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TL;DR: It is shown that QKD can be extended beyond point-to-point links to switched multinode architectures including protected ring networks to enhance quantum channel availability.
Abstract: Quantum key distribution (QKD) enables unconditional physical layer security for the distribution of cryptographic key material. However, most experimental demonstrations have relied on simple point-to-point optical links. In this paper we investigate the compatibility of QKD with reconfigurable optical networks. By performing the first tests of QKD transmission through optical switches, we study if there are impairment mechanisms other than switch insertion loss that impact the sifted and error corrected secret bit yield. Three types of transparent optical switch elements are investigated including lithium niobate (LiNbO/sub 3/), microelectromechanical systems (MEMS), and optomechanical. We show that QKD can be extended beyond point-to-point links to switched multinode architectures including protected ring networks to enhance quantum channel availability.
91 citations
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23 Aug 1998TL;DR: In this paper, Micali et al. extended his scheme by reducing the overall CA to Directory communication, while still maintaining the same tiny user-to-vendor communication.
Abstract: The availability of fast and reliable Digital Identities is an essential ingredient for the successful implementation of the public-key infrastructure of the Internet. All digital identity schemes must include a method for revoking someone's digital identity in the case that this identity is stolen (or canceled) before its expiration date (similar to the cancelation of a credit-cards in the case that they are stolen). In 1995, S. Micali proposed an elegant method of identity revocation which requires very little communication between users and verifiers in the system. In this paper, we extend his scheme by reducing the overall CA to Directory communication, while still maintaining the same tiny user to vendor communication. We contrast our scheme to other proposals as well.
91 citations
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TL;DR: Absorption en temps resolu de la picoseconde de l'absorption midgap associee a des solitons charges photogeneres dans le trans-PA.
Abstract: Piscosecond time-resolved absorption studies of the midgap absorption associated with photogenerated charged solitons in trans-polyacetylene are reported. Both direct photogeneration of charged-soliton pairs and neutral- to charged-soliton conversion are observed. The former are created by intrachain absorption and decay on a subpicosecond time scale. The latter are formed following interchain photoexcitation and are the dominant population of charged solitons at times greater than 20 ps.
91 citations
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04 Apr 1996TL;DR: In an Advanced Intelligent Telephone Network (AITN) system, switching points are programmed to trigger a query to a Service Control Point ('SCP') in response to a dialed '500' number.
Abstract: In an Advanced Intelligent Telephone Network system, switching points are programmed to trigger a query to a Service Control Point ('SCP') in response to a dialed '500' number. The SCP performs a data request of an outside database store service provider information, obtaining a service provider identification or a routing number corresponding to the dialed '500' number. The SCP then transmits a switching instruction to the service system point to route the call to the appropriate destination number.
91 citations
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TL;DR: In this article, the principal theoretical developments in the theory of band tails in heavily doped semiconductors are reviewed and applications are briefly discussed, but no accurate comparison of theory and experiment has yet been possible.
Abstract: The principal theoretical developments in the theory of band tails in heavily doped semiconductors are reviewed. Applications are briefly discussed. It appears that no accurate comparison of theory and experiment has yet been possible.
90 citations
Authors
Showing all 3097 results
Name | H-index | Papers | Citations |
---|---|---|---|
Joseph E. Stiglitz | 164 | 1142 | 152469 |
Pete Smith | 156 | 2464 | 138819 |
Jean-Marie Tarascon | 136 | 853 | 137673 |
Ramamoorthy Ramesh | 122 | 649 | 67418 |
Martin Vetterli | 105 | 761 | 57825 |
Noga Alon | 104 | 895 | 44575 |
Amit P. Sheth | 101 | 753 | 42655 |
Harold G. Craighead | 101 | 569 | 40357 |
Susan T. Dumais | 100 | 346 | 60206 |
Andrzej Cichocki | 97 | 952 | 41471 |
Robert E. Kraut | 97 | 297 | 38116 |
Kishor S. Trivedi | 95 | 698 | 36816 |
David R. Clarke | 90 | 553 | 36039 |
Axel Scherer | 90 | 736 | 43939 |
Michael R. Lyu | 89 | 696 | 33257 |