Journals

IM-DDsystems

• [J1]  Venkatasubramani, Lakshmi Narayanan, et al. "Bandwidth Re-configurable Wideband QAM-OFDM with Hybrid Integrated InP-Si3N4 Tunable Laser Source for Short-reach Systems." Journal of Lightwave Technology, vol. 41, no. 11, pp. 3612-3619, June, 2023.

DSP for coherent optical communication

• [J4] M.T. Costas, G. Jain, Y. Li, M. Patel, L. N. Venkatasubramani, S. O’Duill, F. Smyth, Andrew Ellis, F. D-Otero, C. Browning, Liam Barry, "Experimental demonstration of 480 Gbit/s coherent transmission using a nanosecond switching tuneable laser", Optics Communications, Volume 554, 2024 (DOI: https://doi.org/10.1016/j.optcom.2023.130164).

• [J3]  Mir, S.A., Venkatasubramani, L.N., Koilpillai, R.D. and Venkitesh, D., "Low-complexity Algorithms for Coherent Optical  Systems with Transceiver IQ Imbalance" in Optics Express,31, 30305-30318 (2023).

• [J2] R. Yadav, L. N. Venkatasubramani, R. D. Koilpillai and D. Venkitesh, "Widely Linear Filtering for Multiimpairment Compensation in Dispersion Managed mQAM Modulated Optical Systems," in IEEE Access, vol. 10, pp. 73278-73293, 2022, doi: 10.1109/ACCESS.2022.3188633.

• [J1]L. N. Venkatasubramani, A. Vijay, D. Venkitesh and R. D. Koipillai, "Pilot-free Common Phase Error Estimation for CO-OFDM with Improved Spectral Efficiency," in IEEE Photonics Journal. (doi: 10.1109/JPHOT.2019.2949637 )

Optical Signal Processing for coherent optical communication

• [J4] L. N. Venkatasubramani, A. Sobhanan, A. Vijay,  R. D. Koilpillai and D. Venkitesh " Optical Phase Conjugation using Nonlinear SOA for Nonlinearity and Dispersion Compensation of Coherent Multi-carrier Lightwave Systems ", IEEE Access, (DOI:10.1109/ACCESS.2021.3066264)

• [J3] Manas Srivastava, L. N. Venkatasubramani, Balaji Srinivasan, and Deepa Venkitesh "Nonlinearity-assisted all-optical clock recovery for phase-modulated lightwave systems", IEEE Journal of Selected Topics in Quantum Electronics, vol. 27, no. 2, pp. 1-9, March-April 2021, Art no. 7601109, doi: 10.1109/JSTQE.2020.3032654. 

• [J2] A. Sobhanan, L. N. Venkatasubramani, R. D. Koilpillai, and D. Venkitesh, "Dispersion and Nonlinearity Distortion Compensation of the QPSK/16QAM Signals Using Optical Phase Conjugation in Nonlinear SOAs," in IEEE Photonics Journal, vol. 12, no. 1, pp. 1-7, Feb. 2020, Art no. 7800107. 

• [J1] A. Sobhanan, L. N. Venkatasubramani, R. D. Koilpillai and D. Venkitesh, "Polarization-Insensitive Phase Conjugation of QPSK Signal Using Bragg-Scattering FWM in SOA," in IEEE Photonics Technology Letters, vol. 31, no. 12, pp. 919-922, 15 June 15, 2019. 

Optical Frequency Comb and Applications 

• [J2] Haixuan Xu*, L.N Venkatasubramani*, Chaudhuri, R.B, Browning, Browning C, Barry, Liam  "Fabry-Perot Optical Frequency Comb based mm-Wave RoF System using Pilot-Assisted Equalizer" in Optics Express 31 (19), 30947-30960 (*-Equally contributed).

• [J1]  L. N. Venkatasubramani, Yi Lin, Colm Browning, Anirudh Vijay, Frank Smyth, R. David Koilpillai, Deepa Venkitesh and  Liam P Barry " CO-OFDM for Bandwidth-Reconfigurable Optical Interconnects using Gain-Switched Comb,"  OSA Continuum, Vol. 3, Issue 10, pp. 2925-2934 (2020) (https://doi.org/10.1364/OSAC.404060)