Long-distance transmission of directly modulated 1550 nm AM-VSB CATV systems

Physics & Astronomy

• amplifiers 13%
• analogs 13%
• cable television 100%
• carrier to noise ratios 24%
• composite materials 10%
• costs 12%
• distributed feedback lasers 18%
• erbium 16%
• fibers 18%
• optical fibers 12%
• performance 7%
• preamplifiers 19%
• semiconductor lasers 12%
• synchronism 14%
• wavelength division multiplexing 18%

Engineering & Materials Science

• Cable television systems 97%
• Composite materials 9%
• Costs 6%
• Distributed feedback lasers 27%
• Erbium doped fiber amplifiers 24%
• Optical fibers 17%
• Semiconductor lasers 20%
• Single mode fibers 22%
• Wavelength division multiplexing 18%

Chemical Compounds

• Composite Material 16%
• Fiber 42%