Dr Roger Giddings

Senior Lecturer in Optical Communications & DSP

  1. 2013
  2. Published

    First Experimental Demonstration of Real-Time End-to-End Multi-Band 25.25Gb/s Optical OFDM Transmission over 300m OM2 MMFs Employing 4GS/s DACs/ADCs

    Giddings, R. P., Hugues-Salas, E., Zhang, Q. W. & Tang, J. M., 2013, Asia Communications and Photonics Conference 2013. AF1F.4

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

  3. Published

    First experimental demonstration of real-time adaptive transmission of 20Gb/s dual-band optical OFDM signals over 500m OM2 MMFs

    Hugues-Salas, E., Giddings, R. P. & Tang, J. M., 2013, Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013. p. 1-3 3 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

  4. Published

    Record-high and robust capacity versus reach performance of adaptive real-time dual-band optical OFDM signals for upgrading legacy MMF systems

    Hugues-Salas, E., Zhang, Q. W., Giddings, R. P., Wang, M. & Tang, J. M., 2013, Future Network and Mobile Summit (FutureNetworkSummit), 2013. p. 1-10 10 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

  5. Published

    Tutorial: Real-time digital signal processing for future optical access networks

    Giddings, R., 2013, Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013. p. 1-116 116 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

  6. Published

    Upstream Power Budgets of IMDD Optical OFDMA PONs Incorporating RSOA Intensity Modulator-Based Colorless ONUs

    Jin, X. Q., Groenewald, J., Hugues-Salas, E., Giddings, R. P. & Tang, J. M., 2013, In: Journal of Lightwave Technology. 31, 12, p. 1914-1920 7 p.

    Research output: Contribution to journalArticlepeer-review

  7. Published

    End-to-end real-time DSP for high-speed optical access/metro links

    Giddings, R. P. & Tang, J. M., 16 Sept 2013, 18th OptoElectronics and Communications Conference . p. 1-2 2 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

  8. 2014
  9. Published

    Real-time Digital Signal Processing for Optical OFDM-Based Future Optical Access Networks

    Giddings, R., 2014, In: Journal of Lightwave Technology. 32, 4, p. 553-570 18 p.

    Research output: Contribution to journalArticlepeer-review

  10. Published

    Record-high and robust 17.125 Gb/s gross-rateover 25 km SSMF transmissions of real-time dual-band optical OFDM signals directly modulated by 1 GHz RSOAs

    Zhang, Q. W., Hugues-Salas, E., Ling, Y., Zhang, H. B., Giddings, R. P., Zhang, J. J., Wang, M. & Tang, J. M., 2014, In: Optics Express. 22, 6, p. 6339-6348 10 p.

    Research output: Contribution to journalArticlepeer-review

  11. 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

  12. 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

  13. Published

    17.125Gb/s over 25km transmissions of real-time dual-band optical OFDM signals modulated by 1GHz RSOAs

    Lin, L. Y., Giddings, R. P., Tang, J., Zhang, Q., Salas, E. H., Ling, Y., Zhang, H., Giddings, R. & Wang, M., 9 Mar 2014.

    Research output: Contribution to conferencePaper

  14. Published

    Digital Orthogonal Filtered Optical OFDM for Elastic PONs

    Tang, J., Giddings, R. P., Tang, J. M., Bolea, M. & Giddings, R., 9 Mar 2014.

    Research output: Contribution to conferencePaper

  15. Published

    IFFT Stage-dependent Minimum Bit Resolution Maps for Real-time Optical OFDM Transceivers

    Zhang, J., Giddings, R. P., Tang, J., Zhang, Q., Yuan, W., Giddings, R. & Wang, M., 9 Mar 2014.

    Research output: Contribution to conferencePaper

  16. Published

    Self-seeding-based 10Gb/s over 25km optical OFDM transmissions utilizing face-to-face dual-RSOAs at gain saturation

    Deng, M., Ling, Y., Chen, X., Giddings, R., Hong, Y., Yi, X. W., Qiu, K. & Tang, J., 19 May 2014, In: Optics Express. 22, 10, p. 11954-11965

    Research output: Contribution to journalArticlepeer-review

  17. Published

    Real-time experimental demonstrations of software reconfigurable optical OFDM transceivers utilizing DSP-based digital orthogonal filters for SDN PONs

    Cao, B., Mansoor, S. P., Tang, J., Duan, X., Giddings, R. P., Bolea, M., Ling, Y., Cao, S., Mansoor, S. & Tang, J. M., 11 Aug 2014, In: Optics Express. 22, 16, p. 19674-19685

    Research output: Contribution to journalArticlepeer-review

  18. 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

  19. Published
  20. 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

  21. 2015
  22. Published

    Digital Filter Multiple Access PONs With DSP-Enabled Software Reconfigurability

    Bolea, M., Giddings, R. P., Bouich, M., Aupetit-Berthelemot, C. & Tang, J. M., 2015, In: IEEE Journal of Optical Communications and Networking. 7, 4, p. 215-222 8 p.

    Research output: Contribution to journalArticlepeer-review

  23. 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

  24. Published

    Intra-Cavity Dispersion-Induced Performance Degradations of Dual-RSOA-Based Self-Seeded PON Systems

    Tang, J., Giddings, R. P., Tang, J. M., Deng, M., Cao, B., Giddings, R., Dong, Y., Jian, N., Nesset, D. & Qiu, K., 22 Mar 2015.

    Research output: Contribution to conferencePaper

  25. Published

    New ROADMs with DSP-Enabled Dynamic and Flexible Operations for Elastic Optical Networks

    Tang, J., Giddings, R. P., Tang, J. M., Jin, W., Duan, X., Bolea, M., Giddings, R., Jiang, N., Zhang, C. & Qiu, K., 22 Mar 2015.

    Research output: Contribution to conferencePaper

  26. 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

  27. 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

  28. Published

    DSP-Enabled Flexible ROADMs without Optical Filters and O-E-O Conversions

    Dong, Y., Tang, J., Jin, W., Duan, X., Dong, Y. X., Cao, B. Y., Giddings, R. P., Zhang, C. F., Qiu, K. & Tang, J. M., 20 Aug 2015, In: Journal of Lightwave Technology. 33, 19, p. 4124-4131

    Research output: Contribution to journalArticlepeer-review