Experimental Study of High Speed Polarization-Coding Quantum Key Distribution With Sifted-Key Rates Over Mbit/s

Abstract

We present a quantitative study of various limitations on quantum cryptographic systems operating with sifted-key rates over Mbit/s. The dead time of silicon APDs not only limits the sifted-key rate but also causes correlation between the neighboring key bits. In addition to the well known count-rate dependent timing jitter in avalanche photo-diode (APD), the faint laser sources, the vertical cavity surface emission lasers (VCSELs) in our system, also induce a significant amount of data-dependent timing jitter. Both the dead time and the data-dependent timing jitter are major limiting factors in designing QKD systems with sifted-key rates beyond Mbit/s.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Mar 20, 2006
Accession Number
ADA507198

Entities

People

  • Alan Mink
  • Anastase Nakassis
  • Barry Hershman
  • Carl J. Williams
  • Charles W. Clark
  • David Su
  • Hai Xu
  • Joshua C. Bienfang
  • Lijun Ma
  • Ronald F. Boisvert
  • Xiao Tang

Organizations

  • National Institute of Standards and Technology

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Circuit Boards
  • Coding
  • Computer Communications
  • Computer Programming
  • Cryptography
  • Dead Time
  • Field Programmable Gate Arrays
  • Operating Systems
  • Optical Fibers
  • Optics
  • Polarization
  • Printed Circuits
  • Quantum Bits
  • Quantum Cryptography
  • Quantum Key Distribution
  • Quantum Properties
  • Standards

Fields of Study

  • Computer science

Readers

  • Inertial Navigation Systems.
  • Integrated Circuit Design and Technology.
  • Quantum Dot Semiconductor Device Photonics and Graphene Optoelectronic Materials and THz Physics.

Technology Areas

  • Directed Energy
  • Quantum Computing
  • Quantum Science - Quantum Key Distribution