-dimensional photonic crystal using the 4× 4 transfer matrix method
for the circular polarization of light. The results show that the magnetically tunable
absorption of the structure depends on the circular polarization state, magnetic circular
dichroism, and, interestingly, absorption behaviors of right-handed and left-handed circularly
polarized light interchange by changing the direction of the magnetic field. These properties …
We theoretically investigate the magnetic-field-induced terahertz absorption enhancement of a graphene-based one-dimensional photonic crystal using the 4×4 transfer matrix method for the circular polarization of light. The results show that the magnetically tunable absorption of the structure depends on the circular polarization state, magnetic circular dichroism, and, interestingly, absorption behaviors of right-handed and left-handed circularly polarized light interchange by changing the direction of the magnetic field. These properties can be used to design the circular-polarization-based sensors.
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