Research Portal

Dr Roger Giddings

Senior Lecturer in Optical Communications & DSP

Affiliations

ORCID: 0000-0002-2111-5830
1 - 25 out of 125Page size: 25
  1. 2024
  2. Accepted/In press
  3. 2023
  4. Accepted/In press

    Experimental Demonstration of Soft-ROADMs with Dual-Arm Drop Elements for Future Optical-Wireless Converged Access Networks

    Gonem, O., Giddings, R. & Tang, J., 25 Oct 2023, (Accepted/In press) In: Journal of Lightwave Technology. 13 p., JLT-32905-2023.R1 .

    Research output: Contribution to journal › Article › peer-review

  5. Published

    A Point-to-multipoint Flexible Transceiver for Inherently Hub-and-Spoke IMDD Optical Access Networks

    Chen, L., Jin, W., He, J., Giddings, R., Huang, Y. & Tang, J., 15 Jul 2023, In: Journal of Lightwave Technology. 41, 14, p. 4743-4754 12 p.

    Research output: Contribution to journal › Article › peer-review

  6. Published

    Adaptive Hybrid Iterative Linearization Algorithms for IM/DD Optical Transmission Systems

    Hu, S., Zhang, J., Tang, J., Jin, T., Lin, H., Jin, W., Yu, Z., Giddings, R. & Qiu, K., 15 Jul 2023, In: Journal of Lightwave Technology. 41, 14, p. 4644-4654 11 p.

    Research output: Contribution to journal › Article › peer-review

  7. Published

    A point-to-multipoint flexible transceiver for inherently hub-and-spoke optical access networks

    Chen, L., Jin, W., He, J., Giddings, R., Huang, Y. & Tang, J., Jul 2023.

    Research output: Contribution to conference › Paper › peer-review

  8. Published

    Drop Signal Phase Offset Independent Soft-ROADMs for Point-to-Multipoint 5G Fronthauls

    Giddings, R., Gonem, O. & Tang, J., Jul 2023, p. 1-6. 6 p.

    Research output: Contribution to conference › Paper › peer-review

  9. Published

    Low-complexity modulation format identification based on am- 2 plitude histogram distributions for digital coherent receivers

    Hao, M., Jiang, X., Xiong, X., Giddings, R., He, W. & Tang, J., 20 Apr 2023, In: Photonics.

    Research output: Contribution to journal › Article › peer-review

  10. Published

    Real-Time Demonstration of Concurrent Upstream and Inter-ONU Communications in Hybrid OFDM DFMA PONs

    Giddings, R., Tyagi, T. & Tang, J., 1 Feb 2023, In: IEEE Photonics Technology Letters. 35, 3, p. 148 - 151 4 p.

    Research output: Contribution to journal › Article › peer-review

  11. 2022
  12. Published

    Real-time experimental demonstration of a computationally efficient hybrid OFDM DFMA PON

    Giddings, R., Tyagi, T. & Tang, J., Dec 2022, In: Optical Fiber Technology. 74, 26 p., 103106.

    Research output: Contribution to journal › Article › peer-review

  13. Published

    DSP-Based Physical Layer Security for Coherent Optical Communication Systems

    Giddings, R., He, J., Tang, J. & Jin, W., Oct 2022, In: IEEE Photonics Journal. 14, 5

    Research output: Contribution to journal › Article › peer-review

  14. Published

    Error-Controlled Iterative Algorithms for Digital Linearization of IMDD-based Optical Fibre Transmission Systems

    Jin, X., Jin, W., Zhong, Z., Jiang, S., Raibhjandari, S., Hong, Y., Giddings, R. & Tang, J., 18 Jul 2022, In: Journal of Lightwave Technology.

    Research output: Contribution to journal › Article › peer-review

  15. Published

    Rectangular Orthogonal Digital Filter Banks Based on Extended Gaussian Functions

    Jin, W., Zhong, Z., Jiang, S., He, J., Chang, D., Hong, Y., Giddings, R., Jin, X., O'Sullivan, M., Durrant, T., Trewem, J., Mariani, G. & Tang, J., 15 Jun 2022, In: Journal of Lightwave Technology. 40, 12, p. 3709-3722

    Research output: Contribution to journal › Article › peer-review

  16. Published

    112-Gb/s PAM-4 IM/DD Optical Transmission over 100-km Single Mode Fiber with Linear Equalizer

    Hu, S., Zhang, J., Tang, J., Liu, Q., Jin, W., Zhong, Z., Giddings, R., Shao, J., Jin, T., Zhao, X., Xu, B., Gao, X. & Qiu, K., 13 Apr 2022, 2022 Optical Fiber Communications Conference and Exhibition (OFC). IEEE

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  17. Published

    Multi-Constraint Gerchberg-Saxton Iteration Algorithms for Linearizing IM/DD Transmission Systems

    Hu, S., Zhang, J., Tang, J., Jin, T., Jin, W., Liu, Q., Zhong, Z., Giddings, R., Hong, Y., Xu, B., Yi, X. & Qiu, K., 14 Mar 2022, In: Optics Express. 30, 6, p. 10019-10031 13 p.

    Research output: Contribution to journal › Article › peer-review

  18. Published

    Improvement in Convergence Rate and Power Penalty with an Error-Controlled Iterative Algorithm in IMDD Systems

    Jin, X., Jin, W., Zhong, Z., Jiang, S., Rajbhandari, S., Hong, Y., Giddings, R. & Tang, J., 2022, p. 1-2. 2 p.

    Research output: Contribution to conference › Paper › peer-review

  19. 2021
  20. Published

    Concurrent Inter-ONU Communications for Next Generation Mobile Fronthauls based on IMDD Hybrid SSB OFDM-DFMA PONs

    Zhong, Z., Jin, W., Jiang, S., He, J., Chang, D., Hong, Y., Giddings, R., Jin, X., O'Sullivan, M., Durrant, T., Trewern, J., Mariani, G. & Tang, J., 1 Dec 2021, In: Journal of Lightwave Technology. 39, 23, p. 7360-7369

    Research output: Contribution to journal › Article › peer-review

  21. Published

    Timing Jitter Analysis and Mitigation in Hybrid OFDM-DFMA PONs

    Giddings, R., Gonem, O. & Tang, J., Dec 2021, In: IEEE Photonics Journal. 13, 6, 13 p., 7200313.

    Research output: Contribution to journal › Article › peer-review

  22. Published

    Experimental demonstrations of DSP-enabledflexibility, adaptability and elasticity ofmulti-channel >72Gb/s over 25 km IMDDtransmission systems

    Jin, W., Zhong, Z., Jiang, S., He, J., Hu, S. H., Chang, D., Giddings, R., Hong, H., Jin, X., O'Sullivan, M., Durrant, T., Trewern, J., Mariani, G. & Tang, J., 30 Nov 2021, In: Optics Express. 29, 25, p. 41363-41377

    Research output: Contribution to journal › Article › peer-review

  23. Published

    DFT-Spread Spectrally Overlapped Hybrid OFDM-Digital Filter Multiple Access IMDD PONs

    Sankoh, A., Jin, W., Zhong, Z., He, J., Hong, Y., Giddings, R. & Tang, J., 2 Sept 2021, In: Sensors. 21, 17, 5903.

    Research output: Contribution to journal › Article › peer-review

  24. Published

    DSP-based Reduction of the Impact of White ADC Timing Jitter on Hybrid OFDM-DFMA PONs

    Gonem, O., Giddings, R. & Tang, J., 26 Jul 2021. 2 p.

    Research output: Contribution to conference › Paper › peer-review

  25. Published

    Experimental Demonstrations of Concurrent Adaptive Inter-ONU and Upstream Communications in IMDD Hybrid SSB OFDM-DFMA PONs

    Zhong, Z., Jin, W., He, J., Chang, D., Giddings, R., Hong, Y., O'Sullivan, M., Durrant, T., Mariani, G., Trewern, J. & Tang, J., 6 Jun 2021.

    Research output: Contribution to conference › Paper › peer-review

  26. Published

    Data-aided Iterative Algorithms for Linearizing IM/DD Optical Transmission Systems

    Hu, S., Zhang, J., Tang, J., Jin, W., Giddings, R. & Qiu, K., 1 May 2021, In: Journal of Lightwave Technology. 39, 9, p. 2864 - 2872 9 p.

    Research output: Contribution to journal › Article › peer-review

  27. Published

    Experimental Demonstrations of Matching Filter-free Digital Filter Multiplexed SSB OFDM IMDD Transmission Systems

    Zhong, Z., Jin, W., Dong, Y., Sankoh, A., He, J., Hong, Y., Giddings, R., Pierce, I., O'Sullivan, M., Lee, J., Mariani, G., Durrant, T. & Tang, J., Apr 2021, In: IEEE Photonics Journal. 13, 2, 12 p., 7900512.

    Research output: Contribution to journal › Article › peer-review

  28. 2020
  29. Published

    Hybrid OFDM-Digital Filter Multiple Access PONs Utilizing Spectrally Overlapped Digital Orthogonal Filtering

    Sankoh, A., Jin, W., Zhong, Z., He, J., Hong, Y., Giddings, R., Pierce, I., O'Sullivan, M., Lee, J., Durrant, T. & Tang, J., Oct 2020, In: IEEE Photonics Journal. 12, 5, 10 p., 7905311.

    Research output: Contribution to journal › Article › peer-review

  30. Published

    A Clock-gating-based Energy-efficient Scheme for ONUs in Real-time IMDD OFDM-PONs

    Zhang, J., Zhao, J., Huang, H., Ye, N., Giddings, R., Li, Z., Qin, D., Zhang, Q. & Tang, J., 15 Jul 2020, In: Journal of Lightwave Technology. 38, 14, p. 3573-3583

    Research output: Contribution to journal › Article › peer-review

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