Related by context. Frequent words. (Click for all words.) 64 terahertz radiation 60 microwave radiation 59 electrically conducting 59 excitons 59 dopant 58 X ray beam 58 microwave frequencies 57 plasmons 57 dopants 57 photonic crystals 57 magnetic fields 56 waveguides 56 bilayer 56 photonic devices 56 wavelengths 56 microstructures 56 photonic crystal 56 electromagnetic waves 56 sensor arrays 56 photodetector 56 microelectronic devices 55 shorter wavelengths 55 frequency comb 55 microchannels 55 microelectrodes 55 nanotube 55 ionisation 55 nanoscale structures 55 metamaterial 55 metamaterials 55 entangled photons 55 Terahertz 55 electron spins 54 nanoribbons 54 fluorophores 54 electron beams 54 optical biosensors 54 bandgap 54 excitations 54 porous silicon 54 Metamaterials 54 SWNTs 54 nanomechanical 53 isotropic 53 biological molecules 53 conductivity 53 waveguide 53 ultrasonics 53 ultrasonic waves 53 microbubbles 53 Gamma rays 53 biomolecule 53 dispersive 53 graphene 53 silicon atoms 52 magnetic pulses 52 infrared radiation 52 nanosensors 52 resonators 52 terahertz 52 electrical conductivity 52 optical wavelengths 52 thermoelectric materials 52 gold nanorods 52 aerosol particles 52 interferometric 52 optical tweezers 52 nanopores 52 nano engineered 52 SWCNTs 52 nanogenerators 52 collagen fibers 52 nanofiber 52 microscale 52 visible wavelengths 52 electron mobility 52 THz 52 electron density 52 macroscale 52 indium phosphide 52 microfluidic devices 52 nanofibres 51 nanosized 51 ultraviolet UV light 51 optical fibers 51 electrodes 51 resonator 51 nanogenerator 51 interferometers 51 radiowaves 51 interfacial 51 X ray beams 51 nanostructures 51 graphene sheets 51 nanotubes 51 carbon nanotubes 51 fluorescing 51 electrical currents 51 Hawking radiation 51 ultra violet rays 51 photodetectors