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Physics

OPTICAL FIBRE PUBLICATIONS

Papers in Journals and International Conference Proceedings

  1. W. T. Ireeta, V. Musara, L. Wu and A. W. R. Leitch "Statistical characterization of the output state of polarization in deployed single-mode fibers" Optics Letters, Vol. 35. p1 (2010)
  2. V. Musara, W. T. Ireeta, L. Wu and A. W. R. Leitch "The General Interferometry Technique: Interferogram analysis in the presence of a high polarization mode dispersion segment" IEEE Photonic Technology Letters, Manuscript PTL-22236-2010, (2010) [Under Review]
  3. V. Musara, W. T. Ireeta, S. K. Fosuhene, L. Wu and A. W. R. Leitch "The impact of a high polarization mode dispersion section on the output state of polarization of propagating light" Optical Fiber Technology, Manuscript OFT-10-86, (2010) [Under Review]
  4.  V. Musara, S. K. Fosuhene, W. T. Ireeta, L. Wu and A. W. R. Leitch "Emulator with inverse trend in First-order and Second-order polarization mode dispersion" Optics Communications, Manuscript SM-455, (2010) [Under Review]
  5. V. Musara, W. T. Ireeta, S. K. Fosuhene, L. Wu and A. W. R. Leitch "Tuneable polarization mode dispersion emulator: Fixed polarization maintaining fibres and rotatable polarization orientations" Review of Scientific Instruments, Manuscript A100618, (2010) [Under Review] 
  6. V. Musara, S. Younsi, L. Wu, M. Zghal and A. W. R. Leitch "Statistical characterization of First-order and Second-order polarization mode dispersion in a deployed buried optical fibre cable" Proceedings of the 2009 IEEE AFRICON (IEEE Explore), Nairobi, p1 (23-25 Sept 2009)  
  7. V. Musara, L. Wu and A.W.R. Leitch
    "A polarization mode dispersion (PMD) emulator with tuneable first-order PMD and constant second-order PMD"
    Optics Communications, Vol. 282, p3270 (2009)
  8. V. Musara, L. Wu, G. Pelaelo and A.W.R. Leitch
    "PMD emulation using polarization maintaining fibres: Fixed root-mean-square DGD but varying second-order PMD"
    Review of Scientific Instruments, Vol. 80, p053113 (2009)
  9. R. Cigliutti, A. Galtarossa, M. Giltrelli, D. Grosso, A.W.R. Leitch, L. Palmieri, S. Santoni, L. Schenato and D. Waswa
    "Design, estimation and experimental validation of optical Polarization Mode Dispersion Compensator in 40 Gbit/s NRZ and RZ optical systems"
    Optical Fiber Technology, Vol.15, p242 (2009)
  10. V. Musara, L. Wu and A. W. R. Leitch "A fixed differential group delay but varying Second-order polarization mode dispersion emulator" Proceedings of the 2008 BROADCOM 3rd International Conference (IEEE Explore), p468 (23-26 Nov 2008)
  11. T.B. Gibbon L. Wu, D.W. Waswa, A.B. Conibear and A.W.R. Leitch
    "Polarization mode dispersion compensation for the South African optical-fibre telecommunication network"
    South African Journal of Science, Vol. 104, p119 (2008)
  12. A.W.R. Leitch, “Polarization mode dispersion: issues for a long-Haul telecommunication network”.
    Invited lecture at Submarine Networks Africa conference, Johannesburg, South Africa (27 – 28 Nov 2007).
  13. L. Wu, L. Viljoen, M.C. Mankga, T.B. Gibbon, A.B. Conibear and A.W.R. Leitch
    “Interpreting PMD data in a deployed fibre network: influence of polarization scrambling”. Presented at the Second conference on Information and Communication Technology in Africa (ICTe Africa 2006), Nairobi, Kenya (17 - 21 May 2006).
  14. A.W.R. Leitch, E.E. van Dyk, L. Wu and A.B. Conibear
    "Addressing the future educational needs of the Telecoms industry for communication in Africa";. Presented at the Second conference on Information and Communication Technology in Africa (ICTe Africa 2006), Nairobi, Kenya (17 - 21 May 2006).
  15. A.B. Conibear, A.W.R. Leitch, N.A. Sibaya, T.B. Gibbon and L. Viljoen
    “Study of polarization mode dispersion in a South African optical fibre network”. South African Journal of Science, Vol. 101, pp. 275, 277 (2005).
  16. T.B. Gibbon, A.B. Conibear and A.W.R. Leitch
    “Polarization mode dispersion: characterization of optical fibre using cross-correlation interferometry”. Review of Scientific Instruments, Vol. 76, pp. 123102-1 to 123102-3 (2005).
  17. T.B. Gibbon, A.B. Conibear and A.W.R. Leitch
    “PMD: Cross-correlation Interferometric Investigations into Polarization Mode Coupling” 12th International Conference on Telecommunications (ICT), Cape Town, South Africa, 3 - 6 May 2005. Published in the Proceedings (2005).
  18. A.B. Conibear, F.J. Visser, F. Audet, R. Salmi, and A.W.R. Leitch
    "Locating High PMD Sections of an Overhead Cable Using Polarization-OTDR”
    Symposium for Optical Fibre Measurements (SOFM), Boulder, Colorado, USA (27 - 30 Sept 2004). Published in NIST Special Publication 1024 (Technical Digest), pp. 103- 106 (2004).
  19. A.B. Conibear, A.W.R. Leitch, N.A. Sibaya, T.B. Gibbon and L. Viljoen
    “Study of polarization mode dispersion in a South African optical fibre network”. South African Journal of Science, Vol. 101, pp. 275, 277 (2005).
  20. T.B. Gibbon, A.B. Conibear and A.W.R. Leitch
    “Polarization mode dispersion: characterization of optical fibre using cross-correlation interferometry”. Review of Scientific Instruments, Vol. 76, pp. 123102-1 to 123102-3 (2005).
  21. T.B. Gibbon, A.B. Conibear and A.W.R. Leitch
    “PMD: Cross-correlation Interferometric Investigations into Polarization Mode Coupling” 12th International Conference on Telecommunications (ICT), Cape Town, South Africa, 3 - 6 May 2005. Published in the Proceedings (2005).
  22. A.B. Conibear, F.J. Visser, F. Audet, R. Salmi, and A.W.R. Leitch
    "Locating High PMD Sections of an Overhead Cable Using Polarization-OTDR”
    Symposium for Optical Fibre Measurements (SOFM), Boulder, Colorado, USA (27 - 30 Sept 2004). Published in NIST Special Publication 1024 (Technical Digest), pp. 103- 106 (2004).
  23. A.B. Conibear, A.W.R. Leitch, N.A. Sibaya, T.B. Gibbon and L. Viljoen
    “Study of polarization mode dispersion in a South African optical fibre network”. South African Journal of Science, Vol. 101, pp. 275, 277 (2005).
  24. T.B. Gibbon, A.B. Conibear and A.W.R. Leitch
    “Polarization mode dispersion: characterization of optical fibre using cross-correlation interferometry”. Review of Scientific Instruments, Vol. 76, pp. 123102-1 to 123102-3 (2005).
  25. T.B. Gibbon, A.B. Conibear and A.W.R. Leitch
    “PMD: Cross-correlation Interferometric Investigations into Polarization Mode Coupling” 12th International Conference on Telecommunications (ICT), Cape Town, South Africa, 3 - 6 May 2005. Published in the Proceedings (2005).
  26. A.B. Conibear, F.J. Visser, F. Audet, R. Salmi, and A.W.R. Leitch
    "Locating High PMD Sections of an Overhead Cable Using Polarization-OTDR”
    Symposium for Optical Fibre Measurements (SOFM), Boulder, Colorado, USA (27 - 30 Sept 2004). Published in NIST Special Publication 1024 (Technical Digest), pp. 103- 106 (2004).

Papers presented at SATNAC Conferences, South Africa

  1. E. K. Rotich Kipnoo, H. Kourouma, D. Waswa, A. W. R. Leitch and T. B. Gibbon “Analysis of VCSEL Transmission for the Square Kilometre Array (SKA) in South Africa” Proceedings of the 2012 SATNAC Conference, George, Western Cape (Sept 2012)
  2. Hamed Y. S. Kourouma, Enoch K. Rotich, David Waswa, Romeo Gamathan, Andrew W. R. Leitch and Tim B. Gibbon “Effects on the Phase of a 4.25 GHz Reference Clock Signal Transmitted over Optical Fibre for Applications such as the Square Kilometre Array (SKA)” Proceedings of the 2012 SATNAC Conference, George, Western Cape (Sept 2012)
  3. S. K. Fosuhene, T. B. Gibbon and A. W. R. Leitch “Single end measurement of polarization mode dispersion based on interferometry” Proceedings of the 2011 SATNAC Conference, East London Convention Centre (Sept 2011)
  4. K. M. Muguro, T.B. Gibbon, D. W. Waswa and A. W. R. Leitch “Impact of PMD on distributed Raman amplifiers using modern transmission fibres” Proceedings of the 2011 SATNAC Conference, East London Convention Centre (Sept 2011)
  5. S. K. Fosuhene, L. Palmieri, A. W. R. Leitch and A. Galtarossa “Single-end Reflectometric Measure of Differential Group Delay in Single Mode Fiber links” Proceedings of the 2010 SATNAC Conference, Spier Estate (Sept 2010)
  6. D. W. Waswa, V. Musara, L. Wu and A. W. R. Leitch "Compensation for polarization mode dispersion in multi-channel system" Proceedings of the 2010 SATNAC Conference, Spier Estate (Sept 2010)
  7. W. T. Ireeta, V. Musara, S. K. Fosuhene and A. W. R. Leitch "Determining the rate of PMD compensation in deployed aerial optical fibres through SOP monitoring" Proceedings of the 2010 SATNAC Conference, Spier Estate (Sept 2010)
  8. V. Musara, W. T. Ireeta, S. K. Fosuhene, L. Wu and A. W. R. Leitch "The influence of high First-order polarization mode dispersion sections on optical network system performance" Proceedings of the 2010 SATNAC Conference, Spier Estate (Sept 2010)
  9. K. M. Muguro, J. M. Changundega, A. W. R. Leitch and D. W. Waswa "Comparison of Gain statistics of different pumping configurations in distributed Fibre Raman Amplification" Proceedings of the 2010 SATNAC Conference, Spier Estate (Sept 2010)
  10. J. M. Changundega, K. M. Muguro and A. W. R. Leitch "Investigating depolarization of the Probe in a two channel Wavelength-Division-Multpiplexing system" Proceedings of the 2010 SATNAC Conference, Spier Estate (Sept 2010)  
  11. V. Musara, W. T. Ireeta, L. Wu and A. R. W. Leitch "Detecting the dominance of PMD from a fibre segment on an optical network system through state of polarization monitoring" Proceedings of the 2009 SATNAC Conference, Swaziland (Sept 2009)
  12. R. Gamatham, T. B. Gibbon and A. W. R. Leitch                                                             "Experimental demostration of an adaptive Poincare sphere analysis and the Fixed Analyzer polarization mode dispersion measurement techniques, Proceedings of the 2009 SATNAC Conference, Swaziland (Sept 2009) 
  13. G. Pelaelo L. Wu, V. Musara and A.W.R. Leitch
    "Impact of polarization dependent loss in the presence of polarization mode dispersion on the optical network"
    Proceedings of the 2008 SATNAC Conference, Wild Coast Sun (Sept 2008).
  14. J.M. Changundega D. Waswa, L. Wu, A.W.R. Leitch
    "Power Variation and Polarization State Evolution in a Two Channel WDM System"
    Proceedings of the 2008 SATNAC Conference, Wild Coast Sun (Sept 2008).
  15. R. Cigliutti M. Giltrelli , S. Santoni, A. Galtarossa, D. Grosso, L. Palmieri, L. Schenato, A.W.R. Leitch, D. Waswa
    "Optical Polarization Mode Dispersion Compensator for 40 Gbit/s NRZ and RZ systems"
    Proceedings of the 2008 SATNAC Conference, Wild Coast Sun (Sept 2008).
  16. V. Musara G. Pelaelo, L. Wu and A.W.R. Leitch
    "The impact of a high birefringence fibre section in an optical network system through emulation"
    Proceedings of the 2008 SATNAC Conference, Wild Coast Sun (Sept 2008).
  17. R.R.G. Gamatham, T.B. Gibbon, L. Wu and A.W.R. Leitch
    "Investigation of the Fixed Analyzer Technique for Polarization Mode Dispersion Measurements on Optical Fibres"
    Proceedings of the 2007 SATNAC Conference, Sugar Beach Resort, Mauritius (Sept 2007).
  18. D.W. Waswa, T.B. Gibbon, L. Wu and A.W.R. Leitch
    "Impact of Crosstalk on Polarization Mode Dispersion Compensators"
    Proceedings of the 2007 SATNAC Conference, Sugar Beach Resort, Mauritius (Sept 2007).
  19. A.E. Mudau, L. Wu, T.B. Gibbon and A.W.R. Leitch
    "PMD Measurements on Undeployed and Deployed Aerial Optical Fibre Cables Using the Interferometric Technique"
    Proceedings of the 2007 SATNAC Conference, Sugar Beach Resort, Mauritius (Sept 2007).
  20. S. Younsi, V. Musara, T.B. Gibbon, L. Wu, M. Zghal and A.W.R. Leitch
    "Frequency Domain Characterization of an Experimental and Simulated Polarization Mode Dispersion Emulator Design"
    Proceedings of the 2007 SATNAC Conference, Sugar Beach Resort, Mauritius (Sept 2007).
  21. L. Wu, V. Musara, M.C. Mangka and A.W.R. Leitch
    "Making reliable PMD measurements: The importance of polarization scrambling"
    Proceedings of the 2006 SATNAC conference, Spier Wine Estate (Sept 2006).
  22. D.W. Waswa, T.B. Gibbon and A.W.R. Leitch
    "Second-order PMD characterization of Optical Fibre using the Jones Matrix Eigenanalysis (JME) method"
    Proceedings of the 2006 SATNAC conference, Spier Wine Estate (Sept 2006).
  23. T.B. Gibbon, A.B. Conibear, A.W.R. Leitch
    "The design and operation of an optical post-transmission polarization mode dispersion compensator"
    Proceedings of the 2005 SATNAC conference, Champagne Sports Resort (Sept 2005).
  24. W. Erlank, D.G. Friskin, A.B. Conibear and A.W.R. Leitch
    "Determination of Confidence Intervals
    for PMD"
    Proceedings of the 2005 SATNAC conference, Champagne Sports Resort (Sept 2005).
  25. S. Mustapha, T.B. Gibbon, L. Wu, M. Zghal, A.B. Conibear and A.W.R Leitch
    "First order PMD compensator model for NRZ and RZ modulation formats at 10 Gb/s transmission"
    Proceedings of the 2005 SATNAC conference, Champagne Sports Resort (Sept 2005).
  26. T.B. Gibbon, A.B. Conibear, A.W.R. Leitch
    "PMD Compensation: Real-time monitoring of Differential Group Delay and Principal States of Polarization", Proceedings of the 2004 SATNAC conference, Spier Wine Estate, Western Cape (Sept 2004).
  27. J.F. Visser, N.A. Sibaya, T.B. Gibbon, A.B. Conibear, and A.W.R. Leitch
    "PMD and Polarization-OTDR measurements on an optical fibre-link"
    Proceedings of the 2004 SATNAC conference, Spier Wine Estate (Sept 2004).
  28. L. Viljoen, A.B. Conibear, A.W.R. Leitch
    "Temperature Dependence of Polarization Mode Dispersion"
    Proceedings of the 2004 SATNAC conference, Spier Wine Estate (Sept 2004).
  29. U. van Antwerpen, A.B. Conibear and A.W.R. Leitch
    "The effect of cabling on the PMD of an optical fibre"
    Proceedings of the 2003 SATNAC conference, Fancourt, Southern Cape, Vol. 2, pp. 191-194 (2003).
  30. J. Visser, M. Leblanc, R. Salmi, A.B. Conibear and A.W.R. Leitch
    "Locating bad PMD sections with an polarization-OTDR"
    Proceedings of the 2003 SATNAC conference, Fancourt, Southern Cape, Vol. 2, pp. 195-200 (2003).
  31. T.B. Gibbon, A.B. Conibear and A.W.R. Leitch
    "Polarization mode dispersion: single mode fibre emulation and characterization"
    Proceedings of the 2003 SATNAC conference, Fancourt, Southern Cape, Vol. 2, pp. 205-210 (2003).
  32. N.N. Sibaya, A.B. Conibear and A.W.R. Leitch
    "Stress-induced Mode Coupling in Optical Fibres"
    Proceedings of the 2003 SATNAC conference, Fancourt, Southern Cape, Vol. 2, pp. 277-279 (2003).
  33. T.B. Gibbon, A.B. Conibear and A.W.R. Leitch
    "PMD measurements using a cross-correlation interferometric technique"
    Proceedings of the 2002 SATNAC conference, Drakensberg (Sept 2002).
  34. U van Antwerpen, A.B. Conibear and A.W.R. Leitch
    "On the variability of polarization mode dispersion data"
    Proceedings of the 2002 SATNAC conference, Drakensberg (2002).
  35. A.W.R. Leitch, A.B. Conibear, R.E. Kroon and H. Coetzer
    "Polarisation Mode Dispersion: a limiting factor of transmission rates through an optical fibre"
    Proceedings of the 2001 SATNAC conference, Wild Coast Sun (Sept 2001).