Dr Roger Giddings

Senior Lecturer in Optical Communications & DSP

  1. 2015
  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 2014
  10. 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

  11. Published
  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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

  21. 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

  22. 2013
  23. 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

  24. Published

    25.25-Gb/s Real-Time Multi-Band Optical OFDM Transmission Over 300-m MMFs With IQ Modulated Passband

    Giddings, R. P., Hugues-Salas, E., Zhang, Q. W., Zhang, J. J., Wang, M. & Tang, J. M., 2013, In: IEEE Photonics Technology Letters. 25, 21, p. 2123-2125 3 p.

    Research output: Contribution to journalArticlepeer-review

  25. Published

    30Gb/s real-time triple sub-band OFDM transceivers for future PONs beyond 10Gb/s/λ

    Giddings, R. P., Hugues-Salas, E. & Tang, J. M., 2013, p. 1-3. 3 p.

    Research output: Contribution to conferencePaperpeer-review

  26. Published

    Adaptability-enabled record-high and robust capacity-versus-reach performance of real-time dual-band optical OFDM signals over various OM1/OM2 MMF systems invited]

    Hugues-Salas, E., Zhang, Q., Giddings, R. P., Wang, M. & Tang, J., 2013, In: IEEE Journal of Optical Communications and Networking. 5, 10, A1-A11.

    Research output: Contribution to journalArticlepeer-review

  27. Published

    Dependence of upstream power budget on the number of ONUs in IMDD optical OFDMA PONs

    Jin, X. Q., Groenewald, J., Hugues-Salas, E., Giddings, R. P. & Tang, J. M., 2013, p. 1-3. 3 p.

    Research output: Contribution to conferencePaperpeer-review

  28. Published

    Experimental demonstrations of record high REAM intensity modulator-enabled 19.25Gb/s real-time end-to-end dual-band optical OFDM colorless transmissions over 25km SSMF IMDD systems

    Zhang, Q. W., Hugues-Salas, E., Giddings, R. P., Wang, M. & Tang, J. M., 2013, In: Optics Express. 21, 7, p. 9167-9179 13 p.

    Research output: Contribution to journalArticlepeer-review