ArticleNET EFFECTIVE GAIN OF MULTI-PUMPING RAMAN AMPLIFIER IN ULTRA-WAVELENGTH DIVISION MULTIPLEXING AND ULTRA-LONG – HAUL OPTICAL COMMUNICATION SYSTEMS
ArticleNET EFFECTIVE GAIN OF MULTI-PUMPING RAMAN AMPLIFIER IN ULTRA-WAVELENGTH DIVISION MULTIPLEXING AND ULTRA-LONG – HAUL OPTICAL COMMUNICATION SYSTEMS