Dr Roger Giddings
Senior Lecturer in Optical Communications & DSP

- 2009
- Cyhoeddwyd
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, t. 1-2. 2 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-2. 2 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-2. 2 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-2. 2 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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 Ion 2009.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Cyhoeddwyd
Colourless adaptively modulated optical OFDM transmitters using SOAs as intensity modulators.
Tang, J., Wei, J. L., Yang, X. L., Giddings, R. P. & Tang, J. M., 25 Mai 2009, Yn: Optics Express. 17, 11, t. 9012-9027Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Real-time implementation of optical OFDM transmitters and receivers for practical end-to-end optical transmission systems
Giddings, R. P., Jin, X., Kee, H., Yang, X. & Tang, J., 16 Gorff 2009, Yn: Electronics Letters. 45, 15, t. 800-802Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Semiconductor Optical Amplifier-Enabled Intensity Modulation of Adaptively Modulated Optical OFDM Signals in SMF-Based IMDD Systems
Wei, J., Hamie, A., Giddings, R. P. & Tang, J., 15 Awst 2009, Yn: Journal of Lightwave Technology. 27, 16, t. 3679-3689Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Real-time transmission of 3Gb/s 16-QAM encoded optical OFDM signals over 75km SMFs with negative power penalties
Jin, X., Tang, J. & Giddings, R., 17 Awst 2009, Yn: Optics Express. 17, 17, t. 14574-14585Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Experimental demonstration of real-time 3Gb/s optical OFDM transceivers.
Tang, J., Giddings, R. P., Jin, X. Q. & Tang, J. M., 14 Medi 2009, Yn: Optics Express. 17, 19, t. 16654-16665Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
First experimental demonstration of 6Gb/s real-time optical OFDM transceivers incorporating channel estimation and variable power loading.
Tang, J., Giddings, R. P., Jin, X. Q. & Tang, J. M., 1 Hyd 2009, Yn: Optics Express. 17, 22, t. 19727-19738Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2010
- Cyhoeddwyd
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, t. 1-3. 3 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-3. 3 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-6. 6 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-13. 13 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-3. 3 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-3. 3 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
Experimental demonstration of a record high 11.25Gb/s real-time optical OFDM transceiver supporting 25km SMF end-to-end transmission in simple IMDD systems
Giddings, R. P., Jin, X. Q., Hugues-Salas, E., Giacoumidis, E., Wei, J. L. & Tang, J., 1 Maw 2010, Yn: Optics Express. 18, 6, t. 5541-5555Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
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 Ebr 2010, Yn: Optics Express. 18, 8, t. 8556-8573Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
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 Mai 2010, Yn: Optics Express. 18, 10, t. 9791-9808Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Simple adaptively modulated optical OFDM modems using subcarrier modulation with input/output reconfigurability
Zheng, X., Wei, J. L., Giddings, R. P. & Tang, J. M., Meh 2010, t. 1-8. 8 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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., Meh 2010, t. 1-9. 9 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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 Awst 2010, Yn: IEEE Photonics Journal. 2, 4, t. 532-542Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Significant improvements in optical power budgets of real-time optical OFDM PON systems
Wei, J. L., Sanchez, C., Giddings, R. P., Hugues-Salas, E. & Tang, J. M., Medi 2010, Yn: Optics Express. 18, 20, t. 20732-20745 14 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2011
- Cyhoeddwyd
Experimental Demonstration of Real-Time Optical OFDM Transmission at 11.25 Gb/s Over 500-m MMFs Employing Directly Modulated DFB Lasers
Giddings, R. P., Hugues-Salas, E., Charbonnier, B. & Tang, J. M., 2011, Yn: IEEE Photonics Technology Letters. 23, 1, t. 51-53 3 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-3. 3 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-3. 3 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-3. 3 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-3. 3 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-3. 3 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-3. 3 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
Experimental demonstration and optimisation of a synchronous clock recovery technique for real-time end-to-end optical OFDM transmission at 11.25Gb/s over 25km SSMF
Tang, J., Giddings, R. P. & Tang, J. M., 28 Ion 2011, Yn: Optics Express. 19, 3, t. 2831-2845Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Real-time experimental demonstration of low-cost VCSEL intensity-modulated 11.25Gb/s optical OFDM signal transmission over 25km PON systems
Hugues-Salas, E., Giddings, R. P., Jin, X. Q., Wei, J. L., Zheng, X., Hong, Y., Shu, C. & Tang, J., 1 Chwef 2011, Yn: Optics Express. 19, 4, t. 2979-2988Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Experimental demonstrations and extensive comparisons of end-to-end real-time optical OFDM transceivers with adaptive bit and/or power loading
Tang, J., Jin, X. Q., Wei, J. L., Giddings, R. P., Quinlan, T., Walker, S. & Tang, J. M., 1 Meh 2011, Yn: IEEE Photonics Journal. 3, 3, t. 500-511Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
First real-time experimental demonstrations of 11.25Gb/s optical OFDMA PONs with adaptive dynamic bandwidth allocation
Tang, J., Jin, X. Q., Hugues-Salas, E., Giddings, R. P., Wei, J. L., Groenwald, J. & Tang, J. M., 3 Hyd 2011, Yn: Optics Express. 19, 21, t. 20557-20570Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2012
- Cyhoeddwyd
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, t. 1-3. 3 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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], X., [Unknown], N., Jin, X. Q., Giddings, R. P., Pierce, I., Ortega, B., Shu, C. & Tang, J. M., 2012, t. 1-3. 3 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
REAM intensity modulator-enabled 10Gb/s colorless upstream transmission of real-time optical OFDM signals in a single-fiber-based bidirectional PON architecture
Hugues-Salas, E., Giddings, R. P., Jin, X. Q., Hong, Y., Quinlan, T., Walker, S. & Tang, J. M., 2012, Yn: Optics Express. 20, 19, t. 21089-21100 12 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-3. 3 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-8. 8 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-3. 3 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
Real-time optical OFDM and colorless OOFDMA PONs
Tang, J. M., Giddings, R. P., Hugues-Salas, E. & Hong, Y., 2012, t. 1. 1 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-3. 3 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
Directly Modulated VCSEL-Based Real-Time 11.25-Gb/s Optical OFDM Transmission Over 2000-m Legacy MMFs
Mansoor, S. P., Tang, J., Hugues-Salas, E., Jin, X. Q., Giddings, R. P., Hong, Y., Mansoor, S., Villafranca, A. & Tang, J. M., 1 Chwef 2012, Yn: IEEE Photonics Journal. 4, 1, t. 143-154Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Experimental demonstration of record high 19.125Gb/s real-time end-to-end dual-band optical OFDM transmission over 25km SMF in a simple EML-based IMDD system
Giddings, R. P., Hugues-Salas, E. & Tang, J., 23 Awst 2012, Yn: Optics Express. 20, 18, t. 20666-20679Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2013
- Cyhoeddwyd
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, Yn: IEEE Photonics Technology Letters. 25, 21, t. 2123-2125 3 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-3. 3 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, Yn: IEEE Journal of Optical Communications and Networking. 5, 10, A1-A11.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, t. 1-3. 3 t.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid
- Cyhoeddwyd
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, Yn: Optics Express. 21, 7, t. 9167-9179 13 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid