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Tunable negative refraction without absorption via electromagnetically induced chirality
We show that negative refraction with minimal absorption can be obtained by means of
quantum interference effects similar to electromagnetically induced transparency (EIT) …
quantum interference effects similar to electromagnetically induced transparency (EIT) …
Negative refractive index metamaterials in optics
Publisher Summary Recent advances in nanofabrication have led to the demonstration of a
novel class of optical materials—metamaterials—that are artificially engineered structures …
novel class of optical materials—metamaterials—that are artificially engineered structures …
Electromagnetically induced left handedness in optically excited four-level atomic media
We show that left-handed properties can be electromagnetically induced in a general four-
level atomic medium for a finite spectral range. We use an electric (magnetic) atomic …
level atomic medium for a finite spectral range. We use an electric (magnetic) atomic …
Ray optics at a deep-subwavelength scale: a transformation optics approach
We present a transformation optics approach for molding the light flow at the deep-
subwavelength scale, using metamaterials with uniquely designed dispersion. By conformal …
subwavelength scale, using metamaterials with uniquely designed dispersion. By conformal …
Arbitrarily thin metamaterial structure for perfect absorption and giant magnification
In our common understanding, for strong absorption or amplification in a slab structure, the
desire of reducing the slab thickness seems contradictory to the condition of small loss or …
desire of reducing the slab thickness seems contradictory to the condition of small loss or …
Quantum left-handed metamaterial from superconducting quantum-interference devices
C Du, H Chen, S Li - Physical Review B—Condensed Matter and Materials …, 2006 - APS
A scheme for a kind of quantum left-handed metamaterial is proposed, which is composed of
an array of superconducting quantum-interference devices and a dielectric background …
an array of superconducting quantum-interference devices and a dielectric background …
Negative refraction of light in an atomic medium
The quest to manipulate light propagation in ways not possible with natural media has
driven the development of artificially structured metamaterials. One of the most striking …
driven the development of artificially structured metamaterials. One of the most striking …
Quantum metrology with one auxiliary particle in a correlated bath and its quantum simulation
In realistic metrology, entangled probes are more sensitive to noise, especially for a
correlated environment. The precision of parameter estimation with entangled probes is …
correlated environment. The precision of parameter estimation with entangled probes is …
Refractive index enhancement with vanishing absorption in an atomic vapor
We report a proof-of-principle experiment where the refractive index of an atomic vapor is
enhanced while maintaining vanishing absorption of the beam. The key idea is to drive …
enhanced while maintaining vanishing absorption of the beam. The key idea is to drive …
Negative refraction with low absorption using Raman transitions with magnetoelectric coupling
DE Sikes, DD Yavuz - Physical Review A—Atomic, Molecular, and Optical …, 2010 - APS
We suggest a scheme for obtaining negative refraction that does not require the
simultaneous presence of an electric-dipole and a magnetic-dipole transition near the same …
simultaneous presence of an electric-dipole and a magnetic-dipole transition near the same …