Physics & Astronomy
cavities
100%
optics
70%
diffraction
64%
resonators
44%
frequency converters
39%
waveguides
36%
optical resonators
34%
electromagnetism
27%
gradients
26%
electromagnetic radiation
26%
surface emitting lasers
26%
photonics
25%
analogs
22%
parametric amplifiers
22%
solitary waves
21%
polarization
20%
optical waveguides
20%
miniaturization
19%
propagation
18%
slabs
17%
Maxwell equation
15%
sidebands
15%
rings
15%
wavelengths
15%
permittivity
14%
refraction
14%
lenses
13%
permeability
13%
coordinate transformations
12%
confining
12%
interactions
11%
Q factors
11%
universe
10%
relativity
10%
pulses
10%
momentum
10%
optical relay systems
10%
modules
9%
injection
8%
hysteresis
8%
visibility
8%
radiation
8%
thin films
7%
refractivity
7%
nonlinear systems
7%
gradient index optics
7%
actuation
7%
cones
7%
coefficients
7%
cycles
7%
Engineering & Materials Science
Metamaterials
22%
Optics
22%
Photonics
18%
Diffraction
13%
Fiber optic sensors
12%
Optical resonators
12%
Surface emitting lasers
11%
Electromagnetic waves
10%
Refractive index
10%
Waveguides
10%
Refraction
9%
Microlenses
9%
Analytical models
9%
Lenses
8%
Light propagation
8%
Microcavities
8%
Polarimeters
8%
Fibers
7%
Optoelectronic devices
7%
Optical interconnects
7%
Wavelength
6%
Maxwell equations
6%
Engineering education
6%
Polarization
5%
Optical data processing
5%
Multiplexing
5%
Quantum optics
5%
Light emitting diodes
5%
Invisibility cloaks
5%
Mathematics
Left handed
39%
Cavity
20%
Dissipative Structure
16%
Diffraction
13%
Propagation
11%
Waveguide
11%
Optics
9%
Quality Factor
8%
Right handed
8%
Photonics
8%
Metamaterials
7%
Refractive Index
7%
Analytical Model
7%
Spatial Structure
7%