Related by context. Frequent words. (Click for all words.) 65 interferometry 64 photodetectors 64 QCL 64 THz 63 shorter wavelengths 63 nm wavelength 63 InGaAs 63 photonic devices 63 photodetector 62 fiber lasers 62 terahertz 62 microwave frequencies 61 optical microscopy 61 diffraction 61 dopant 61 uncooled 61 electron mobility 60 laser diode 60 VCSEL 60 Terahertz 60 laser diodes 60 electron beams 60 photodiode 60 tunable laser 60 brightness LED 60 photonic crystal 60 interferometer 60 photodiodes 60 SWNTs 60 gallium nitride 60 photometric 60 thermoelectric materials 60 tunable lasers 60 Tunable 60 irradiance 59 submicron 59 spectroscopic 59 tunable 59 diode lasers 59 lasing 59 porous silicon 59 absorbance 59 waveguides 59 frequency comb 59 quantum dots 59 isotropic 59 MALDI 59 spectroscopy 59 Raman spectroscopy 59 dielectrics 59 spectrometry 58 confocal microscopy 58 resonators 58 synchrotron radiation 58 Quantum dots 58 confocal 58 diode laser 58 optical amplifiers 58 amplifier modules 58 photonic crystals 58 bandgap 58 toroidal 58 waveguide 58 wavelengths 58 6GHz 58 Metamaterials 58 visible wavelengths 58 spectrometers 57 infrared wavelengths 57 spectra 57 FT IR 57 silicon germanium 57 picosecond 57 nanocrystal 57 superconducting materials 57 fluorescence imaging 57 #GHz [001] 57 ion trap 57 plasmons 57 planar 57 diffractive 57 wavelength 57 #μm [002] 57 ion beam 57 gallium nitride GaN 56 plasmonic 56 μm 56 spatial resolution 56 X ray emission 56 amplitudes 56 anisotropy 56 SDH SONET 56 excitons 56 dielectric constant 56 silicon transistors 56 arrays 56 microchannels 56 ferrite 56 InP 56 GaN 56 Photons