OFC: Optical Fiber Communications Conference and Exhibition | CLEO: Conference on Lasers and Electro-Optics | ECOC: European Conference on Optical Communication | APC: Advance Photonics Congress | IPC: IEEE Photonics Conference | MWP: Microwave Photonics Conference
2026
[C61] Ahmed Galib Reza, Lakshmi Narayanan Venkatasubramani, Janina Rautert, Vladimir S. Mikhrin, Shane Duggan, Gaurav Jain, Amol Delmade, Frank Smyth, Alexey Gubenko, and Liam P. Barry ,"Transmission of 16×75 GBaud PAM-4 Signals Using a 16-Channel O-Band Distributed Feedback Laser Array and SOA-Filter-PIN Receiver Architecture", ICTON 2026. (Invited)
[C60] Leidy Rodriguez*, Lakshmi Narayanan Venkatasubramani*, and Liam Barry, "High-Power Integrated SOA Laser Source for Multi-Tbit/s Parallel Optical Interconnects", ICTON 2026. (Accepted)
[C59] L.J.Q. Rodríguez, Ahmed GR, Venkatasubramani, L.N, Aboujja S., Chu D., Barry L., "Multi-Tbit/s Parallel Optical Interconnects Using an Integrated ECL-SOA Source.", European Conference on Integrated Optics (ECIO) 2026. (Accepted)
[C58] Venkatasubramani, L.N, Lucia A.L, Muneeb F, Liam Barry, "Photonics-Assisted Radio Frequency Down Conversion with Quantum-Dot Mode-Locked Lasers", SPIE Photonics Europe 2026.
2025
[C57] Venkatasubramani, L.N, Ahmed GR, Liam Barry, "Optical Signal Processing Enabling 100 Gbps Transmission with Free-Running Fabry-Perot Lasers", Photonics Ireland 2025.
[C56] Venkatasubramani, L.N, Ahmed GR, Liam Barry, "112.5 Gbps PAM4 and 150 Gbps PAM8 Signals for 3.2 Tbps DCI Utilising Off-the-Shelf High Power Fabry-Pérot Laser", ECOC 2025.
[C55] A. Shamsafar, et al., "High Output Power, 128 GBaud Monolithic InP Integrated Transmitter Fabricated in an Open Access Foundry", ECOC 2025.
[C54] Ahmed GR, Venkatasubramani, L.N, et al.," 8×225 Gbit/s PAM-8 Transmission Employing DFB Laser Array Source and Quantum-Dot SOA-PIN for Intra DCIs", ECOC 2025.
[C53] Ahmed GR, Venkatasubramani, L.N, et al.," Dual wavelength 200 Gbit/s NRZ-OOK Transmission Over 20 km with >30 dB Power Budget Enabled by Quantum-Dot SOAs", ECOC 2025.
[C52] L.J.Q. Rodríguez, S. O’Duill; L.N. Venkatasubramani and L. Barry, "Noise Characterisation of a High-Power Quantum Dot Laser Under Optical Feedback", APC 2025.
[C51] - M. Troncoso Costas, Venkatasubramani, L.N, et al., "Combined Direct / External Laser Modulation for Generation of DAC-less 50G PAM4 Signals’", APC 2025.
[C50] - Venkatasubramani, L.N, Ahmed GR, Liam Barry, " Next-Generation 200G Optical Access Networks With Semiconductor Optical Amplifiers", APC 2025. (Invited, Delivered)
[C49] - Venkatasubramani, L.N, Ahmed GR, Liam Barry, " Semiconductor Optical Amplifiers for Next Generation Intra-DCN Communications", OECC/PSC 2025. (Invited)
[C48] - Venkatasubramani, L.N, et al., "1.5 Terabit/s IM/DD Transmission with Kerr Soliton Frequency Comb for DCI Application", OFC 2025.
2024
[C47] - Ahmed GR, Venkatasubramani, L.N, Anil RG, Liam Barry, "High-Speed PAM-4 Signal Transmission with Multi-Mode Fabry-Pérot Laser for Data Center Networks’", IPC 2024.
[C46] - Ahmed GR, Venkatasubramani, L.N, Liam Barry," Next-Generation Long-Reach 100G Passive Optical Networks With Semiconductor Optical Amplifiers", FOAN 2024. (Invited, Delivered)
[C45] - M. Troncoso Costas, Venkatasubramani, L.N, et al., "Nanosecond Scale Wavelength Switching of High Capacity Coherent Transmission at 720 Gbit/s Based on a Monolithic InP Tunable Laser", ECOC 2024.
[C44] - Ahmed GR, Venkatasubramani, L.N, et al.," Single-Lane 225 Gbit/s PAM-8 Transmission over 50 km with >29 dB Power Budget for Long-Reach PONs Using a Quantum-Dot SOA", ECOC 2024.
[C43] Venkatasubramani, L.N., et al., "Flexible Broadband mm-Wave RoF Transmission for Future Converged Wireless System" in 2024 International Topical Meeting on Microwave Photonics - MWP 2024.
[C42] Dass, D, et. al, "Hybrid Digital PAM and 60 GHz Analog Radio over Fiber Optical Spectrum as a Service Applications", APC 2024. (Invited)
[C41] Ahmed GR, Venkatasubramani, L.N, Anil, RG, Liam Barry, "Single-Wavelength 100 Gbit/s PS-PAM8 Transmission over Hybrid Fiber-FSO Links for Data Center Interconnects", APC 2024.
[C40] Venkatasubramani, L.N., et.al "100 Gbps PAM4 Transmissions over 50 km with 40 dB Power Budget for PON using a High-Gain Quantum Dot SOA" OFC 2024.
[C39] Venkatasubramani, L.N., et.al "Tbps IM/DD Transmission over 10 km SMF with O-Band Quantum Dot Laser Comb for DCIs", OFC 2024.
[C38] Lakshmi Narayanan Venkatasubramani, Ahmed Galib Reza, Liam Barry, "On the application of semiconductor optical amplifier towards Terabit/s short-reach IM/DD transmission systems", SPIE Photonics West 2024. (Invited, Delivered)
2023
[C37] Sameer Ahmed Mir, Lakshmi Narayanan Venkatasubramani, Liam Barry, Deepa Venkitesh, " IQ imbalance Tolerant Probabilistically Shaped Signals with Adaptive Constellation Referencing", IEEE WRAP 2023.
[C36] Ahmed Galib Reza, Lakshmi Narayanan Venkatasubramani, Anil Raj Gautam, Marcos Troncoso Costas, Colm Browning, Ahmed Atieh, Liam Barry, "4×130 Gbit/s PS-PAM-16 Transmissions Using an Integrated SOA-PIN Design for Intra-DCIs Enabled by Machine Learning" ECOC 2023.
[C35] Ahmed Galib Reza, Lakshmi Narayanan Venkatasubramani, Anil Raj Gautam, Liam Barry, "Tbit/s PAM-4 Transmission with a Free-Running Fabry-Pérot Laser as a Multi-Wavelength Source for Intra-DCI Applications", ECOC 2023.
[C34] Devika Dass, LN Venkatasubramani, Liam Barry, Chris Roeloffzen and Colm Browning, "SiP based Hybrid Digital and Analog RoF mmWave 5G Transmission for Converged Optical Access Networks", in Photonics Ireland 2023.
[C33] Venkatasubramani, L.N, Haixuan Xu, Yonglin, Liam Barry, "Characterisation of an O-band Quantum-dot optical comb for WDM transmission", Photonics Ireland 2023.
[C32] M. Troncoso Costas, L. N. Venkatasubramani, A. G. Reza, M. McCarthy, C. Browning, and L. P. Barry, "Enabling High Capacity WDM Transmission Systems for Data Centre and Access Networking Applications", We.C2.1, ICTON 2023. (Invited)
[C31] Ahmed Galib Reza, Lakshmi Narayanan Venkatasubramani, Liam Barry, "Single-Lane 138 Gbit/s PS-PAM16 Transmissions over 1 km using 1297 nm DFB for Intra-Data Center Interconnects" in APC 2023.
[C30] Sameer Ahmad Mir, Lakshmi Narayanan Venkatasubramani, Sreeraj SJ, Liam Barry, David Koilpillai, Deepa Venkitesh "Kerr Nonlinearity Tolerance with Reference Constellation Adaptation" in CLEO Europe 2023.
[C29] Devika Dass, Lakshmi Narayanan Venkatasubramani, Liam Barry, Chris Roeloffzen and Colm Browning, "SiP based Hybrid Digital and Analog RoF mmWave 5G Transmission for Converged Optical Access Networks", in CLEO US 2023.
[C28] Sameer Ahmad Mir, Chuang Xu, Qirui Fan, Lakshmi Narayanan Venkatasubramani, Liam Barry, Alan Pak Tao Lau, Deepa Venkitesh, "Symbol Rate Tolerance of Geometric Parameter Extraction-based Receiver IQ imbalance Correction" in CLEO US 2023.
[C27] Venkatasubramani, L.N., et.al "100 Gbps/λ Transmission with Quantum Dot O-Band Comb Source using 50 GBd PAM4/16QAM-OFDM Signals" OFC 2023. [link to document]
[C26] Jain, G., Andreou, S., McGuinness, C., Gutierrez-Pascual, M.D., Troncoso-Costas, M., Venkatasubramani, L.N., Barry, L.P., Augustin, L., Smyth, F. and Duggan, S., "Widely tunable C-band laser and module with nanosecond tuning and narrow linewidth", Vol. 12424, pp. 339-345, SPIE Photonics West 2023.
2022
[C25] Chaudhuri, R.B, Haixuan, Xu,V enkatasubramani, L.N, Browning, Colm, Delmade, Amol, Barry, Liam "Optical Heterodyning with FP Laser based Comb Source for 65 GHz MMW Generation" IPC 2023. [link to document]
[C24] Venkatasubramani, L.N., et.al "Wideband QAM-OFDM with Hybrid Integrated InP-Si3N4 Tunable Laser Source for Short-reach Systems" ECOC 2022. [link to document]
[C23] Venkatasubramani, L.N., Chaudhuri, R.B., Barry, L, "Demonstration of 92 Gbps/λ PAM4 with Free running Fabry-Perot Laser for DCI Applications" in APC 2022. [link to document]
[C22] Mir, S.A., Venkatasubramani, L.N., Koilpillai, R.D. and Venkitesh, D., 2022, March "Adaptive Referencing Multitap Filter for TX-IQ Imbalance and Residual ISI Tolerance", In APC 2022. [link to document]
[C21] Venkatasubramani, L.N., Chaudhuri, R.B., Barry, L, "Direct and Externally Modulated Fabry-Perot Laser for THz Bandwidth Frequency Comb Generation" in Photonics North 2022. [link to document]
[C20] Mir, S.A., Venkatasubramani, L.N., Koilpillai, R.D. and Venkitesh, D., 2022, March "Geometric Parameter Extraction-based Receiver IQ imbalance correction for MQAM systems", In CLEO US 2022. [link to document]
C[19] Venkatasubramani, L.N., Koilpillai, R.D. and Venkitesh, D. "Experimental Demonstration of Quasi-Nyquist 1.024 Tbps Superchannel with 7.1 b/s/Hz Spectral Efficiency." In IEEE WRAP 2022. [link to document]
[C18] Muralekrishnan, R., Venkatasubramani, L. N., Mir, S. A., & Venkitesh, D, " Influence of sub-system non-idealities on the performance of Gaussian modulated CV-QKD", In IEEE WRAP 2022. [link to document] [PDF]
[C17] Mir, S.A., Venkatasubramani, L.N., Koilpillai, R.D. and Venkitesh, D., 2022, March "Carrier Phase Recovery Scheme Tolerant to Transmitter IQ Imbalance with Adaptive Constellation Referencing", In IEEE WRAP 2022. [link to document]
2021
[C16] L. N. Venkatasubramani, Y. Lin, C.Browning, A.Vijay, F.Smyth, R. D. Koilpillai, L. P. Barry, D. Venkitesh, “Pilot-free Bayesian Filter for Phase Noise Correction of 64QAM CO-OFDM Superchannel," paper T3B.7, ACP 2022. [link to document]
[C15] A. Kurur, L. N. Venkatasubramani, B. Srinivasan, and D. Venkitesh, “Improved post-processing for coherent heterodyne phase noise measurement at low frequencies," , paper JTu1A.15, Advanced Solid State Lasers/ Laser Congress 2021. [link to document]
[C14] L. N. Venkatasubramani, R. D. Koilpillai and D. Venkitesh, “ Experimental Demonstration of 800 Gbps Superchannel with Electro-optic Modulator Comb Source," XLIV OSI Symposium on Frontiers in Optics and Photonics 2021 (FOP21).
[C13]S. A. Mir, L. N. Venkatasubramani, R. D. Koilpillai and D. Venkitesh, “ Improved Tolerance with Adaptive Referencing of 16/64 QAM Signals Distorted by IQ Modulator Bias Drifts," XLIV OSI Symposium on Frontiers in Optics and Photonics 2021 (FOP21).
[C12] Lakshmi Narayanan Venkatasubramani, Rekha Yadav, David Koilpillai, and Deepa Venkitesh “ IQ SkewTolerance Study of Modified Widely Linear Filter in 400 Gbps PM-16QAM System," Photonics North 2021.
[C11] Rekha Yadav, Lakshmi Narayanan Venkatasubramani, David Koilpillai, and Deepa Venkitesh "Modified Widely Linear Filter for Simultaneous Multi-impairment Compensation" paper SF2D.3, CLEO US 2021. [link to document]
2020
[C10] Manas Srivastava, Lakshmi Narayanan Venkatasubramani, Balaji Srinivasan, and Deepa Venkitesh " Performance Analysis of All-Optical Clock Recovery for QPSK and 16QAM Signals," SpM2I.4, in SPPCOM, ACP 2020.
[C9] Lakshmi Narayanan Venkatasubramani, Yi Lin, Colm Browning, Anirudh Vijay, Frank Smyth, R. David Koilpillai, Liam P Barry and Deepa Venkitesh " Demonstration of 608 Gbps CO-OFDM Transmission using Gain Switched Comb," JTu2E.9, in CLEO US 2020.
2019
[C8] Manas Srivastava, Lakshmi Narayanan V, Balaji Srinivasan, and Deepa Venkitesh " Demonstration of all-optical clock recovery from NRZ-PM-QPSK and PM-16QAM signals," in CLEO US 2019.
[C7] Aneesh Sobhanan, Lakshmi Narayanan V, R David Koilpillai, and Deepa Venkitesh " Influence of Polarization Transformation in Phase Conjugation of PM-QPSK in Nonlinear SOAs," in CLEO US 2019.
[C6] Manas Srivastava, Lakshmi Narayanan V, Balaji Srinivasan, and Deepa Venkitesh " All-optical clock recovery from advanced modulation formats through injection-locking of fiber laser," in URSI AP-RASC 2019. (Invited)
[C5] Aneesh Sobhanan, Karthik Vijay, Lakshmi Narayanan V, R David Koilpillai, and Deepa Venkitesh “ Experimental Analysis of Noise Transfer in Optical Phase Conjugation Process in Nonlinear SOA," in OFC 2019.
2018
[C4] Lakshmi Narayanan V, Aneesh Sobhanan, Deepa Venitesh, and R David Koilpillai, “ 400 Gbps PM-QPSK Transmission for Metro-DCI Applications Employing 20 Gbaud Transmitter," in FiO/LS 2018.
[C3] Aneesh Sobhanan, Lakshmi Narayanan V, R David Koilpillai, and Deepa Venkitesh, “ Polarization Insensitive Phase Conjugation Using Single-pump Four-Wave Mixing in SOA," CLEO Pacific-Rim 2018.
2016
[C2] Smaranika Swain, Lakshmi Narayanan V et al., "Improved Timing Synchronization for Long-Haul Transmission at 100 Gbps Over 80 WDM Channels", International Conference on Fibre Optics and Photonics, 2016.
2014
[C1] Lakshmi Narayanan V, Dinesh Kumar S, Vivek Kumar K, Aarthi V, Ponny KM and P Sudheesh, “Basis Expansion Model for Low Complex Channel Estimation for MIMO-OFDM Systems”. National Conference on Recent Trends in Communication and Signal Processing (RTCSP 2014), ISBN :978 81 92121147, P 35-37.
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