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Quantum communication in optical networks : an overview and selected recent results
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- Sauge, Sebastien (author)
- KTH,Mikroelektronik och Informationsteknik, IMIT
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- Swillo, Marcin (author)
- KTH,Mikroelektronik och Informationsteknik, IMIT
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- Albert-Seifried, Sebastian (author)
- KTH,Mikroelektronik och Informationsteknik, IMIT
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- (creator_code:org_t)
- 2007
- 2007
- English.
- In: ICTON 2007. - 9781424412488 ; , s. 30-33
- Conference paper (peer-reviewed)
Abstract
Subject headings
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- We discuss recent work in quantum communication, and in some details present a bright, narrowband, portable, quasi-phase-matched two-crystal source generating polarization-entangled photon pairs at 809 nm and 1555 nm. We also show how the single-photon quantum channel at 1555 nm and a classical synchronization signal gating the single photon detector at the receiving side can be multiplexed in the same optical fiber of length 27 km by means of wavelength division multiplexers (WDM) having 100 GHz (0.8 nm) spacing between channels. This illustrates bow single-photon quantum communication applications is compatible with current high-speed optical networks.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
Keyword
- quantum communication
- quantum cryptography
- single-photon detection
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- kon (subject category)
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- ICTON 2007
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