Related by context. Frequent words. (Click for all words.) 77 wavelengths 60 infrared wavelengths 60 photons 60 spectral 60 photon 59 spectra 58 excitation 57 diffraction 56 tunable 55 fluorescence 54 redshift 54 infrared 53 optical 53 quantum dot 53 photonic 52 brightness 52 terahertz 51 waveguide 51 spatial resolution 50 bandwidths 50 electron 50 laser beam 50 frequencies 50 refractive index 49 DWDM 49 electromagnetic spectrum 49 laser diodes 49 #nm [003] 49 voltages 49 optical fibers 48 μm 48 infrared radiation 48 spectroscopy 48 quantum dots 48 micrometer 48 gamma rays 48 laser diode 48 qubit 48 spectroscopic 47 intensities 47 optically 47 atoms 47 Gbps 47 MHz frequency 47 conductance 47 optics 47 optical components 47 diode 47 #GHz [002] 46 #Gbps [001] 46 diodes 46 ionosphere 46 resonator 46 luminosity 46 gamma ray 46 luminance 46 luminescence 46 kHz 46 focal length 46 magnetic fields 46 polarity 46 ultraviolet 46 reflectance 46 voltage 46 millimeter wave 46 reflectivity 46 UVB 46 filament 46 Gb s 46 Gbit s 45 phosphor 45 metamaterials 45 #Gb s [001] 45 frequency 45 fiber lasers 45 nanotube 45 CCDs 45 distant galaxies 45 nanometer scale 45 aperture 45 CWDM 45 laser beams 45 metamaterial 45 spectrometer 45 modulation 45 electrons 44 filaments 44 nanometers 44 nuclei 44 refraction 44 nucleotide 44 micrometers 44 lasers 44 optic 44 quasars 44 quasar 44 neutrons 44 illumination 44 molecule 44 planar 43 wideband