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Sökning: WFRF:(Hu M) > RISE

  • Resultat 1-6 av 6
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1.
  • Hu, H., et al. (författare)
  • TuB4.1-chip based thz emitter for ultra-high speed THz wireless communication (Invited)
  • 2019
  • Ingår i: IEEE Photonics Society Summer Topical Meeting Series 2019, SUM 2019. - : Institute of Electrical and Electronics Engineers Inc.. - 9781728105970
  • Konferensbidrag (refereegranskat)abstract
    • By using a monolithically integrated dual-distributed feedback (DFB) laser chip attached to a photomixing uni-Travelling carrier photodiode (UTC-PD) with a THz antenna, single-channel THz photonic-wireless transmission system with a net rate of 131 Gbit/s over a wireless distance of 10.7 m has been achieved. 
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2.
  • Oxenløwe, L. K., et al. (författare)
  • 100s gigabit/s THz communication
  • 2018
  • Ingår i: Optics InfoBase Conference Papers. - : OSA - The Optical Society. - 9781557528209
  • Konferensbidrag (refereegranskat)abstract
    • This paper gives an overview of recent progress on the topic of using around 0.4 THz carriers for communications. Experimental demonstrations will be described, and concepts and pros & cons of various system-platforms discussed.
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3.
  • Pang, Xiaodan, Dr., et al. (författare)
  • 260 Gbit/s Photonic-Wireless Link in the THz Band
  • 2016
  • Ingår i: 260 Gbit/s photonic-wireless link in the THz band. - : Institute of Electrical and Electronics Engineers (IEEE). - 9781509019069
  • Konferensbidrag (refereegranskat)abstract
    • A single-transmitter/single-receiver THz link (0.3-0.5 THz) with a record net data rate of 260 Gbit/s is experimentally demonstrated. Spectrally efficient multi-channel signal transmission is enabled by a novel frequency-band-allocation scheme with pre-and-post-digital equalization.
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4.
  • Zhang, Lu, et al. (författare)
  • Kernel Adaptive Filtering for Nonlinearity-Tolerant Optical Direct Detection Systems
  • 2018
  • Ingår i: ). - : Institute of Electrical and Electronics Engineers Inc.. ; , s. 1-3
  • Konferensbidrag (refereegranskat)abstract
    • Kernel adaptive filtering (KAF) is proposed for nonlinearity-tolerant optical direct detection. for 7×128 Gbit/s PAM4 transmission over 33.6km 7-core-fiber, KAF only needs 10 equalizer taps to reach KP4-FEC limit (BER@2.2e-4), whereas decision-feedback-equalizer needs 43 equalizer taps to reach HD-FEC limit (BER@3.8e-3).
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5.
  • Zhang, Lu, et al. (författare)
  • Nonlinearity-aware 200 Gbit/s DMT transmission for C-band short-reach optical interconnects with a single packaged electro-absorption modulated laser
  • 2018
  • Ingår i: Optics Letters. - : OPTICAL SOC AMER. - 0146-9592 .- 1539-4794. ; 43:2, s. 182-185
  • Tidskriftsartikel (refereegranskat)abstract
    • We experimentally demonstrate the transmission of a 200 Gbit/s discrete multitone (DMT) at the soft forward error correction limit in an intensity-modulation direct-detection system with a single C-band packaged distributed feedback laser and traveling-wave electro absorption modulator (DFB-TWEAM), digital-to-analog converter and photodiode. The bit-power loaded DMT signal is transmitted over 1.6 km standard single-mode fiber with a net rate of 166.7 Gbit/s, achieving an effective electrical spectrum efficiency of 4.93 bit/s/Hz. Meanwhile, net rates of 174.2 Gbit/s and 179.5 Gbit/s are also demonstrated over 0.8 km SSMF and in an optical back-to-back case, respectively. The feature of the packaged DFB-TWEAM is presented. The nonlinearity-aware digital signal processing algorithm for channel equalization is mathematically described, which improves the signal-to-noise ratio up to 3.5 dB.
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6.
  • Åström, E., et al. (författare)
  • Precision measurements of linear scattering density using muon tomography
  • 2016
  • Ingår i: Journal of Instrumentation. - : Institute of Physics Publishing. - 1748-0221 .- 1748-0221. ; 11:7
  • Tidskriftsartikel (refereegranskat)abstract
    • We demonstrate that muon tomography can be used to precisely measure the properties of various materials. The materials which have been considered have been extracted from an experimental blast furnace, including carbon (coke) and iron oxides, for which measurements of the linear scattering density relative to the mass density have been performed with an absolute precision of 10%. We report the procedures that are used in order to obtain such precision, and a discussion is presented to address the expected performance of the technique when applied to heavier materials. The results we obtain do not depend on the specific type of material considered and therefore they can be extended to any application.
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  • Resultat 1-6 av 6

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