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When optical components are reduced to the nanoscale, they exhibit interesting properties that can be harnessed to create new devices. For example, imagine a block of material with thin layers of alternating materials. This creates a periodic arrangement of alternating dielectric constants, forming a "photonic crystal" that is analogous to the electronic crystals used in semiconductor devices. Photonic crystals, along with quantum dots and other devices patterned at the nanoscale, may form the basis for sensors and switches used in computers and telecommunications. More information on Nanophotonics can be found here.
Nanoscale Plasmonic Heterostructures
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15 Dec 2006 | | Contributor(s):: Gary P. Wiederrecht
Surface plasmons are electromagnetic modes that are present at the interface of a metal and dielectric material. Depending upon the structure of the metal, surface plasmons demonstrate a wide range of characteristics, such as optical field enhancements, tunable resonances, and the ability to...
ECE 695s Lecture 15: Metamaterials: Giving Light the Second Hand, Part 2
20 Nov 2006 | | Contributor(s):: Vladimir M. Shalaev
A subsequent version of this lecture is available in a three lecture short course Metamaterials: A New Paradigm of Physics and Engineering.
Nano Scale Optics with Nearfield Scanning Optical Microscopy (NSOM)
16 Nov 2006 | | Contributor(s):: Reuben Bakker, Vladimir M. Shalaev
NearfieldScanning Optical Microscopy (NSOM )is a relatively new technology that defeats the diffraction limit for optical measurements by utilizing the near field portion of electromagnetism to window down to ~ 10 nm spatial resolution. NSOM instrumentation has progressively developed over the...
ECE 695s Lecture 14: Metamaterials: Giving Light the Second Hand, Part 1
15 Nov 2006 | | Contributor(s):: Vladimir M. Shalaev
ECE 695s Lecture 11: Guiding Light Along Nanoparticle Arrays
02 Nov 2006 | | Contributor(s):: Vladimir M. Shalaev
ECE 695s Lecture 10: Surface Plasmon Excitation
ECE 695s Lecture 9: Introduction to Metal Optics
02 Oct 2006 | | Contributor(s):: Vladimir M. Shalaev
ECE 695s Lecture 8: Photonic Crystals Fibers
ECE 695s Lecture 7: Photonic Crystal Waveguides
ECE 695s Lecture 6: Basic Properties of Electromagnetic Effects in Periodic Media
19 Sep 2006 | | Contributor(s):: Vladimir M. Shalaev
ECE 695s Lecture 5: Photonic Crystals - Introduction
18 Sep 2006 | | Contributor(s):: Vladimir M. Shalaev
ECE 695s Lecture 4: Electromagnetic Properties of Molecules, Nano- and Microscopic Particles
05 Sep 2006 | | Contributor(s):: Vladimir M. Shalaev
ECE 695s Lecture 3: Optical Properties of Insulators, Semiconductors and Metals
ECE 695s Nanophotonics
30 Aug 2006 | | Contributor(s):: Vladimir M. Shalaev
Welcome to the ECE 695S lecturesThe course will cover nanoscale processes and devices and their applications for manipulating light on the nanoscale. The following topics will be covered:Fundamentals, Maxwell’s equations, light-matter interaction, dispersion, EM properties of nanostructures,...
ECE 695s Introductory Lecture
ECE 695s Lecture 1: Light Interaction with Matter-Review of Maxwell's Equations
ECE 695s Lecture 2: Dispersion in Materials
Nanotubes and Nanowires: One-dimensional Materials
17 Jul 2006 | | Contributor(s):: Timothy D. Sands
What is a nanowire? What is a nanotube? Why are they interesting and what are their potential applications? How are they made? This presentation is intended to begin to answer these questions while introducing some fundamental concepts such as wave-particle duality, quantum confinement, the...
Nanosphere Optics Lab
19 May 2006 | | Contributor(s):: Jon Camden, George C. Schatz
Optical properties of nanospheres suspended in water, air, or other solutions
19 May 2006 | | Contributor(s):: Mikhail A. Noginov
Random lasers are the simplest sources of stimulatedemission without cavity, with the feedback provided by scattering in a gain medium. First proposed in the late 60’s, random lasers have grown to a large research field.This lecture reviews the state of the art of random lasers,provides an...