Publications

Journal Articles

       2022:

  1. RS Karembera, K Nfanyana, GM Isoe, TB Gibbon, “Experimental investigation of VCSEL-based optical heterodyning with PAM 4 and envelop detection for 5G fronthaul systems", Journal of Modern Optics, vol. 69(2), pp. 72-81, 2022. 

  2. J Jena, S Wassin, TB Gibbon, “Dynamics of a bouncing table tennis ball from the acoustic signature using an optical fibre sensor", European Journal of Physics, vol 43(2), 025001. (11 pages), 2022.

  3. D Crichton, et al., TB Gibbon, et al. “The Hydrogen Intensity and Real-time Analysis eXperiment: 256-Element Array Status and Overview", Journal of Astronomical Telescopes, Instruments, and Systems, vol 8(1), 011019, 2022.

     

      2021:

  1. Reinhard Karembera, Ketshabile Nfanyana, Tim Gibbon, “Simultaneous transmission of clock and data signals in photonic-assisted WDM passive optical networks”, J. Opt. Soc. Am. B, vol. 38, Issue 2, pp. 914-921, 2021.
  2. Reinhard Karembera, Tim Gibbon, “Effects of optical local oscillator power on the network bit error rate in optical heterodyning of comb lines from a gain-switched VCSEL comb”, Optics & Laser Technology, vol. 139, pp. 106-955, 2021.
  3. Reinhard Karembera, Tim Gibbon, “Coherent 16-QAM bidirectional fiber-wireless hybrid access network with optimal use of the optical local oscillator signal”, Optics Communications, vol. 501, pp. 127367, 2021.
  4. R.S. Karembera, K Nfanyana, GM Isoe, TB Gibbon, “Experimental Investigation of VCSEL-based Optical Heterodyning with PAM 4 and Envelop Detection for 5G Fronthaul Systems”,  Journal of Modern Optics, 2021.

 

      2020:

  1. DM Osiemo, DW Waswa, KM Muguro, GM Isoe, TB Gibbon, AWR Leitch, “Modulated Raman Pump for Integrated VCSEL-based Reach Enhancement and Clock Tone Dissemination in optical Communication”, Optics Communications, vol. 459, pp. 124993, 2020.
  2. GM Isoe, RS Karembera, TB Gibbon, “Advanced VCSEL photonics: Multi-level PAM for spectral efficient 5G wireless transport network", Optics Communications, vol. 461, pp. 125273, 2020.
  3. GM Isoe, TB Gibbon, “Real-time wavelength routing based on Bragg reflection with integrated forward Raman for long-reach networks”, Optoelectronics Letters, vol. 16, pp. 40-44, 2020.
  4. S Wassin, TB Gibbon, “A proposed optical frequency synchronization system for the South African MeerKAT radio telescope”, Optical Fiber Technology, vol. 15, pp. 102164, 2020.
  5. GM Isoe, TB Gibbon, “Inherent EDFA cross-gain functionality for 17 Gbit/s PAM-3 all-optical wavelength reuse PON”, Optoelectronics Letters, vol. 16(2), pp. 122-125, 2020.
  6. GM Isoe, J Jena, RPM Julie, FB Kapp “Distributed SOP tracking fault detection technique for MeerKAT radio telescope array sub-metre single mode fibre link health monitoring”, Optics Communication, vol. 466, pp. 125673, 2020.
  7. J Jena, S Wassin, L Bezuidenhout, M Doucoure’, TB Gibbon, “Polarization-based optical fibre acoustic sensor for geological applications”, Journal of the Optical Society of America B, vol. 37 (11), pp. A147-A153, 2020.
  8. S Wassin, K Leburu, G Isoe, TB Gibbon, “Development of ultrastable fibre-optic time and frequency reference networks in Africa”, Journal of the Optical Society of America A, vol. 37 (11), pp. C57-C66, 2020.
  9. K Nfanyana, S Wassin, R Karembera, J Jena, TB Gibbon, “All-photonic 20-MHz clock for latency monitoring in a 5G network at 10 Gbps over optical fiber”, Journal of the Optical Society of America B, vol. 37 (11), pp. A202-A206, 2020.
  10. DM Osiemo, DW Waswa, KM Muguro, GM Isoe, TB Gibbon, AWR Leitch, “Frequency stability characterization: DFB laser and Raman pump performance on a distributed clock signal over 24.69 km fiber”, Journal of the Optical Society of America A, vol. 37 (11), pp. C95-C102, 2020.
  11.  R Karembera, S Wassin, G Isoe, K Nfanyana, TB Gibbon, “All-optical flexible 5G signal generation and transmission for spectrum resource optimization”, Journal of the Optical Society of America B, vol. 37 (11), pp. A324-A330, 2020.
  12. R Karembera, C Censur, TB Gibbon, “A sub-60-GHz Power-efficient Fronthaul System Up to 16-Gbps Using RF Carriers Generated from a Gain-switched VCSEL”, OSA Continuum Journal (OSA), vol. 3 (12), pp. 3482-3496, 2020.

 

      2019:

  1. D. Kiboi Boiyo, E.K. Rotich Kipnoo, T.B. Gibbon, “An integrated OADM based on Bragg trans-reflectance in 1550 nm VCSEL optical fibre access networks”, OPTIK, vol. 178, pp. 478-482, 2019.
  2. GM Isoe, AWR Leitch, TB Gibbon, “Maximizing capacity, flexibility and efficiency in G-PON networks using VCSEL-based OOK and 2/4-PAM formats”, Journal of Modern Optics, vol. 66(7), pp. 477-452, 2019.
  3. GM Isoe, AWR Leitch, TB Gibbon, “Simultaneous 45.2 Gbit/s 4-PAM data and 8 GHz reference frequency clock signal transmission over DWDM VCSEL channels for optical interconnects”, Optoelectronics Letters, vol. 15(1), pp. 48-51, 2019. 
  4. S Wassin, GM Isoe, AWR Leitch, TB Gibbon, "All-optical wavelength reservation for flexible spectrum networks using amplifier saturation and VCSEL injection," Optical Engineering 58(4), 046110, April 2019.
  5. GM Isoe, S Wassin, EK Rotich, AWR Leitch, TB Gibbon, “VCSEL-based Broadband Wavelength Converter for Ultra-Wideband Flexible Spectrum Data Routing in Optical Interconnects," Optical Fiber Technology, vol. 51, pp. 107-111, 2019. 
  6. S Wassin, GM Isoe, AWR Leitch, TB Gibbon, "Transmission of precise phase coherent optical signals using a VCSEL stabilization system," Optoelectronic Letters, vol. 15(3), pp. 0200-0203, 2019. 
  7. GM Isoe, EK Rotich, DK Boiyo, S Wassin, AWR Leitch, TB Gibbon, “All-optical wavelength reuse with simultaneous upstream data and PPS timing signal transfer for flexible optical access networks," Journal of Modern Optics, vol. 66(12), pp. 1305-1310, 2019. 
  8. PP Dlamini, GM Isoe, D Kiboi Boiyo, AWR Leitch, TB Gibbon, "All-Optical VCSEL-to-VCSEL Injection Based on Cross Gain Modulation for Routing in Multinode Flexible Spectrum Optimization in Optical Fibre Transmission Links," International Journal of Optics, vol. 2019, Article ID 2987652, 11 pages, 2019.
  9. GM Isoe, PP Dlamini, T.B. Gibbon, “Real-time wavelength reuse based on Bragg trans-reflection for dynamic reference frequency and data transfer in Datacom," Journal of Modern Optics, vol. 66(16), pp. 1631-1636, 2019.
  10. GM Isoe, DK Boiyo, TB Gibbon, “Dynamic O-band to C-band wideband wavelength converter for integrated VCSEL-based optical interconnects," Journal of Modern Optics, vol. 66(16), pp. 1637-1643, 2019. 
  11. GM Isoe, AWR Leitch, TB Gibbon, “Real-time 850 nm multimode VCSEL to 1550 nm single mode VCSEL data routing for optical interconnects," Optoelectronics Letters, vol. 15(4), pp. 297-301, 2019.
  12. GM Isoe, EK Rotich, TB Gibbon, “VCSEL-based Raman technology for extended reach time and reference frequency transfer systems," Optoelectronics Letters, vol. 15(2), pp. 139-143, 2019.
  13. GM Isoe, DK Boiyo, EK Rotich, DM Osiemo, TB Gibbon, “Integrated extended reach VCSEL Interconnect with 8.5 Gbps data modulated forward Raman pump signals", Journal of Modern Optics, vol. 66(19), pp. 1913-1919, 2019.
  14. GM Isoe, D Osiemo, DK Boiyo, EK Rotich, TB Gibbon, “Ultra-fast Optical Switch with Reconfigurable Wavelength Reuse Functionality for Dynamic Flexible Spectrum Networks", Journal of Modern Optics, vol. 66(20), pp. 1973-1978, 2019.
  15. D Kiboi Boiyo, GM Isoe, EK Kipnoo, TB Gibbon, “Bidirectional and Wavelength Unrestricted Conversion for Long–haul and Data Centre VCSEL Optical Fibre Interconnects”, Journal of Modern Optics, vol. 66(20), pp. 1979-1983, 2019.
  16. GM Isoe, S Wassin, TB Gibbon, "VCSEL Wavelength Reuse for Intrinsically Bidirectional Data Traffics in Next Generation GPONs", Optoelectronics Letters, vol. 15(5) pp. 360-362, 2019.
  17. EK Rotich, GM Isoe, D Kiboi Boiyo, S Kuja, DW Waswa, TB Gibbon, AWR Leitch, “All Optical Polarization-Based and DSP-Assisted Distributed Fiber Sensor for Earth Mass Movements Caused by Environmental Factors”, International Journal of Light and Electron Optics, vol. 206, pp. 163691, 2019.
  18.  GM Isoe, S Wassin, EK Rotich Kipnoo, AWR Leitch, TB Gibbon, “VCSEL-based Differential Modulation Technique for High-speed Gigabit Passive Optical Networks”, Journal of Modern Optics vol. 66(4), pp. 419-423, 2019.
  19. GK Yegon, DW Waswa, GM Isoe, Arusei GK Kipkorir, RS Kipkoske, TB Gibbon, AWR Leitch, “20 Gbps Pulse Amplitude Modulation (PAM) Format for Capacity Upgrade in Optical Communications”, American Journal of Optics and Photonics, vol. 7(2), pp. 41-45, 2019.

 

      2018:

  1. E. Nabadda, W.T. Ireeta, T.B. Gibbon, "Angular Displacement and SOP Speeds in Aerial and Buried Single Mode and Polarisation Maintaining Fibers", Optik, vol. 168, pp. 77-85, 2018.
  2. S. Wassin, G.M. Isoe, R. Gamatham, A.W.R. Leitch, and T.B. Gibbon, "Application of VCSELs in Next-generation Telescope Array Networks such as the Square Kilometre Array", Optics & Laser Technology, vol. 105, pp. 66-75, 2018.
  3. D. Kiboi Boiyo, T.B. Gibbon, E.K. Rotich Kipnoo, “A VCSEL-based Backbone Extended-Reach Optical Fibre Network: Supporting up to 10Gbps Flexible Access Networks for Africa", Optical Fiber Technology, vol. 43, pp. 126-130, 3, 2018.
  4. GM Isoe, AWR Leitch, TB Gibbon, “VCSEL Polarization Modulation for Pulse-Per-Second Clock Signal Transfer in Optical Frequency Distribution Systems”, Optoelectronics Letters, vol. 14 (5), pp. 376-379, 2018.
  5. GM Isoe, S Wassin, TB Gibbon, “'Multicast-Enabled High-Speed VCSEL Technology for Flexible Data Centre Networks”, Optoelectronics Letters, vol. 14(6), pp. 438-441, 2018.
  6. G.M. Isoe, S. Wassin, R. Gamatham, A.W.R. Leitch, and T.B. Gibbon, "60 Gbps 4-PAM VCSEL-based Raman Assisted Hyper-Scale Data Centre: In Context of Spectral Efficiency and Reach Extension", Optics Communications, vol. 428, pp. 164-168, 2018.

 

      2017:

  1. G. M. Isoe, S. Wassin, R. Gamatham, A. Leitch, and T. Gibbon, "Capacity upgrade in short-reach optical fibre networks: simultaneous 4-PAM 20 Gbps data and polarization-modulated PPS clock signal using a single VCSEL carrier", Journal of Modern Optics, vol. 64, (20), pp. 2245-2254, 2017.
  2. G. M. Isoe, S. Wassin, R. R. G. Gamatham, A. W. R. Leitch, and T. B. Gibbon, “A high capacity data Centre network: Simultaneous 4-PAM data at 20 Gbps and 2 GHz phase modulated RF clock signal over a single VCSEL carrier”, Journal of Modern Optics, vol. 64, (21), pp. 2336-2344, 2017.
  3. E. K. Rotich Kipnoo, D. Kiboi Boiyo, G. M. Isoe, T. V. Chabata, R. R. G. Gamatham, A. W. R. Leitch, T.B. Gibbon, "Demonstration of Raman-based, dispersion-managed VCSEL technology for fibre-to-the-hut application", Optical Fiber Technology, vol. 34, pp. 1-5, 3, 2017.
  4. D. Kiboi Boiyo, T. V. Chabata, E. K. Rotich Kipnoo, R. R. G. Gamatham, A.W.R. Leitch, T.B. Gibbon, "Reconfigurable high-speed optical fibre networks: Optical wavelength conversion and switching using VCSELs to eliminate channel collisions", Optical Fiber Technology, vol. 33, pp. 30-35, 2017.
  5. D. Kiboi Boiyo, E. K. Rotich Kipnoo, R. R. G. Gamatham, A.W.R. Leitch, T.B. Gibbon, "A signal impairment-aware scheme for next-gen flexible spectrum in 10 Gb/s metro-access optical fibre networks", Optical Switching and Networking, vol. 25, pp. 57-62, 2017.
  6. Gravett, A.S., du Plessis, M.C. & Gibbon, T.B., “A distributed ant-based algorithm for routing and wavelength assignment in an optical burst switching flexible spectrum network with transmission impairments”, Photonic Network Communications, 34(3), pp. 375-395, 2017.
  7. Enoch K. Rotich Kipnoo, Romeo R.G. Gamatham, Andrew W.R. Leitch, Timothy B. Gibbon, Sias Malan, Henno Kriel,; Francois Kapp, ”MeerKAT time and frequency reference optical network: Preliminary design analysis”, South African Journal of Science, vol.113 n.5-6 Pretoria May./Jun. 2017
  8. K. Grainge, B. Alachkar, Shaun Amy, D. Barbosa, M. Bommineni, P. Boven, R. Braddock, J. Davis, P. Diwakar, V. Francis, R. Gabrielczyk, R. Gamatham, S. Garrington, T. Gibbon, D. Gozzar et al. "Square Kilometre Array: The radio telescope of the XXI century", Astronomy Reports, vol. 61, issue 4, pp.288-296, April 2017
  9. Enoch K. Rotich Kipnoo, Romeo R. G. Gamatham, Andrew W. R. Leitch, and Tim B. Gibbon, "Simultaneous Signal Amplification and Clock Distribution Employing Backward Raman Pump over an Optical Fibre for Applications such as Square Kilometre Array", J. of Astron. Instrum. Vol. 06, Issue 03, 1750005 (1-6), Sept. 2017.
  10. E. K. Rotich Kipnoo, R.R.G. Gamatham, A.W.R. Leitch, T.B. Gibbon, R. Julie, R. Siebrits, S. Malan, H. Kriel and F. Kapp, "Polarization effects in KAT-7 telescope optical fibre network: Towards the distribution of frequency and timing references in the MeerKAT telescope", Elsevier Optik - International Journal for Light and Electron Optics, Volume 138, June 2017, Pages 50–54.

 

International Conferences

     2021:   

  1. F Du Plessis, MC Du Plessis, T Gibbon, “Ant colony optimization on an OBS network with link cost and impairments”, Advances in Intelligent Systems and Computing”, 1181 AISC, pp. 456–465, 2021.

     2020:

  1. J Jena, S Wassin,  L Bezuidenhout, M Doucouré, T Gibbon, "Polarisation Based Interferometric Optical Fibre Geophone Sensor Designed for High Resolution Seismic Detection", EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-4991, 2020.
  2. F du Plessis, MC du Plessis, TB Gibbon, “Ant colony Optimization on an OBS Network with Link and Cost Impairments”, Advances in Intelligent Systems and Computing (AISC) Conference, p456-465, 2020.

    2019:

  1. GM Isoe, S Wassin, AWR Leitch TB Gibbon, “VCSEL-based Broadband Optical-Switch for Ultra-Wide High-Speed Traffic Routing in Datacom”, Photonic West SPIE OPTO Conference, San Francisco, California, United States, 2-7 February 2019.
  2. S Wassin, GM Isoe, AWR Leitch TB Gibbon, “All-Optical Wavelength Reservation for Flexible Spectrum Networks using Amplifier Saturation and VCSEL Injection”, Photonic West SPIE OPTO Conference, San Francisco, California, United States, 2-7 February 2019.
  3. PP Dlamini, GM Isoe, AWR Leitch TB Gibbon, “Cascaded VSCEL-VCSEL All-optical Injection for Spectral Defragmentation and Switching as a Function of Optical Transmitter Polarization Switching”, Photonic West SPIE OPTO Conference, San Francisco, California, United States, 2-7 February 2019.
  4. FH Du Plessis, MC Du Plessis, and TB Gibbon, “Analysis of Ant Colony Optimization on a Dynamically Changing Optical Burst Switched Network With Impairments,” 3rd International Conference on Intelligent Systems, Metaheuristics Swarm Intelligence (ISMSI2019), Maldives, 23–24 March 2019.
  5. FH Du Plessis, MC Du Plessis, and TB Gibbon, “Ant Colony Optimization On An OBS Network with Link Cost And Impairments”, 19th International Conference on Intelligent Systems Designs and Applications (ISDA), Maldives, 3-5 December, Pretoria, South Africa 2019.

      2018:

  1. R. Siebrits, J.P. Burger, G. Adams, R. Gamatham, F. Kapp, T. Abbott, S. Malan, E. Bauermeister, L. Boyana, H. Kriel, M. Welz, N. Mnyandu, A. J. Otto, C. van der Merwe, S. Tshongweni, T Gibbon, "Dissemination of Reference Signals for a Next Generation Radio Telescope", 2018 IEEE International Frequency Control Symposium, California, USA, 21-24 May 2018.
  2. Shukree Wassin, Peter Freere and Tim Gibbon, “Polarization Based Optical Fibre Sensor for Real-time Vibration Monitoring in Renewable Energy Wind Turbines”, 26th International Conference on Optical Fibre Sensors (OFS-26), Lausanne, Switzerland, 24-28 September, 2018.

      2017:

  1. G. M. Isoe, S. Wassin, R. R. G. Gamatham, A. W. R. Leitch, and T. B. Gibbon, "Simultaneous 10 Gbps data and polarization-based pulse-per-second clock transmission using a single VCSEL for high-speed optical fibre access networks", Proc. SPIE 10129, Optical Metro Networks and Short-Haul Systems IX, 101290F (January 28, 2017), pp. 101290F-101290F-12.
  2. S. Wassin, G. M. Isoe, R. R. G. Gamatham, A. W. R. Leitch, and T. B. Gibbon, "Highly accurate pulse-per-second timing distribution over optical fibre network using VCSEL side-mode injection", Proc. SPIE. 10129, Optical Metro Networks and Short-Haul Systems IX, 101290G. (January 28, 2017), pp. 101290G-101290G-12.
  3. Joshua Oladipo, Mathys C. duPlessis, Timothy B. Gibbon, “Implementation and Validation of an Omnet++ Optical Burst Switching Simulator”, 6th International Conference on Performance Evaluation and Modeling in Wired and Wireless Networks (PEMWN 2017), Paris, November 28-30, 2017.  

 

South African Telecommunication Networks and Applications Conference (SATNAC):

 2022: 

  1. J Welgemoed, R Phillips, T van Niekerk, TB Gibbon, “Autonomous Mobile Robots for Network Maintenance and Inspection in the Telecommunication Industry”, Proceedings of Southern African Telecommunication Networks and Application Conference (SATNAC), George, South Africa, 28-31 August 2022, accepted for publication. 
  2. R Karembera, J Jena, TB Gibbon, “Towards clock and data communication for underwater robotic geodesy studies”, Proceedings of Southern African Telecommunication Networks and Application Conference (SATNAC), George, South Africa, 28-31 August 2022, accepted for publication.
  3. E Jegede, TB Gibbon, T van Niekerk, “Phased Array Downlink Beamforming for Open-Loop Tracking in Marine Robotic Communication”, Proceedings of Southern African Telecommunication Networks and Application Conference (SATNAC), George, South Africa, 28-31 August 2022, accepted for publication.
  4. J Jena, G Mahed, M Doucoure, TB Gibbon, “Optical fibre acoustic sensor and monitoring algorithm for early warning sinkhole detection and monitoring of geological hazards”, Proceedings of Southern African Telecommunication Networks and Application Conference (SATNAC), George, South Africa, 28-31 August 2022, accepted for publication.

 

  2021:  

  1. V Shumane, J Jena, R Karembera, S Wassin, AWR Leitch, TB Gibbon, “Multimode Optical Fibre for Converged Vibration Sensing and 10 Gbps Photonic Data with 1.7 GHz Wireless Transmission for Mining Applications”, Proceedings of Southern African Telecommunication Networks and Application Conference (SATNAC), Kwa-Zulu Natal, South Africa, 20-23 November 2021, pp. 328-332.   

   2019:

  1. H Cherutoi, D Waswa, K Muguro, G Isoe, S Wassin, AWR Leitch, TB Gibbon, “10 Gb/s 1310 nm VCSEL Transmission over Standard G.655 and G.652 Fibres,” Proceedings of Southern African Telecommunication Networks and Application Conference (SATNAC), Kwa-Zulu Natal, South Africa (1-4 September 2019), pp. 152-156.
  2. P Dlamini, G Isoe, K Gratten, AWR Leitch, TB Gibbon, “Fibre Bragg Grating Based All Optical OADM for Flexible Spectrum Channel Reservation to Minimize Optical Crosstalk in WDM Optical Communication Networks,” Proceedings of Southern African Telecommunication Networks and Application Conference (SATNAC), Kwa-Zulu Natal, South Africa (1-4 September 2019), pp. 158-163.
  3. S Wassin, G Isoe, AWR Leitch, TB Gibbon, “Multimode VCSEL Based Networks for Modern Data Centres,” Proceedings of Southern African Telecommunication Networks and Application Conference (SATNAC), Kwa-Zulu Natal, South Africa (1-4 September 2019), pp. 180-183.
  4. M Ngugi, S Wassin, P Freere, TB Gibbon, “Design of a Polarisation Based Optical Fibre Sensor for Vibration Monitoring of a Wind Turbine Tower,” Proceedings of Southern African Telecommunication Networks and Application Conference (SATNAC), Kwa-Zulu Natal, South Africa (1-4 September 2019), pp. 406-410.
  5. R Karembera, S Wassin, J Jena, G Isoe, TB Gibbon, “Flexible Photonic-based RF Signals Generation and Data Modulation for Emerging 5GWireless Communication,” Proceedings of Southern African Telecommunication Networks and Application Conference (SATNAC), Kwa-Zulu Natal, South Africa (1-4 September 2019), pp. 2-3. [Work in Progress Paper]
  6. K Nfanyana, S Wassin, TB Gibbon, “Coherent Detection of Data and Timing Signals over Optical Fibre for Telecommunications,” Proceedings of Southern African Telecommunication Networks and Application Conference (SATNAC), Kwa-Zulu Natal, South Africa (1-4 September 2019), pp. 24-25. [Work in Progress Paper]
  7. J Jena, S Wassin, TB Gibbon, “Flexible Smart Optical Fiber Sensor Development for Multiple Variable Parameter Detection,” Proceedings of Southern African Telecommunication Networks and Application Conference (SATNAC), Kwa-Zulu Natal, South Africa (1-4 September 2019), pp. 26-27. [Work in Progress Paper]

      2018:

  1. GM Isoe, S Wassin, AWR Leitch, TB Gibbon, “First real-time 850 nm Multimode VCSEL to 1550 nm Single Mode VCSEL Wavelength Switching for Data Centre Interconnects”, Proceedings of Southern African Telecommunication Networks and Application Conference (SATNAC), Hermanus, South Africa (2-5 September 2018), pp. 150-154.  [Award for Best Paper at the Conference].
  2. P Dlamini, G Isoe, RRG Gamatham, AWR Leitch, TB Gibbon, “VCSEL-based Wavelength Allocation and Defragmentation Technique for Next-Generation Flexible Spectrum Networks”, Proceedings of Southern African Telecommunication Networks and Application Conference (SATNAC), Hermanus, South Africa (2-5 September 2018), pp. 98-103. 
  3. H Cherutoi, D Waswa, K Muguro, GM Isoe, AWR Leitch, TB Gibbon, “10 Gb/s 1310 nm VCSEL Transmissions Over Standard G.652 Fibre For Gigabit-PON”, Proceedings of Southern African Telecommunication Networks and Application Conference (SATNAC), Hermanus, South Africa (2-5 September 2018), pp. 38-42. 
  4. M Ngugi, S Wassin, GM Isoe, P Freere, TB Gibbon, “Polarisation Based Optical Fibre Sensor for Structural Health Monitoring of Wind Turbines”, Proceedings of Southern African Telecommunication Networks and Application Conference (SATNAC), Hermanus, South Africa (2-5 September 2018), pp. 66-67. [Work In Progress Paper]

      2017:

  1. S. Wassin, G. M. Isoe, R. R. G. Gamatham, A. W. R. Leitch, and T. B. Gibbon, “Fibre-Based Time and Frequency Distribution using a DFB Phase Error Correction Actuator”, The annual 2017 Southern African Telecommunication Networks and Application Conference (SATNAC) 3rd – 10th September 2017 on the Freedom of the Seas Cruise Liner, Royal Caribbean International, Barcelona, Spain, pp. 154-157.
  2. G. M. Isoe, S. Wassin, R. R. G. Gamatham, A. W. R. Leitch, and T. B. Gibbon, "High Capacity Data Centre Network: Simultaneous 4-PAM Data at 20 Gbps and 2 GHz Phase Modulated RF Clock Signal over a Single VCSEL Carrier”, The annual 2017 Southern African Telecommunication Networks and Application Conference (SATNAC) 3rd – 10th September 2017 on the Freedom of the Seas Cruise Liner, Royal Caribbean International, Barcelona, Spain, pp. 148-153.
  3. P.P. Dlamini, R.R.G. Gamatham, A.W.R. Leitch, and T.B. Gibbon, "Stability Budget of Optical Clock Signal Stability Transmitted over Single Mode Optical Fibre”, The annual 2017 Southern African Telecommunication Networks and Application Conference (SATNAC) 3rd – 10th September 2017 on the Freedom of the Seas Cruise Liner, Royal Caribbean International, Barcelona, Spain.

 

Southern African Institute of Physics (SAIP) Conference

      2018:

  1. PP Dlamini, GM Isoe, RRG Gamatham, AWR Leitch, TB Gibbon, "Spectral Resource Management based on VCSEL Wavelength Switching and Allocation”, 63rd Annual Conference of the South Africa Institute of Physics (SAIP), University of Free State, 25-29 June 2018.
  2. GM Isoe, S Wassin, RRG Gamatham, AWR Leitch, TB Gibbon, "Directly Modulated 850 nm Multimode VCSEL Performance Analysis for Short Reach Optical Communications”, 63rd Annual Conference of the South Africa Institute of Physics (SAIP), University of Free State, 25-29 June 2018.

      2017:

  1. S Wassin, AWR Leitch, TB Gibbon, "Real-time Vibration Sensing in Renewable Energy Wind Turbine Blades using a Polarization Based Optical Fibre Device”, 63rd Annual Conference of the South Africa Institute of Physics (SAIP), University of Free State, 25-29 June 2018.
  2. P.P. Dlamini, R.R.G. Gamatham, T.B. Gibbon and A.W.R. Leitch, "Short-Term Stability of RF Clock Signal Distribution System Over Different Optical Fibres”, the 62nd annual conference of the South Africa Institute of Physics (SAIP), Stellenbosch University, 3rd – 7th July 2017.
  3. S. Wassin, G. M. Isoe, R. R. G. Gamatham, A. W. R. Leitch, and T. B. Gibbon, "Towards the Development of VCSEL-Based Time and Frequency Dissemination System using a DFB Phase Error Correction Actuator for the SKA”, the 62nd annual conference of the South Africa Institute of Physics (SAIP), Stellenbosch University, 3rd – 7th July 2017.
  4. G. M. Isoe, S. Wassin, R. R. G. Gamatham, A. W. R. Leitch, and T. B. Gibbon, "Transmission performance of 10 Gbps OOK, 15 Gbps 2-PAM and 20 Gbps 4-PAM data signals over 11 km using a 1310 nm VCSEL”, the 62nd annual conference of the South Africa Institute of Physics (SAIP), Stellenbosch University, 3rd – 7th July 2017.      

 

Outputs without refereed conference proceedings

       2019:     

  1. TB Gibbon, “Fibre-to-the-Hut: Advanced Telecommunication for Africa”, Workshop on Photonics & Sensors, City University of London, United Kingdom, 27-78 June 2019.
  2. TB Gibbon, DW Waswa, W Ireeta, TV Chabata,  “Optical Communication and Sensors for Africa”, 12th African Laser Centre Student Conference, Stellenbosch, 20-23 Nov 2019.
  3. M Ngugi, S Wassin, P Freere, TB Gibbon,  “Design of an Optical Fibre Sensor for Vibration Monitoring of a Wind Turbine Tower”, 12th African Laser Centre Student Conference, Stellenbosch, 20-23 Nov 2019. [Best Paper Award for MSc Category]  
  4. P. Dlamini, T.B. Gibbon,  “Reconfigurable Add/ Drop Multiplexer for Channel Reservation for Flexible Spectrum Networks in the SKA”, SKA Student Conference, Durban, 2-6 Dec 2019.
  5. K. Nfanyana, T.B. Gibbon,  “Coherent Detection of Timing and Data Signals over Optical Fibre for Telescope Networks”, SKA Student Conference, Durban, 2-6 Dec 2019.
  6. R. Karembera, T.B. Gibbon,  “Flexible Photonic-based Generation of 5G RF Carriers to Co-Exist with SKA Frequency Spectrum”, SKA Student Conference, Durban, 2-6 Dec 2019.

      2018:

  1. PP Dlamini, GM Isoe, RRG Gamatham, AWR. Leitch, and TB Gibbon,  “VCSEL-based Flexible Spectrum Optical Network for the Square Kilometre Array Project”, SKA Student Conference, Port Elizabeth, 27 Nov -1 Dec 2018.

      2017:

  1. P. Dlamini, R.R.G. Gamatham, A.W.R. Leitch, and T.B. Gibbon,  “Ant Colony Optimization for IPoDWDM Flexible Spectrum Optical Fibre Networks”, SKA Student Conference, Cape Town, 27 Nov -1 Dec 2017.
  2. G.M. Isoe, R.R.G. Gamatham, A.W.R. Leitch, and T.B. Gibbon,  “Capacity, flexibility and carrier efficiency upgrade for next-generation optical communication networks”, SKA Student Conference, Cape Town, 27 Nov -1 Dec 2017.
  3. S. Wassin, R.R.G. Gamatham, A.W.R. Leitch, and T.B. Gibbon,  “VCSEL-based time and frequency dissemination across optical fibre”, SKA Student Conference, Cape Town, 27 Nov -1 Dec 2017.