DID YOU KNOW? DTIC has over 3.5 million final reports on DoD funded research, development, test, and evaluation activities available to our registered users. Click
HERE to register or log in.
Accession Number:
AD1004896
Title:
Quantum Communication Using Macroscopic Phase Entangled States
Report Date:
2015-12-10
Abstract:
This final report describes the accomplishments of the program after 36 months of funding. A new long-range QKD protocol was proposed and its security was investigated. A pulsed Sagnac interferometer for single-shot phase shift measurements was investigated but not completed due to technical difficulties. Other methods for producing single-photon nonlinear phase shifts were investigated. Randomly-chosen unitary transformations were used to decrease the mutual information available to an eavesdropper. Several nonlinear effects were demonstrated using metastable xenon in a high-finesse cavity, including a nonlinear cross-phase shift. The nonlinear phase shifts were enhanced. Other techniques for long-range secure quantum communications were investigated based on the use of a small amount of shared prior key.
Document Type:
Conference:
Journal:
Pages:
22
File Size:
2.69MB
W31P4Q-12-1-0015
(W31P4Q1210015 );
Contracts:
Grants:
Distribution Statement:
Approved For Public Release
