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Search: WFRF:(Kakande E)

  • Result 1-5 of 5
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2.
  • Ellis, A. D., et al. (author)
  • Future Directions to Realize Ultra-High Bit-Rate Transmission Systems
  • 2010
  • In: Proceedings of OptoElectronics and Communications Conference, OECC 2010, Sapporo, Japan, 5-9 July 2010, invited paper..
  • Conference paper (other academic/artistic)abstract
    • In this paper we examine two potential future directions for the realization of ultra-high bit rate transmission systems.
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4.
  • Parmigiani, Francesca, et al. (author)
  • All-Optical Phase Regeneration of 40Gbit/s DPSK Signals in a Black‐Box Phase Sensitive Amplifier
  • 2010
  • In: 2010 Conference on Optical Fiber Communication, Collocated National Fiber Optic Engineers Conference, OFC/NFOEC 2010; San Diego, CA; United States; 21 March 2010 through 25 March 2010. - 9781557528841 ; , s. PDPC3-
  • Conference paper (peer-reviewed)abstract
    • We present a black‐box four wave mixingbased bit‐rate‐flexible phase sensitive amplifier and use it in the first demonstration of 40 Gbit/s DPSK phaseregeneration.
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5.
  • Slavík, Radan, et al. (author)
  • All-optical phase and amplitude regenerator for next-generation telecommunications systems
  • 2010
  • In: Nature Photonics. - 1749-4885 .- 1749-4893. ; 4:10, s. 690-695
  • Journal article (peer-reviewed)abstract
    • Fibre-optic communications systems have traditionally carried data using binary (on-off) encoding of the light amplitude. However, next-generation systems will use both the amplitude and phase of the optical carrier to achieve higher spectral efficiencies and thus higher overall data capacities. Although this approach requires highly complex transmitters and receivers, the increased capacity and many further practical benefits that accrue from a full knowledge of the amplitude and phase of the optical field more than outweigh this additional hardware complexity and can greatly simplify optical network design. However, use of the complex optical field gives rise to a new dominant limitation to system performance—nonlinear phase noise. Developing a device to remove this noise is therefore of great technical importance. Here, we report the development of the first practical (‘black-box’) all-optical regenerator capableof removing both phase and amplitude noise from binary phase-encoded optical communications signals.
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