Related by context. Frequent words. (Click for all words.) 61 crystal lattice 61 bandgap 59 electron 59 electrons 58 resonator 57 dielectric constant 57 waveguides 57 waveguide 57 excitation 57 photonic crystal 57 isotropic 57 excitons 57 phonons 57 resonators 56 magnetization 56 photodiode 56 silicon substrate 56 oxygen atoms 55 dielectric 55 bosons 55 semiconducting 55 photons 54 ferroelectric 54 magnetic flux 54 conductance 54 resonant frequency 54 photodetector 54 ferromagnetic 53 atoms 53 microwave frequencies 53 dimer 53 photodetectors 53 dipole 53 silicon oxide 53 tunability 53 plasmons 53 quantum dot 53 spacetime 52 photon 52 ZnO 52 adsorbed 52 anion 52 vibrational 52 dimers 52 picosecond 52 superfluid 52 planar 52 Supplementary Fig 52 oxygen atom 52 6GHz 52 tunable 52 conduction 52 sinusoidal 52 transistor 52 vias 51 anisotropy 51 sine wave 51 superconducting 51 polycrystalline 51 ions 51 #μm [001] 51 radiative 51 qubit 51 terahertz radiation 51 hydrogen atoms 51 GPa 51 calcium ions 51 #GHz [001] 50 hydrogen atom 50 fermions 50 reactants 50 dielectrics 50 micron sized 50 graphene 50 FETs 50 substrate 50 electron mobility 50 analyte 50 valence 50 silicon 50 amplitudes 50 conductivity 50 fullerene 49 diode 49 transmissive 49 electron spin 49 absorbance 49 ferrite 49 hydrogen ions 49 silicon nitride 49 impedance 49 graphene sheets 49 Photons 49 op amp 49 nanometer sized 49 VCSEL 49 superconductor 49 solder joints 49 optocoupler 49 1MHz 49 stator