Roger Giddings - Research outputs

Published

Real-Time Demonstration of Concurrent Upstream and Inter-ONU Communications in Hybrid OFDM DFMA PONs

Giddings, R., Tyagi, T. & Tang, J., 1 Feb 2023, In: IEEE Photonics Technology Letters. 35, 3, p. 148 - 151 4 p.

Research output: Contribution to journal › Article › peer-review

Published

Real-Time experimental demonstration of DSP-enabled soft-ROADMs with multi-level flexible add/drop functions for cloud access networks

Al-Rawachy, E., Giddings, R. & Tang, J., 7 Jan 2019, In: Optics Express. 27, 1, p. 16-33

Research output: Contribution to journal › Article › peer-review

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 journal › Article › peer-review

Published

Real-time experimental demonstration of a computationally efficient hybrid OFDM DFMA PON

Giddings, R., Tyagi, T. & Tang, J., Dec 2022, In: Optical Fiber Technology. 74, 26 p., 103106.

Research output: Contribution to journal › Article › peer-review

Published

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 Feb 2011, In: Optics Express. 19, 4, p. 2979-2988

Research output: Contribution to journal › Article › peer-review

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 journal › Article › peer-review

Published

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 Jul 2009, In: Electronics Letters. 45, 15, p. 800-802

Research output: Contribution to journal › Article › peer-review

Published

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 Aug 2009, In: Optics Express. 17, 17, p. 14574-14585

Research output: Contribution to journal › Article › peer-review

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 journal › Article › peer-review

Published

Rectangular Orthogonal Digital Filter Banks Based on Extended Gaussian Functions

Jin, W., Zhong, Z., Jiang, S., He, J., Chang, D., Hong, Y., Giddings, R., Jin, X., O'Sullivan, M., Durrant, T., Trewem, J., Mariani, G. & Tang, J., 15 Jun 2022, In: Journal of Lightwave Technology. 40, 12, p. 3709-3722

Research output: Contribution to journal › Article › peer-review

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 journal › Article › peer-review

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 journal › Article › peer-review

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 journal › Article › peer-review

Published

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 Aug 2009, In: Journal of Lightwave Technology. 27, 16, p. 3679-3689

Research output: Contribution to journal › Article › peer-review

Published

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., Sept 2010, In: Optics Express. 18, 20, p. 20732-20745 14 p.

Research output: Contribution to journal › Article › peer-review

Published

Stage-dependent DSP Operation Range Clipping-induced Bit Resolution Reductions of Full Parallel 64-point FFTs Incorporated in FPGA-based Optical OFDM Receivers

Zhang, J., Tang, Z., Giddings, R., Wu, Q., Wang, W., Cao, B., Zhang, Q. & Tang, J. M., 15 Aug 2016, In: Journal of Lightwave Technology. 34, 16, p. 3752-3760

Research output: Contribution to journal › Article › peer-review

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 journal › Article › peer-review

Published

Subcarrier Grouping-Enabled Improvement in Transmission Performance of Subcarrier Index-Power Modulated Optical OFDM for IM/DD PON Systems

Al Halabi, F., Chen, L., Giddings, R., Hamie, A. & Tang, J., 15 Oct 2018, In: Journal of Lightwave Technology. 36, 20, p. 4792-4798

Research output: Contribution to journal › Article › peer-review

Published

Subcarrier Index-Power Modulated Optical OFDM With Superposition Multiplexing for IMDD Transmission Systems

Chen, L., Al Halabi, F., Giddings, R. & Tang, J., 12 Nov 2016, In: Journal of Lightwave Technology. 34, 22, p. 5284 - 5292

Research output: Contribution to journal › Article › peer-review

Published

Subcarrier Index-Power Modulated Optical OFDM and Its Performance in IMDD PON Systems

Halabi, F., Chen, L., Parre, S., Barthomeuf, S., Giddings, R. P., Aupetit-Berthelemot, C., Hamie, A. & Tang, J. M., 1 May 2016, In: Journal of Lightwave Technology. 34, 9, p. 2228-2234 7 p.

Research output: Contribution to journal › Article › peer-review

Published

Subcarrier Index-Power Modulated-Optical OFDM with Dual Superposition Multiplexing for Directly Modulated DFB-based IMDD PON Systems

Chen, L., Halabi, F., Giddings, R. P., Zhang, J. & Tang, J., Dec 2018, In: IEEE Photonics Journal. 10, 6, 7908113.

Research output: Contribution to journal › Article › peer-review

Published

Subcarrier index-power modulated optical OFDM with dual superposition multiplexing for IMDD PON systems

Halabi, F., Chen, L., Giddings, R. P., Hamie, A., Dumas, Y., Freyssinet, P., Aupetit-Berthelemot, C. & Tang, J. M., 15 Feb 2019, In: Optics Communications. 433, p. 190-194

Research output: Contribution to journal › Article › peer-review

Published

Timing Jitter Analysis and Mitigation in Hybrid OFDM-DFMA PONs

Giddings, R., Gonem, O. & Tang, J., Dec 2021, In: IEEE Photonics Journal. 13, 6, 13 p., 7200313.

Research output: Contribution to journal › Article › peer-review

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 journal › Article › peer-review

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 journal › Article › 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.4

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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 proceeding › Conference contribution › peer-review

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 proceeding › Conference contribution › peer-review

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 proceeding › Conference contribution › peer-review

Published