Danish Rafique

Summary

Affiliation: Tyndall National Institute
Country: Ireland

Publications

  1. ncbi Polarization multiplexed 16QAM transmission employing modified digital back-propagation
    Danish Rafique
    Photonics Systems Group, Tyndall National Institute and Department of Electrical Engineering Physics, University College Cork, Dyke Parade, Prospect Row, Cork, Ireland
    Opt Express 19:B805-10. 2011
  2. ncbi Impact of longitudinal power budget in coherent transmission systems employing digital back-propagation
    Danish Rafique
    Photonics Systems Group, Tyndall National Institute and Department of Electrical Engineering Physics, University College Cork, Dyke Parade, Prospect Row, Cork, Ireland
    Opt Express 19:B40-6. 2011
  3. ncbi Impact of signal-ASE four-wave mixing on the effectiveness of digital back-propagation in 112 Gb/s PM-QPSK systems
    Danish Rafique
    Photonics Systems Group, Tyndall National Institute and Department of Electrical Engineering Physics, University College Cork, Lee Maltings, Prospect Row, Cork, Ireland
    Opt Express 19:3449-54. 2011
  4. ncbi Nonlinearity compensation in multi-rate 28 Gbaud WDM systems employing optical and digital techniques under diverse link configurations
    Danish Rafique
    Tyndall National Institute and Department of Electrical Engineering Physics, University College Cork, Cork, Ireland
    Opt Express 19:16919-26. 2011
  5. ncbi Nonlinear and ROADM induced penalties in 28 Gbaud dynamic optical mesh networks employing electronic signal processing
    Danish Rafique
    Tyndall National Institute and Department of Electrical Engineering Physics, University College Cork, Cork, Ireland
    Opt Express 19:16739-48. 2011
  6. ncbi Compensation of intra-channel nonlinear fibre impairments using simplified digital back-propagation algorithm
    Danish Rafique
    Photonics Systems Group, Tyndall National Institute and Department of Electrical Engineering Physics, University College Cork, Dyke Parade, Prospect Row, Cork, Ireland
    Opt Express 19:9453-60. 2011
  7. ncbi Nonlinear penalties in long-haul optical networks employing dynamic transponders
    Danish Rafique
    Photonics Systems Group, Tyndall National Institute and Department of Electrical Engineering Physics, University College Cork, Dyke Parade, Cork, Ireland
    Opt Express 19:9044-9. 2011
  8. ncbi Digital back-propagation for spectrally efficient WDM 112 Gbit/s PM m-ary QAM transmission
    Danish Rafique
    Photonics Systems Group, Tyndall National Institute and Department of Electrical Engineering Physics, University College Cork, Dyke Parade, Prospect Row, Cork, Ireland
    Opt Express 19:5219-24. 2011
  9. ncbi Novel synchronous DPSK optical regenerator based on a feed-forward based carrier extraction scheme
    Selwan K Ibrahim
    Photonic Systems Group, Department of Physics and Tyndall National Institute, University College Cork, Ireland
    Opt Express 19:9445-52. 2011
  10. ncbi Influence of polarization state, baud rate and PMD on non-linear impairments in WDM systems with mixed PM (D)QPSK and OOK channels
    Mohsan Niaz Chughtai
    Photonic Systems Group, Tyndall National Institute and Department of EE Physics, UCC, Cork, Ireland
    Opt Express 20:8155-60. 2012

Collaborators

  • Markus Nölle
  • Mohsan Niaz Chughtai
  • Selwan K Ibrahim
  • Marco Forzati
  • Jonas Mårtensson
  • Ruwan Weerasuriya
  • John A O'Dowd
  • Stylianos Sygletos
  • Andrew D Ellis

Detail Information

Publications10

  1. ncbi Polarization multiplexed 16QAM transmission employing modified digital back-propagation
    Danish Rafique
    Photonics Systems Group, Tyndall National Institute and Department of Electrical Engineering Physics, University College Cork, Dyke Parade, Prospect Row, Cork, Ireland
    Opt Express 19:B805-10. 2011
    ..Furthermore, we show that coarse-step self-phase modulation compensation is inefficient in wavelength division multiplexed transmission...
  2. ncbi Impact of longitudinal power budget in coherent transmission systems employing digital back-propagation
    Danish Rafique
    Photonics Systems Group, Tyndall National Institute and Department of Electrical Engineering Physics, University College Cork, Dyke Parade, Prospect Row, Cork, Ireland
    Opt Express 19:B40-6. 2011
    ..In contrary a negative-step profile, emulating a failure (gain decrease or loss increase), significantly degrades the bit-error rate...
  3. ncbi Impact of signal-ASE four-wave mixing on the effectiveness of digital back-propagation in 112 Gb/s PM-QPSK systems
    Danish Rafique
    Photonics Systems Group, Tyndall National Institute and Department of Electrical Engineering Physics, University College Cork, Lee Maltings, Prospect Row, Cork, Ireland
    Opt Express 19:3449-54. 2011
    ....
  4. ncbi Nonlinearity compensation in multi-rate 28 Gbaud WDM systems employing optical and digital techniques under diverse link configurations
    Danish Rafique
    Tyndall National Institute and Department of Electrical Engineering Physics, University College Cork, Cork, Ireland
    Opt Express 19:16919-26. 2011
    ..For maps where quasi-phase matching is a significant issue, spectral inversion significantly outperforms ideal DBP by ~3 dB...
  5. ncbi Nonlinear and ROADM induced penalties in 28 Gbaud dynamic optical mesh networks employing electronic signal processing
    Danish Rafique
    Tyndall National Institute and Department of Electrical Engineering Physics, University College Cork, Cork, Ireland
    Opt Express 19:16739-48. 2011
    ..Furthermore, it has been demonstrated that a minimum filter Gaussian order of 3 and bandwidth of 35 GHz enable negligible excess penalty for any modulation order...
  6. ncbi Compensation of intra-channel nonlinear fibre impairments using simplified digital back-propagation algorithm
    Danish Rafique
    Photonics Systems Group, Tyndall National Institute and Department of Electrical Engineering Physics, University College Cork, Dyke Parade, Prospect Row, Cork, Ireland
    Opt Express 19:9453-60. 2011
    ..This method takes into account the correlation between adjacent symbols at a given instant using a weighted-average approach, and optimization of the position of nonlinear compensator stage to enable practical digital back-propagation...
  7. ncbi Nonlinear penalties in long-haul optical networks employing dynamic transponders
    Danish Rafique
    Photonics Systems Group, Tyndall National Institute and Department of Electrical Engineering Physics, University College Cork, Dyke Parade, Cork, Ireland
    Opt Express 19:9044-9. 2011
    ....
  8. ncbi Digital back-propagation for spectrally efficient WDM 112 Gbit/s PM m-ary QAM transmission
    Danish Rafique
    Photonics Systems Group, Tyndall National Institute and Department of Electrical Engineering Physics, University College Cork, Dyke Parade, Prospect Row, Cork, Ireland
    Opt Express 19:5219-24. 2011
    ..5 for a 2 unit increase in capacity (log2m) when full band DBP is employed, in proportion to the required back-to-back OSNR...
  9. ncbi Novel synchronous DPSK optical regenerator based on a feed-forward based carrier extraction scheme
    Selwan K Ibrahim
    Photonic Systems Group, Department of Physics and Tyndall National Institute, University College Cork, Ireland
    Opt Express 19:9445-52. 2011
    ..The overall performance was evaluated in terms of electrical eye-diagrams, BER measurements, and constellation diagrams...
  10. ncbi Influence of polarization state, baud rate and PMD on non-linear impairments in WDM systems with mixed PM (D)QPSK and OOK channels
    Mohsan Niaz Chughtai
    Photonic Systems Group, Tyndall National Institute and Department of EE Physics, UCC, Cork, Ireland
    Opt Express 20:8155-60. 2012
    ..The dependence on relative SOP is more pronounced in differential detection than in coherent detection. However, with increasing values of PMD this dependence decreases, and non-linear tolerance improves...