Dr Roger Giddings

Senior Lecturer in Optical Communications & DSP

  1. 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 journalArticlepeer-review

  2. 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 journalArticlepeer-review

  3. Published

    Digital Orthogonal Filter-Enabled Optical OFDM Channel Multiplexing for Software-Reconfigurable Elastic PONs

    Tang, J., Bolea, M., Giddings, R. P. & Tang, J. M., 16 Jan 2014, In: Journal of Lightwave Technology. 32, 6, p. 1200-1206

    Research output: Contribution to journalArticlepeer-review

  4. Published

    Stage-dependent minimum bit resolution maps of full-parallel pipelined FFT/IFFT architectures incorporated in real-time optical orthogonal frequency division multiplexing transceivers

    Tang, J., Zhang, J., Yuan, W., Wang, K., Cao, B., Giddings, R. P., Wang, M. & Tang, J. M., 27 Aug 2014, In: Journal of Engineering. 2014, p. 1-8

    Research output: Contribution to journalArticlepeer-review

  5. Published

    Wavelength reused bidirectional transmission of adaptively modulated optical OFDM signals in WDM-PONs incorporating SOA and RSOA intensity modulators.

    Tang, J., Wei, J. L., Hugues-Salas, E., Giddings, R. P., Jin, X. Q., Zheng, X., Mansoor, S. P. & Tang, J. M., 10 May 2010, In: Optics Express. 18, 10, p. 9791-9808

    Research output: Contribution to journalArticlepeer-review

  6. Published

    Robust real-time 15.125Gb/s adaptive optical OFDM transmissions over 100m OM2 MMFs utilizing directly modulated VCSELs subject to optical injection locking

    Tang, J., Zhang, H. B., Yi, X. W., Zhang, Q. W., Ling, Y., Deng, M. L., Hugues-Salas, E., Giddings, R. P., Hong, Y. & Tang, J. M., 13 Jan 2014, In: Optics Express. 22, 1, p. 1163

    Research output: Contribution to journalArticlepeer-review

  7. Published

    Experimental demonstration of real-time 3Gb/s optical OFDM transceivers.

    Tang, J., Giddings, R. P., Jin, X. Q. & Tang, J. M., 14 Sept 2009, In: Optics Express. 17, 19, p. 16654-16665

    Research output: Contribution to journalArticlepeer-review

  8. Published

    Negative power penalties of optical OFDM signal transmissions in directly modulated DFB laser-based IMDD systems incorporating negative dispersion fibers.

    Tang, J., Zheng, X., Jin, X. Q., Giddings, R. P., Wei, J. L., Hugues-Salas, E., Hong, Y. & Tang, J. M., 1 Aug 2010, In: IEEE Photonics Journal. 2, 4, p. 532-542

    Research output: Contribution to journalArticlepeer-review

  9. Published

    RSOA Intensity Modulator Frequency Chirp-Enhanced Optical OFDM PON Performance

    Tang, J., Cao, B., Deng, M., Cao, B. Y., Deng, M. L., Zhang, Q. W., Giddings, R. P. & Wang, M., 5 Jun 2015, In: IEEE Photonics Journal. 7, 3, p. Article Number: 7101711

    Research output: Contribution to journalArticlepeer-review

  10. Published