Title :
Dispersion Supported BB84 Quantum Key Distribution Using Phase Modulated Light
Author :
Mora, J. ; Ruiz-Alba, A. ; Amaya, W. ; Capmany, J.
Author_Institution :
ITEAM Res. Inst., Univ. Politec. de Valencia, Valencia, Spain
fDate :
6/1/2011 12:00:00 AM
Abstract :
We propose and experimentally demonstrate that, contrary to what was thought up to now, an efficient BB84 operation is feasible using the double phase modulator (PM-PM) configuration in frequency-coded quantum key distribution systems without dispersion compensation. This is achieved by exploiting the chromatic dispersion provided by the fiber linking Alice and Bob. Thus, we refer to this system as dispersion supported or as the DS BB84 PM-PM configuration.
Keywords :
optical fibre dispersion; optical modulation; phase modulation; quantum cryptography; BB84 operation; DS BB84 PM-PM configuration; chromatic dispersion; dispersion compensation; dispersion supported BB84 quantum key distribution; double phase modulator configuration; frequency-coded quantum key distribution systems; phase modulated light; Optical fiber dispersion; Optical fibers; Optical filters; Optical transmitters; Phase modulation; Microwave photonics; phase modulation; quantum communications;
Journal_Title :
Photonics Journal, IEEE
DOI :
10.1109/JPHOT.2011.2146764