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| The science and engineering of light matter interactions that take place on wavelength and subwavelength scales where the physical, chemical or structural nature of natural or artificial nanostructured matter controls the interactions |
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| Foundation of nanophotonics |
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| Lighting and display, manufacturing, safety and security, biophotonics, communications and organic PVs |
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Definition
1. Absorption - absorption of light
2. Scattering -
3. Diffraction - occurs when a wave encounters an obstacle or a slit, like interference. |
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On-chip
-efficient and compact and ultrafast light sources, light detectors. light guides, all-optical switches.
-communication and computing
nano-biophotonics
-bio-chemical sensors and sensor arrays
lithography and nanofabrication techniques beating the diffraction limits
Quantum Optics
- Quantum computing and communication |
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Definition
| Is the observation that, over the history of computing hardware, the number of transistors on integrated circuits doubles approximately every two years |
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Integrated Photonic Circuit
Light manipulated by |
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Definition
light manipulated to convey information.
-wavelength/ frequency
-phase
-amplitude
-polarization |
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| Ancient Greek light weapons |
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Definition
| Archimedes equipped several hundred people with metal mirrors to focus sunlight onto Roman warship in the battle of Syracuse. Ship caught on fire |
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(1564-1642)
used Galilean telescope to look at moon, Jupiter and its moons and the sun |
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(1571-1630)
Discovered internal reflection
developed a first-order theory of geometrical optics
(ray optics)
discovered the small-angle approximation of the law of refraction |
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Definition
Discovered the law of refraction, Snell's law
n1sin(theta1)=n2sins(theta2) |
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Definition
(1596-1659)
Light must be like sound.
Light acts as a wave |
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Definition
(1629-1695)
extended wave theory of optics
realized light slows down when entering a dense media.
explained polarization and double refraction.
Has characteristics of wave, meaning has ability to interfere, diffract and reflect |
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(1642-1727)
concluded evidence for a particle theory of light |
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(1773-1829)
showed that light interfered with itself just as water does. used interference to produce colored fringes, and demonstrating light was a transverse wave.
Double-slit experiment |
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Definition
(1831-1879)
Electro-Magnetic wave theory
Showed that light is an electromagnetic wave. |
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Definition
| When objects glow, they first flow red. Maxwell's equations could not explain it. |
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(1858-1947)
Solution to the glowing bodies
Blue light must require more energy to produce than red.
This meant that energy must come in finite chunks, called "energy packets"
Energy packets were given by E=hf |
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Definition
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Definition
treats light as both a particle and a wave.
Light is a quanta called photons
Photonics |
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Definition
waves behave like particles
light (EM wave) --> photons
vibrations (acoustic wave) --> phonons
collective electron waves--> plasmons |
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Definition
Thomas young 1801- experiment with light
Clauss Jonsson 1961- double slit experiment with electrons
Tonomura 1974- double slit experiment with single electrons |
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