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Pirandola S, Mancini S, Lloyd S, Braunstein SL. Continuous-variable quantum cryptography using two-way quantum communication. Nat Phys. 2008;4(9):726–30.
Abstract: Quantum cryptography has recently been extended to continuous-variable systems, such as the bosonic modes of the electromagnetic field possessing continuous degrees of freedom. In particular, several cryptographic protocols have been proposed and experimentally implemented using bosonic modes with Gaussian statistics. These protocols have shown the possibility of reaching very high secret key rates, even in the presence of strong losses in the quantum communication channel. Despite this robustness to loss, their security can be affected by more general attacks where extra Gaussian noise is introduced by the eavesdropper. Here, we show a `hardware solution' for enhancing the security thresholds of these protocols. This is possible by extending them to two-way quantum communication where subsequent uses of the quantum channel are suitably combined. In the resulting two-way schemes, one of the honest parties assists the secret encoding of the other, with the chance of a non-trivial superadditive enhancement of the security thresholds. These results should enable the extension of quantum cryptography to more complex quantum communications.
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Kopp VI, Churikov VM, Genack AZ. Chiral-fiber gratings sense the environment. In: Laser Focus World. Vol 44.; 2008. p. 76–9.
Abstract: The article focuses on the use of chiral fiber gratings in sensing. It discusses the production of chiral optical fibers which are created through twisting fibers. It cites experiments concerning the function of chiral-fiber grating produced by twisting optical fibers. The process and results of the experiments are also discussed in the article.
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Anant V, Kerman AJ, Dauler EA, Yang JKW, Rosfjord Kine M, Berggren KK. Optical properties of superconducting nanowire single-photon detectors. Opt Express. 2008;16(14):10750.
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Thijs de Graauw, Nick Whyborn, Frank Helmich, Pieter Dieleman, Peter Roelfsema, Emmanuel Caux, et al. The Herschel-heterodyne instrument for the far-infrared (HIFI): instrument and pre-launch testing. In: Proc. SPIE. Vol 7010.; 2008. 701004.
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Li M, Pernice WHP, Xiong C, Baehr-Jones T, Hochberg M, Tang HX. Harnessing optical forces in integrated photonic circuits. Nature. 2008;456(7221):480–4.
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