Phase Control of Electromagnetically Induced Phase Grating in a Four-Level Inverted Quantum System with Closed-Loop Configuration
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DOI: 10.1007/s10773-021-04860-7
Abstract: In this paper, we investigated the electromagnetically induced phase grating in a four-level quantum system with closed loop configuration via relative phase between applied fields. We found that the diffraction intensity can be adjusted via… read more here.
Keywords: grating four; phase; induced phase; four level ... See more keywords
Electromagnetically Induced Polarization Grating in a Quasi-M-Type Atomic System
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DOI: 10.1007/s10773-021-04914-w
Abstract: We propose a quasi-M-type atomic system for realizing the electromagnetically induced polarization grating. The results show that, due to the introduced microwave fields, the first-order diffraction efficiency of the probe field can be increased remarkably.… read more here.
Keywords: type atomic; atomic system; polarization; quasi type ... See more keywords
Controllable electromagnetically induced grating in a cascade-type atomic system
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DOI: 10.1007/s11467-019-0924-1
Abstract: A controllable electromagnetically induced grating (EIG) is experimentally realized in a coherent rubidium ensemble with 5S1/2-5P3/2-5D5/2 cascade configuration. In our work, a whole picture describing the relation between the first-order diffraction efficiency and the power… read more here.
Keywords: induced grating; grating cascade; controllable electromagnetically; order diffraction ... See more keywords
Terahertz Dual-Band Polarization Insensitive Electromagnetically Induced Transparency-Like Metamaterials
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DOI: 10.1007/s11468-019-01052-2
Abstract: In this paper, an electromagnetically induced transparency-like metamaterial for terahertz is designed. The structure is based on cross-shaped and SRRs composite elements. It can achieve dual-frequency transparent window in a wide frequency band and is… read more here.
Keywords: induced transparency; transparency like; polarization; band ... See more keywords
Investigation of nonlinear absorption and the electromagnetically induced transparency in a SMNP-SQD hybrid system by using the Mie theory
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DOI: 10.1016/j.ijleo.2018.09.155
Abstract: Abstract By using the Mie theory, nonlinear absorption coefficient and electromagnetically induced transparency (EIT) of a hybrid system consisting of GaAs spherical quantum dot (SQD) with ladder model and parabolic potential in the vicinity of… read more here.
Keywords: nonlinear absorption; induced transparency; electromagnetically induced; smnp ... See more keywords
Active control of photo-induced electromagnetically induced transparency in terahertz region
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DOI: 10.1016/j.ijleo.2019.03.085
Abstract: Abstract The characteristic of an all-optical electromagnetically induced transparency (EIT) analogue generated on GaAs substrate in terahertz (THz) region has been investigated. By increasing power of pump laser, a phenomena of EIT analogue emerged. It… read more here.
Keywords: induced transparency; region; electromagnetically induced; eit analogue ... See more keywords
Measurement of multi-frequency dispersions of Electromagnetically Induced Transparency windows using Spatial Light Modulator in rubidium vapor
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DOI: 10.1016/j.ijleo.2020.165707
Abstract: Abstract In this letter, we have measured the dispersive profile of the multi window Electromagnetically Induced Transparency(EIT) signals in Rubidium (Rb) atomic medium at room temperature. Weak probe laser light and strong coupling light in… read more here.
Keywords: spatial light; multi; induced transparency; light modulator ... See more keywords
Isotropic wide-angle analog of electromagnetically induced transparency in a terahertz metasurface
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DOI: 10.1016/j.matlet.2018.04.015
Abstract: Abstract We present a terahertz classical analog of electromagnetically induced transparency by means of single-layer metamaterial consisting of two closed square ring. The narrow transparency peak is mainly caused by the excitation of antiparallel currents… read more here.
Keywords: wide angle; analog electromagnetically; induced transparency; electromagnetically induced ... See more keywords
Staggered H-shaped metamaterial based on electromagnetically induced transparency effect and its refractive index sensing performance
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DOI: 10.1016/j.optcom.2019.05.038
Abstract: Abstract In this work, we report numerical research concerning a planar electromagnetically induced transparency (EIT) terahertz metamaterial capable of exhibiting refractive index sensing with high sensitivity. The unit cell of the proposed EIT metamaterial is… read more here.
Keywords: induced transparency; electromagnetically induced; refractive index; index ... See more keywords
A compact graphene metamaterial based on electromagnetically induced transparency effect
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DOI: 10.1016/j.optcom.2020.126266
Abstract: Abstract Graphene has become an ideal material in the terahertz band, for its excellent properties and its variable carrier density (which can be modified by bias voltage). A compact metamaterial based on graphene was proposed… read more here.
Keywords: compact graphene; graphene; induced transparency; metamaterial based ... See more keywords
Tunable control of electromagnetically induced transparency effect in a double slot terahertz waveguide
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DOI: 10.1016/j.optcom.2020.126632
Abstract: Abstract In this paper, we investigate double slot waveguide configuration to explore the actively tunable electromagnetically induced transparency (EIT) effect in the terahertz regime. One of the slot structures is filled with a dielectric material… read more here.
Keywords: slot; control; effect; double slot ... See more keywords