Dr Roger Giddings
Senior Lecturer in Optical Communications & DSP
- Paper › Research › Peer-reviewed
- 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 conference › Paper › peer-review
- 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
- Published
Colourless real-time optical OFDM end-to-end transmission at 7.5Gb/s over 25km SSMF using 1GHz RSOAs for WDM-PONs
Giddings, R. P., Hugues-Salas, E., Jin, X. Q., Wei, J. L. & Tang, J. M., 2010, p. 1-3. 3 p.Research output: Contribution to conference › Paper › peer-review
- 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
- Published
Demonstration of real-time multi-gigabit optical OFDM modems for access networks
Giddings, R. P., Jin, X. Q., Yang, X. L. & Tang, J. M., 2009, p. 1-2. 2 p.Research output: Contribution to conference › Paper › peer-review
- 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 conference › Paper › peer-review
- 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
- Published
End-to-end real-time demonstration of 128-QAM-encoded optical OFDM transmission with a 5.25bit/s/Hz spectral efficiency over IMDD systems
Jin, X. Q., Giddings, R. P., Hugues-Salas, E. & Tang, J. M., 2010, p. 1-3. 3 p.Research output: Contribution to conference › Paper › peer-review
- Published
Experimental Demonstration of Cross-Channel Interference Cancellation for Digital Filter Multiple Access PONs
Giddings, R. P., Duan, X. & Tang, J., 23 Mar 2016.Research output: Contribution to conference › Paper › peer-review
- Published
Experimental Demonstration of DSP-enabled Drop Operations of Flexible ROADMs Excluding Optical Filters and O-E-O Conversions
Tang, J., Duan, X., Deng, M., Jin, W., Giddings, R. P. & Mansoor, S., 22 Mar 2016.Research output: Contribution to conference › Paper › peer-review
- Published
Experimental Demonstration of Soft-ROADMs with Drop Signal Phase Independent Performance for PTMP 5G Fronthauls
Gonem, O., Giddings, R. & Tang, J., 2 Nov 2023.Research output: Contribution to conference › Paper › peer-review
- Published
Experimental Demonstration of a Dual-Arm Drop Element-Based Soft-ROADM for Future Optical-Wireless Converged Access Networks
Gonem, O., Giddings, R. & Tang, J., 2023, p. 1-5. 5 p.Research output: Contribution to conference › Paper › peer-review
- 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
- Published
Experimental Demonstrations of Point-to-Multipoint Flexible Optical Transceiver-Enabled Concurrent Direct Inter-ONU and Upstream Communications in IMDD PONs
Jin, W., Chen, L., He, J., Giddings, R., Hao, M. & Tang, J., 1 Jan 2024.Research output: Contribution to conference › Paper › peer-review
- Published
Experimental demonstration of adaptive bit and/or power loading for maximising real-time end-to-end optical OFDM transmission performance
Jin, X. Q., Giddings, R. P. & Tang, J. M., 2011, p. 1-3. 3 p.Research output: Contribution to conference › Paper › peer-review
- Published
Experimental demonstration of colourless real-time end-to-end optical OFDM transmission at 7.5Gb/s over 25km SSMF using a 1GHz RSOA
Giddings, R. P., Hugues-Salas, E., Jin, X. Q., Wei, J. L. & Tang, J. M., 2010, p. 1-6. 6 p.Research output: Contribution to conference › Paper › peer-review
- Published
Experimental demonstration of record high 11.25Gb/s real-time end-to-end optical OFDM transceivers for PONs
Giddings, R. P., Jin, X. Q., Hugues-Salas, E., Giacoumidis, E. & Tang, J. M., 2010, p. 1-13. 13 p.Research output: Contribution to conference › Paper › peer-review
- Published
First experimental demonstration of VCSEL-based realtime end-to-end 11.25Gb/s optical OFDM signal transmission over 800m MMFs
Hugues-Salas, E., Jin, X. Q., Giddings, R. P., Wei, J. L., Shu, C. & Tang, J. M., 2011, p. 1-3. 3 p.Research output: Contribution to conference › Paper › peer-review
- Published
First experimental demonstration of end-to-end real-time optical OFDM symbol synchronization using subtraction and Gaussian windowing in 25km SMF IMDD systems
Jin, X. Q., Giddings, R. P., Hugues-Salas, E. & Tang, J. M., 2010, p. 1-3. 3 p.Research output: Contribution to conference › Paper › peer-review
- Published
First experimental demonstration of low-cost VCSEL-intensity modulated end-to-end real-time optical OFDM signal transmission at 11.25Gb/s over 25km SSMFs
Hugues-Salas, E., Giddings, R. P., Hong, Y., Jin, X. Q., Wei, J. L., Zheng, X. & Tang, J. M., 2011, p. 1-3. 3 p.Research output: Contribution to conference › Paper › peer-review
- Published
First experimental demonstration of real-time dual-band optical OFDM transmission at 17.5Gb/s over an EML-based 25km SSMF IMDD system using 4GS/s DAC/ADCs
Giddings, R. P., Hugues-Salas, E., Ben-Ezra, S. & Tang, J. M., 2012, p. 1-3. 3 p.Research output: Contribution to conference › Paper › peer-review
- Published
First experimental demonstration of real-time optical OFDM transceivers
Giddings, R. P., Jin, X. Q., Kee, H. H., Yang, X. L. & Tang, J. M., 2009, p. 1-2. 2 p.Research output: Contribution to conference › Paper › peer-review
- Published
Improved power budgets of end-to-end real-time optical OFDM PON systems using wavelength-offset optical filtering
Wei, J. L., Hugues-Salas, E., C, S., [No Value], XE., [Unknown], N., Jin, X. Q., Giddings, R. P., Pierce, I., Ortega, B., Shu, C. & Tang, J. M., 2012, p. 1-3. 3 p.Research output: Contribution to conference › Paper › peer-review
- 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
- Published
Input/output reconfigurable adaptively modulated optical OFDM modems using subcarrier modulation
Zheng, X., Wei, J. L., Yang, X. L., Giddings, R. P., Tang, J. M. & Shore, K. A., 2009, p. 1-2. 2 p.Research output: Contribution to conference › Paper › peer-review
- Published
REAM intensity modulator-enabled colorless transmission of real-time optical OFDM signals for WDM-PONs
Hugues-Salas, E., Giddings, R. P., Jin, X. Q., Quinlan, T., Hong, Y., Walker, S. & Tang, J. M., 2012, p. 1-3. 3 p.Research output: Contribution to conference › Paper › peer-review
- Published
Real-time 11.25Gb/s optical OFDM signal transmission over 2000m legacy MMFs using centre launching
Hugues-Salas, E., Jin, X. Q., Giddings, R. P., Hong, Y., Mansoor, S., Villafranca, A. & Tang, J. M., 2012, p. 1-8. 8 p.Research output: Contribution to conference › Paper › peer-review
- Published
Real-time 11.25Gb/s optical OFDM transmission over 2000m legacy MMFs utilizing directly modulated VCSELs
Hugues-Salas, E., Courjault, N., Jin, X. Q., Giddings, R. P., Aupetit-Berthelemot, C. & Tang, J. M., 2012, p. 1-3. 3 p.Research output: Contribution to conference › Paper › peer-review
- Published
Real-time experimental demonstration of a versatile optical OFDM symbol synchronisation technique using low-power DC offset signalling
Giddings, R. P. & Tang, J. M., 2011, p. 1-3. 3 p.Research output: Contribution to conference › Paper › peer-review
- Published
Real-time optical OFDM and colorless OOFDMA PONs
Tang, J. M., Giddings, R. P., Hugues-Salas, E. & Hong, Y., 2012, p. 1. 1 p.Research output: Contribution to conference › Paper › peer-review
- Published
Real-time optical OFDM transceivers for PON applications
Tang, J. M., Giddings, R. P., Jin, X. Q., Wei, J. L., Zheng, X., Giacoumidis, E., Hugues-Salas, E., Hong, Y., Shu, C., Groenewald, J. & Muthusamy, K., 2011, p. 1-3. 3 p.Research output: Contribution to conference › Paper › peer-review
- Published
SOA intensity modulator-enabled colourless transmission of adaptively modulated optical OFDM signals for WDM-PONs
Wei, J. L., Yang, X. L., Giddings, R. P., Tang, J. M. & Shore, K. A., 2009, p. 1-2. 2 p.Research output: Contribution to conference › Paper › peer-review
- Published
Simple adaptively modulated optical OFDM modems using subcarrier modulation with input/output reconfigurability
Zheng, X., Wei, J. L., Giddings, R. P. & Tang, J. M., Jun 2010, p. 1-8. 8 p.Research output: Contribution to conference › Paper › peer-review
- Accepted/In press
Soft-ROADM-enabled Seamlessly Converged Optical-Wireless Access Networks with Free-Running Laser-based Tunable mmWave Generation and RF Envelope Detection
Vallejo Castro, L., Gonem, O., Jin, W., Giddings, R. & Tang, J., 28 Mar 2024, (Accepted/In press).Research output: Contribution to conference › Paper › peer-review
- Published
Subcarrier Index-Power Modulated Optical OFDM (SIPM-OOFDM) for IMDD PON Systems
Tang, J., Halabi, F., Chen, L., Parre, S., Barthomeuf, S., Giddings, R. P. & Aupetit-Berthelemot, C., 22 Jul 2016.Research output: Contribution to conference › Paper › peer-review
- Published
Technical and Market Feasibility of High-Speed Software-Reconfigurable OOFDM/DFMA-based Optical Transceiversfor Next Generation Access Network PONs
Dorward, R. M., Anderson, M. J. & Giddings, R. P., 25 Aug 2016.Research output: Contribution to conference › Paper › peer-review
- Published
Wavelength reused bidirectional adaptively modulated optical OFDM transmission in colourless WDM-PONs
Wei, J. L., Hugues-Salas, E., Giddings, R. P., Jin, X. Q., Zheng, X. & Tang, J. M., 2010, p. 1-3. 3 p.Research output: Contribution to conference › Paper › peer-review
- Published
Wavelength reused bidirectional transmission of adaptively modulated optical OFDM signals in SOA/RSOA intensity modulator-based WDM-PONs
Wei, J. L., Hugues-Salas, E., Giddings, R. P., Jin, X. Q., Zheng, X. & Tang, J. M., Jun 2010, p. 1-9. 9 p.Research output: Contribution to conference › Paper › peer-review
- Published
Wavelength-offset optical filtering induced power budget improvements in end-to-end real-time optical OFDM PON systems
Wei, J. L., Hugues-Salas, E., Jin, X. Q., Giddings, R. P., Pierce, I., Ortega, B. & Tang, J. M., 2012, p. 1-3. 3 p.Research output: Contribution to conference › Paper › peer-review
- Published
World-first experimental demonstration of synchronous clock recovery in an 11.25Gb/s real-time end-to-end optical OFDM system using directly modulated DFBs
Giddings, R. P. & Tang, J. M., 2011, p. 1-3. 3 p.Research output: Contribution to conference › Paper › peer-review
- Paper › Research › Not peer-reviewed
- 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 conference › Paper
- 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 conference › Paper
- 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 conference › Paper
- 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 conference › Paper
- 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 conference › Paper
- 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 conference › Paper
- Published
Real-Time 3Gb/s 16QAM-Encoded Optical OFDM Transmission over 75km MetroCor SMFs with Negative Power Penalties.
Jin, X. Q., Giddings, R. P., Tang, J. M. & Shore, K. A., 1 Jan 2009.Research output: Contribution to conference › Paper
- Conference contribution › Research › Peer-reviewed
- 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). IEEEResearch output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
- 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 proceeding › Conference contribution › peer-review
- 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.4Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review