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10 papers · 2 filters
Titanium nitride as a plasmonic material for visible wavelengths
Gururaj V. Naik, Jeremy L. Schroeder, Timothy D. Sands +1
The search for alternative plasmonic materials with improved optical properties over the traditional materials like silver and gold could ultimately lead to the long-awaited, real-…
Bandwidth scaling and spectral flatness enhancement of optical frequency combs from phase modulated continuous-wave lasers using cascaded four-wave mixing
V. R. Supradeepa, Andrew M. Weiner
We introduce a new cascaded four-wave mixing technique which scales up the bandwidth of frequency combs generated by phase modulation of a continuous wave laser while simultaneousl…
A CMOS compatible microring-based on-chip isolator with 18dB optical isolation
Li Fan, Jian Wang, Hao Shen +4
We demonstrate strong optical nonreciprocity in microring add-drop filters with asymmetric input and output coupling coefficients. Up to 18dB isolation was achieved with a silicon-…
Spectral tuning of multimode three-dimensional photonic crystal cavities for enhanced anti-Stokes Raman scattering
Jing Ouyang, Minghao Qi
Multimode hollow microcavities in three-dimensional (3D) photonic crystals (PhCs) are designed for achieving enhanced coherent anti-Stokes Raman scattering, which requires a cavity…
Metric Signature Transitions in Optical Metamaterials
Igor I. Smolyaninov, Evgenii E. Narimanov
We demonstrate that the extraordinary waves in indefinite metamaterials experience (- - + +) effective metric signature. During a metric signature change transition in such a metam…
Engineering the Photonic Density of States with metamaterials
Z. Jacob*, J. Y. Kim*, G. V. Naik +2
The photonic density of states (PDOS), like its' electronic coun- terpart, is one of the key physical quantities governing a variety of phenom- ena and hence PDOS manipulation is t…