Title :
Wide-band QAM-over-fiber using phase modulation and interferometric demodulation
Author :
Urick, Vincent J. ; Qiu, Joe X. ; Bucholtz, Frank
Author_Institution :
Naval Res. Lab., Washington, DC, USA
Abstract :
Transmission of microwave quadrature amplitude modulation over an all-Raman 105-km fiber-optic link is demonstrated. The link employs optical phase modulation and single-port interferometric demodulation to deliver up to 6 Gb/s in a single channel.
Keywords :
Mach-Zehnder interferometers; demodulation; microwave photonics; optical fibre communication; optical modulation; phase modulation; quadrature amplitude modulation; telecommunication channels; 105 km; all-Raman fibre-optic link; microwave quadrature amplitude modulation; optical phase modulation; single-port interferometric demodulation; wide-band QAM-over-fiber; Demodulation; Optical crosstalk; Optical filters; Optical interferometry; Optical modulation; Phase modulation; Quadrature amplitude modulation; Radio frequency; Signal generators; Wideband;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2004.834551
