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Unidirectional Localization of Photons
Hamidreza Ramezani, Pankaj Jha, Yuan Wang +1
Artificial defects embedded in periodic structures are important foundation for creating localized states with vast range of applications in condensed matter physics, photonics and…
Ultrafast fluorescent decay induced by metal-mediated dipole-dipole interaction in two-dimensional molecular aggregates
Qing Hu, Dafei Jin, Sang Hoon Nam +4
Two-dimensional molecular aggregate (2DMA), a thin sheet of strongly interacting dipole molecules self-assembled at close distance on an ordered lattice, is a fascinating fluoresce…
Magnetic hyperbolic optical metamaterials
Sergey S. Kruk, Zi Jing Wong, Ekaterina Pshenay-Severin +4
Strongly anisotropic media where the principal components of electric permittivity or magnetic permeability tensors have opposite signs are termed as hyperbolic media. Such media s…
Active coupling control in densely packed subwavelength waveguides via dark mode
Haim Suchowski, Michael Mrejen, Taiki Hatakeyama +5
The ever growing need for energy-efficient and fast communications is driving the development of highly integrated photonic circuits where controlling light at the nanoscale become…
Parity-Time Synthetic Laser
Liang Feng, Zi Jing Wong, Renmin Ma +2
Parity-time (PT) symmetry is a fundamental notion in quantum field theories. It has opened a new paradigm for non-Hermitian Hamiltonians ranging from quantum mechanics, electronics…
Toroidal dipole response in a multifold double-ring metamaterial
Zheng-Gao Dong, Peigen Ni, Jie Zhu +2
The toroidal response is numerically investigated in a multifold double-ring metamaterials at the antibonding magnetic-dipole mode (i.e., antiparallel magnetic dipoles in one doubl…
Plasmonic Anti-Hermitian Coupling for Controlling Light at the Nanoscale
Shuang Zhang, Ziliang Ye, Yuang Wang +5
Open quantum systems consisting of coupled bound and continuum states have been studied in a variety of physical systems, particularly within the scope of nuclear, atomic and molec…
Switching teraherz waves with gate-controlled active graphene metamaterials
Seung Hoon Lee, Muhan Choi, Teun-Teun Kim +9
The extraordinary electronic properties of graphene, such as its continuously gate-variable ambipolar field effect and the resulting steep change in resistivity, provided the main…
A Carpet Cloak Device for Visible Light
Majid Gharghi, Christopher Gladden, Thomas Zentgraf +4
We report an invisibility carpet cloak device, which is capable of making an object undetectable by visible light. The cloak is designed using quasi conformal mapping and is fabric…
Plasmonic Luneburg and Eaton Lenses
Thomas Zentgraf, Yongmin Liu, Maiken H. Mikkelsen +2
Plasmonics is an interdisciplinary field focusing on the unique properties of both localized and propagating surface plasmon polaritons (SPPs) - quasiparticles in which photons are…
Enhanced sensing performance by the plasmonic analogue of electromagnetically induced transparency in active metamaterials
Zheng-Gao Dong, Hui Liu, Jing-Xiao Cao +4
The gain-assisted plasmonic analogue of electromagnetically induced transparency (EIT) in a metallic metamaterial is investigated for the purpose to enhance the sensing performance…
The quantum description and stimulated emission radiation of coupled metamaterials
Shuming Wang, Hui Liu, Tao Li +2
In recent years, there has been increasing interest in studying the quantum characteristics in plasmonic metamaterials. By using the Hamiltonian combined with second quantization,…
Transformational Plasmon Optics
Yongmin Liu, Thomas Zentgraf, Guy Bartal +1
Transformation optics has recently attracted extensive interest, since it provides a novel design methodology for manipulating light at will. Although transformation optics in prin…
Deep Subwavelength Plasmonic Lasers
Rupert F Oulton, Volker J Sorger, Thomas Zentgraf +5
Laser science has tackled physical limitations to achieve higher power, faster and smaller light sources. The quest for ultra-compact laser that can directly generate coherent opti…
Dielectric Optical Cloak
Jason Valentine, Jensen Li, Thomas Zentgraf +2
Invisibility or cloaking has captured human's imagination for many years. With the recent advancement of metamaterials, several theoretical proposals show cloaking of objects is po…
Chiral Negative-Index Metamaterials in Terahertz
Shuang Zhang, Yong-Shik Park, Jensen Li +3
Negative index metamaterials (NIMs) give rise to unusual and intriguing properties and phenomena, which may lead to important applications such as superlens, subwavelength cavity a…
Cloaking of Matter Waves
Shuang Zhang, Dentcho A. Genov, Cheng Sun +1
Invariant transformation for quantum mechanical systems is proposed. A cloaking of matter wave can be realized at given energy by designing the potential and effective mass of the…
Plasmonic Metamaterial With Coupling Induced Transparency
Shuang Zhang, Dentcho A Genov, Yuan Wang +2
A plasmonic "molecule" consisting of a radiative element coupled with a sub-radiant (dark) element is theoretically investigated. The plasmonic "molecule" shows close resemblance t…
Molding the flow of light at deep sub-wavelength scale
Seunghoon Han, Yi Xiong, Dentcho Genov +3
The diffractive nature of light has limited optics and photonics to operate at scales much larger than the wavelength of light. The major challenge in scaling-down integrated photo…
Theory of optical imaging beyond the diffraction limit with a far-field superlens
Stephane Durant, Zhaowei Liu, Nicholas Fang +1
Recent theoretical and experimental studies have shown that imaging with resolution well beyond the diffraction limit can be obtained with so-called superlenses. Images formed by s…