Related by context. Frequent words. (Click for all words.) 52 exciton 51 planar 50 ferromagnetic 49 shorter wavelengths 49 crystal lattice 49 Tunable 48 dispersive 48 excitons 48 excitation 48 excitations 48 ferroelectric 47 dopant 47 bandgap 47 interfacial 47 picosecond 47 resonant frequency 47 semiconducting 47 waveguides 47 electron density 47 photon 47 polarizations 47 sinusoidal 47 pulsations 47 dielectric 46 cuprates 46 nonlinear 46 microscale 46 laser pulse 46 plasmonic 46 inductance 46 dielectric constant 46 phonons 46 magnetization 46 toroidal 46 photodetector 46 dopants 46 magnetic flux 45 isotropic 45 hysteresis 45 spacetime 45 quantized 45 Hawking radiation 45 InGaAs 45 magnetic fields 45 resonators 45 interferometry 45 electrons 45 photonic crystal 45 femtosecond 45 laser pulses 45 nanocrystalline 45 Photons 45 picoseconds 44 femtoseconds 44 photodiode 44 amplitudes 44 waveguide 44 harmonic 44 terahertz radiation 44 quantum mechanical 44 valence 44 electrically conducting 44 dye molecules 44 singularities 44 tunable 44 microwave frequencies 44 sine wave 44 quantization 44 X ray emission 43 vibrational 43 polarities 43 radiative 43 μs 43 bilayer 43 anisotropic 43 frequency comb 43 quadrature 43 diffraction 43 wavelength 43 spectral 43 ionisation 43 pulsed 43 dipole 43 entropic 43 monotonic 43 resonator 42 VCSELs 42 discrete 42 magnetic reconnection 42 submicron 42 ribozyme 42 amide 42 dynamical 42 Bose Einstein condensate 42 absorbance 42 fermions 42 quantum entanglement 42 diffractive 42 interleaved 42 polarity 42 ionize