Optical communications 962 Fiber optics 443 Optical fibers 73 Wavelength division multiplexing 71 Optical amplifiers 66 Wireless communication systems 63 Equipment and supplies 54 Computer networks 53 Data transmission systems 45 Design and construction 40 Optoelectronic devices 36 Telecommunication 31 Multiplexing 28 Code division multiple access 27 Optical communication systems 26 Optical wave guides 25 Telecommunication systems 24 Optical detectors 22 Laser communication systems 21 Optoelectronics 20 Radio frequency modulation 20 Photonics 19 Switching systems 19 Mathematics 18 Signal processing 18 Free space optical interconnects 17 Integrated optics 17 Integrated circuits 16 Optical fiber communication 13 Optical communication 12