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14 papers · 2 filters
An Anisotropic Metamaterial Leaky Waveguide
Huikan Liu, Kevin J. Webb
We propose a leaky optical waveguide achieved with a uniaxially anisotropic metamaterial that supports both forward and backward leaky waves. The backward leaky nature is exploited…
Metamaterial based broadband engineering of quantum dot spontaneous emission
Harish N S Krishnamoorthy, Zubin Jacob, Evgenii Narimanov +2
We report the broadband (~ 25 nm) enhancement of radiative decay rate of colloidal quantum dots by exploiting the hyperbolic dispersion of a one-dimensional nonmagnetic metamateria…
Frequency-domain simulations of a negative-index material with embedded gain
Yonatan Sivan, Shumin Xiao, Uday K. Chettiar +2
We solve the equations governing light propagation in a negative-index material with embedded nonlinearly saturable gain material using a frequency-domain model. We show that avail…
Experimental observation of the trapped rainbow
V. N. Smolyaninova, I. I. Smolyaninov, A. V. Kildishev +1
We report on the first experimental demonstration of the broadband "trapped rainbow" in the visible frequency range using an adiabatically tapered waveguide. Being a distinct case…
Searching for Better Plasmonic Materials
Paul West, Satoshi Ishii, Gururaj Naik +3
Plasmonics is a research area merging the fields of optics and nanoelectronics by confining light with relatively large free-space wavelength to the nanometer scale - thereby enabl…
Self-referenced characterization of optical frequency combs and arbitrary waveforms using a simple, linear, zero-delay implementation of spectral shearing interferometry
V. R. Supradeepa, Christopher M. Long, Daniel E. Leaird +1
We discuss a simple, linear, zero-delay implementation of spectral shearing interferometry for amplitude and phase characterization of optical frequency comb sources and arbitrary…