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

    Robust and tunable 16.375Gb/s dual-band optical OFDM transmissions over directly modulated VCSEL-based 200m OM2 MMFs

    Tang, J., Deng, M. L., Jiang, N., Duan, X., Giddings, R. P., Yi, X. W., Cao, B. Y., Mansoor, S. P., Qiu, K. & Tang, J. M., 8 Jan 2015, In: Optics Express. 23, 1, p. 373-383

    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
  7. Published

    Intra-Cavity Chromatic Dispersion Impacts on 10-Gb/s Optical OFDM Transmissions Over 25-km Dual-RSOA-Based Self-Seeded PON Systems

    Tang, J., Deng, M. L., Cao, B. Y., Giddings, R. P., Dong, Y. X., Jiang, N., Nesset, D., Qiu, K. & Tang, J. M., 18 Dec 2014, In: IEEE Photonics Journal. 7, 1

    Research output: Contribution to journalArticlepeer-review

  8. Published

    RSOA Intensity Modulator Frequency Chirp-Enabled 40Gb/s over 25km IMDD PON Systems

    Tang, J., Giddings, R. P., Tang, J. M., Cao, B., Deng, M., Giddings, R., Duan, X., Zhang, Q. & Wang, M., 22 Mar 2015.

    Research output: Contribution to conferencePaper

  9. Published

    Adaptively modulated optical OFDM modems utilizing RSOAs as intensity modulators in IMDD SMF transmission systems.

    Tang, J., Wei, J. L., Hamie, A., Giddings, R. P., Hugues-Salas, E., Zheng, X., Mansoor, S. P. & Tang, J. M., 8 Apr 2010, In: Optics Express. 18, 8, p. 8556-8573

    Research output: Contribution to journalArticlepeer-review

  10. 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