author_facet De, A.
Puri, A.
De, A.
Puri, A.
author De, A.
Puri, A.
spellingShingle De, A.
Puri, A.
Journal of Applied Physics
Kerr-resonance-condition-coupled enhancement in magneto-optic media
General Physics and Astronomy
author_sort de, a.
spelling De, A. Puri, A. 0021-8979 1089-7550 AIP Publishing General Physics and Astronomy http://dx.doi.org/10.1063/1.1523141 <jats:p>We derive an expression for cyclotron frequency ωc, which sets Re[ε+ε−]=1 in a magneto-optic (MO) substrate, at any incident photon energy. Thereby, at any desired part of the optical spectrum, large Kerr effects can be obtained, which are generally known to occur either at the free-charge-carrier-plasma-resonance frequency ωp, or at frequencies where active electronic transitions take place. Under these conditions, ωp is seen to play a very different role; it is seen that for any ω, the magnitude of the Kerr resonance in a single MO (InSb here) substrate increases with decreasing ωp. With the objective of achieving further Kerr enhancement, the effect of coating a thin film of this ωc-coupled InSb layer on a Ag substrate is numerically studied. Further Kerr enhancement, at the plasma-resonance frequency of Ag, is seen, which is dependent on the thickness of the MO layer and its ωp. In this configuration, giant resonances appear in the effective-dielectric-tensor spectra. The spectral locations of these resonances are dependent on the thickness of the MO layer. We interpret these resonance structures to be the effective cyclotron resonance. Our results suggest that there exists a strong correlation between the effective-cyclotron frequency and the plasma-resonance frequency of the noble.</jats:p> Kerr-resonance-condition-coupled enhancement in magneto-optic media Journal of Applied Physics
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title Kerr-resonance-condition-coupled enhancement in magneto-optic media
title_unstemmed Kerr-resonance-condition-coupled enhancement in magneto-optic media
title_full Kerr-resonance-condition-coupled enhancement in magneto-optic media
title_fullStr Kerr-resonance-condition-coupled enhancement in magneto-optic media
title_full_unstemmed Kerr-resonance-condition-coupled enhancement in magneto-optic media
title_short Kerr-resonance-condition-coupled enhancement in magneto-optic media
title_sort kerr-resonance-condition-coupled enhancement in magneto-optic media
topic General Physics and Astronomy
url http://dx.doi.org/10.1063/1.1523141
publishDate 2003
physical 1120-1126
description <jats:p>We derive an expression for cyclotron frequency ωc, which sets Re[ε+ε−]=1 in a magneto-optic (MO) substrate, at any incident photon energy. Thereby, at any desired part of the optical spectrum, large Kerr effects can be obtained, which are generally known to occur either at the free-charge-carrier-plasma-resonance frequency ωp, or at frequencies where active electronic transitions take place. Under these conditions, ωp is seen to play a very different role; it is seen that for any ω, the magnitude of the Kerr resonance in a single MO (InSb here) substrate increases with decreasing ωp. With the objective of achieving further Kerr enhancement, the effect of coating a thin film of this ωc-coupled InSb layer on a Ag substrate is numerically studied. Further Kerr enhancement, at the plasma-resonance frequency of Ag, is seen, which is dependent on the thickness of the MO layer and its ωp. In this configuration, giant resonances appear in the effective-dielectric-tensor spectra. The spectral locations of these resonances are dependent on the thickness of the MO layer. We interpret these resonance structures to be the effective cyclotron resonance. Our results suggest that there exists a strong correlation between the effective-cyclotron frequency and the plasma-resonance frequency of the noble.</jats:p>
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author De, A., Puri, A.
author_facet De, A., Puri, A., De, A., Puri, A.
author_sort de, a.
container_issue 2
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container_title Journal of Applied Physics
container_volume 93
description <jats:p>We derive an expression for cyclotron frequency ωc, which sets Re[ε+ε−]=1 in a magneto-optic (MO) substrate, at any incident photon energy. Thereby, at any desired part of the optical spectrum, large Kerr effects can be obtained, which are generally known to occur either at the free-charge-carrier-plasma-resonance frequency ωp, or at frequencies where active electronic transitions take place. Under these conditions, ωp is seen to play a very different role; it is seen that for any ω, the magnitude of the Kerr resonance in a single MO (InSb here) substrate increases with decreasing ωp. With the objective of achieving further Kerr enhancement, the effect of coating a thin film of this ωc-coupled InSb layer on a Ag substrate is numerically studied. Further Kerr enhancement, at the plasma-resonance frequency of Ag, is seen, which is dependent on the thickness of the MO layer and its ωp. In this configuration, giant resonances appear in the effective-dielectric-tensor spectra. The spectral locations of these resonances are dependent on the thickness of the MO layer. We interpret these resonance structures to be the effective cyclotron resonance. Our results suggest that there exists a strong correlation between the effective-cyclotron frequency and the plasma-resonance frequency of the noble.</jats:p>
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id ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTA2My8xLjE1MjMxNDE
imprint AIP Publishing, 2003
imprint_str_mv AIP Publishing, 2003
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spelling De, A. Puri, A. 0021-8979 1089-7550 AIP Publishing General Physics and Astronomy http://dx.doi.org/10.1063/1.1523141 <jats:p>We derive an expression for cyclotron frequency ωc, which sets Re[ε+ε−]=1 in a magneto-optic (MO) substrate, at any incident photon energy. Thereby, at any desired part of the optical spectrum, large Kerr effects can be obtained, which are generally known to occur either at the free-charge-carrier-plasma-resonance frequency ωp, or at frequencies where active electronic transitions take place. Under these conditions, ωp is seen to play a very different role; it is seen that for any ω, the magnitude of the Kerr resonance in a single MO (InSb here) substrate increases with decreasing ωp. With the objective of achieving further Kerr enhancement, the effect of coating a thin film of this ωc-coupled InSb layer on a Ag substrate is numerically studied. Further Kerr enhancement, at the plasma-resonance frequency of Ag, is seen, which is dependent on the thickness of the MO layer and its ωp. In this configuration, giant resonances appear in the effective-dielectric-tensor spectra. The spectral locations of these resonances are dependent on the thickness of the MO layer. We interpret these resonance structures to be the effective cyclotron resonance. Our results suggest that there exists a strong correlation between the effective-cyclotron frequency and the plasma-resonance frequency of the noble.</jats:p> Kerr-resonance-condition-coupled enhancement in magneto-optic media Journal of Applied Physics
spellingShingle De, A., Puri, A., Journal of Applied Physics, Kerr-resonance-condition-coupled enhancement in magneto-optic media, General Physics and Astronomy
title Kerr-resonance-condition-coupled enhancement in magneto-optic media
title_full Kerr-resonance-condition-coupled enhancement in magneto-optic media
title_fullStr Kerr-resonance-condition-coupled enhancement in magneto-optic media
title_full_unstemmed Kerr-resonance-condition-coupled enhancement in magneto-optic media
title_short Kerr-resonance-condition-coupled enhancement in magneto-optic media
title_sort kerr-resonance-condition-coupled enhancement in magneto-optic media
title_unstemmed Kerr-resonance-condition-coupled enhancement in magneto-optic media
topic General Physics and Astronomy
url http://dx.doi.org/10.1063/1.1523141