The transmission of symmetric 40 Gb/s TWDM-based NG-PON2 utilizing delay interferometer (DI) for RSOA bandwidth enhancement
Keywords: Next-generation passive optical network (NG-PON2); Passive optical network (PON); Time-and-wavelength-division multiplexing passive optical network (TWDM-PON); Reflective semiconductor optical amplifier (RSOA); Delay interferometer (DI)