Engineering & Materials Science
Photonic crystals
100%
Crystals
97%
Harmonic generation
60%
Photons
53%
Phase matching
46%
Electrons
46%
Wavelength
44%
Plasmonics
44%
Surface plasmons
38%
Lasers
35%
Nonlinear optics
33%
Photonics
31%
Wave functions
30%
Polarization
28%
Ferroelectric materials
25%
Gaussian beams
25%
Semiconductor lasers
24%
Pumps
24%
Holograms
21%
Radiation
20%
Optical parametric oscillators
19%
Conversion efficiency
19%
Lenses
18%
Electron beams
18%
Modulation
17%
Wavefronts
17%
Plasmons
16%
Diffraction
16%
Periodic structures
16%
Optics
15%
Frequency stability
15%
Neodymium lasers
14%
Gravity waves
14%
Linewidth
14%
Spectroscopy
14%
Qubits
13%
Refractive index
13%
Lithium
12%
Fiber optics
12%
Vortex flow
12%
Water waves
12%
Waveguides
11%
Microscopic examination
11%
Trajectories
11%
Masks
11%
Q switched lasers
11%
Aberrations
10%
Light sources
10%
Hall effect
10%
Interferometers
10%
Physics & Astronomy
crystals
87%
photonics
70%
frequency converters
66%
phase matching
58%
harmonic generations
49%
harmonics
45%
pumps
38%
plasmons
30%
wavelengths
30%
gratings
24%
lasers
23%
parametric amplifiers
23%
interactions
22%
locking
21%
nonlinear optics
21%
free electrons
20%
YAG lasers
20%
modulation
20%
water waves
20%
output
19%
photons
18%
idlers
18%
polarization
18%
semiconductor lasers
18%
vortices
17%
coefficients
17%
broadband
17%
electron beams
15%
bandwidth
15%
propagation
15%
pulses
14%
stabilization
14%
nonlinearity
14%
cavities
14%
light beams
13%
trajectories
13%
angular momentum
13%
diffraction
13%
frequency stability
12%
manipulators
12%
fibers
12%
oscillations
12%
wave packets
12%
radiation
11%
polaritons
11%
electrons
11%
iodine
10%
wave functions
10%
optics
10%
interferometers
9%
Chemistry
Photonic Crystal
58%
Free Electron
34%
Photon
34%
Wave
27%
Pump
25%
Surface Plasmon
24%
Wavelength
22%
Electron Particle
20%
Second-Harmonic Generation
19%
Water Wave
18%
Shape
16%
Polariton
14%
Geometric Phase
14%
Hall Effect
13%
Electron Beam
11%
Skyrmion
11%
Gravity
10%
Application
10%
Polarization
10%
Wave Function
10%
Acousto-Optic Effect
9%
Fiber
9%
Third-Harmonic Generation
9%
Wave Packet
8%
Sum-Frequency Generation
8%
Dimension
8%
Probe
8%
Gerlach Reaction
8%
Thermal Expansion Coefficient
7%
Angular Momentum
7%
Spintronics
7%
Spectroscopy
7%
Interferometry
7%
Mid-IR Spectroscopy
7%
Collective Excitation
7%
Optical Communication
6%
Reflectivity
6%
Anderson Localization
6%
Plasmon
6%
Nonlinear Dynamics
5%
Soliton
5%
Surface
5%
Ferroelectric Domain
5%
Filtration
5%
Electromagnetic Radiation
5%
Complementary DNA
5%
Quantum Mechanics
5%
Cladding
5%