Analysis of transmission impairments on Terabit aggregate PONs. - Jacklyn D. Reis; Ali Shahpari; Ricardo Ferreira; Fernando P. Guiomar; Darlene M. Neves; Armando N. Pinto; António L. J. Teixeira (OFC/NFOEC, 2013)

Terabit+ (192 × 10 Gb/s) Nyquist shaped UDWDM coherent PON with upstream and downstream over a 12.8 nm band. - Ali Shahpari; Jacklyn D. Reis; Ricardo Ferreira; Darlene M. Neves; Mário J. N. Lima; António L. J. Teixeira (OFC/NFOEC, 2013)

Spectral management in flexible multiwavelength PONs. - António Luis Jesus Teixeira; Ali Shahpari; Jacklyn D. Reis; Mário J. N. Lima (OFC/NFOEC, 2013)

Efficient dynamic wideband model for reflective semiconductor optical amplifier. - Zoran Vujicic; Natasa B. Pavlovic; Ali Shahpari; António Teixeira 002 (OFC/NFOEC, 2013)

Impact of TWDM on optional real-time QPSK WDM channels. - Ricardo M. Ferreira; Ali Shahpari; Sofia B. Amado; Pedro Costa; Fernando P. Guiomar; Armando N. Pinto; António L. J. Teixeira (ECOC, 2014)

Free space optics hybrid PTMP advanced modulation bidirectional PON. - Ali Shahpari; Ricardo Ferreira; Vítor Ribeiro 001; Zoran Vujicic; Ana Tavares; Somayeh Ziaie; Artur Sousa; Fernando P. Guiomar; Mário J. N. Lima; Armando N. Pinto; António L. J. Teixeira (ECOC, 2014)

Digital equalization of optical nonlinearities in very high-speed optical communication systems. - Armando N. Pinto; Fernando P. Guiomar; Sofia B. Amado; Somayeh Ziaie; Ali Shahpari; Ricardo Ferreira; Nelson J. Muga; António L. J. Teixeira (ICTON, 2014)

Flexible access networks. - António L. J. Teixeira; Ali Shahpari; Jacklyn D. Reis; Ricardo Ferreira (ICTON, 2014)

Nyquist signaling for spectrally-efficient optical access networks. - Jacklyn D. Reis; Ali Shahpari; Ricardo Ferreira; Darlene M. Neves; Mário J. N. Lima; António L. J. Teixeira (OFC, 2014)

Dowstream and upstream Nyquist band optimization for heterodyne coherent PON. - Jacklyn D. Reis; Ali Shahpari; Ricardo Ferreira; Darlene M. Neves; Mário J. N. Lima; António L. J. Teixeira (OFC, 2014)

Fully coherent self- homodyne bi-directional enhanced performance PON. - Ali Shahpari; Ruben S. Luís; Jacklyn D. Reis; Rute A. S. Ferreira; Zoran Vujicic; Jose Manuel Delgado Mendinueta; Mário J. N. Lima; Naoya Wada; António L. J. Teixeira (OFC, 2014)

Field-trial of a real-time bidirectional UDWDM-PON coexisting with GPON, RF video overlay and NG-PON2 systems. - Ricardo M. Ferreira; Ali Shahpari; Fernando P. Guiomar; Sofia B. Amado; Cláudio Rodrigues; Jacklyn D. Reis; Armando N. Pinto; António L. J. Teixeira (ECOC, 2015)

Experimental demonstration of interchannel FWM mitigation on coherent bidirectional UDWDM networks. - Jacklyn D. Reis; Sandro M. Rossi; Andrea Chiuchiarelli; Ricardo M. Ferreira; Victor E. Parahyba; Ali Shahpari; António L. J. Teixeira; Juliano R. F. Oliveira (ECOC, 2015)

Multiple system configuration for next generation optical access networks with real-time Nyquist UDWDM-PON. - Ali Shahpari; Ricardo M. Ferreira; Somayeh Ziaie; Zoran Vujicic; Jacklyn D. Reis; Juliano R. F. Oliveira; António L. J. Teixeira (ECOC, 2015)

Optimizing polarization related dynamic equalization in coherent optical communications. - Nelson J. Muga; Somayeh Ziaie; Ali Shahpari; Fernando P. Guiomar; Armando N. Pinto (ICTON, 2015)

Demonstration of Nyquist UDWDM-PON with digital signal processing in real-time. - Ricardo M. Ferreira; Jacklyn D. Reis; Sandro M. Rossi; Sofia B. Amado; Ali Shahpari; Neil Guerrero González; Juliano R. F. Oliveira; Armando N. Pinto; António L. J. Teixeira (OFC, 2015)

Bidirectional coherent WDM-PON performance with real-time Nyquist 16QAM transmitter. - Jacklyn D. Reis; Ricardo M. Ferreira; Sandro M. Rossi; Gabriel J. Suzigan; Thyago M. S. Pinto; Ali Shahpari; António L. J. Teixeira; Neil Guerrero González; Juliano R. F. Oliveira (OFC, 2015)

Optimization criteria for coherent PONs with video overlay and hybrid ODN. - Ali Shahpari; Rute A. S. Ferreira; A. Sousa; Vítor Ribeiro 001; Jacklyn D. Reis; Mário J. N. Lima; António L. J. Teixeira (OFC, 2015)

Performance Optimization of Nyquist Signaling for Spectrally Efficient Optical Access Networks [Invited]. - Jacklyn D. Reis; Ali Shahpari; Ricardo Ferreira; Darlene M. Neves; Mário J. N. Lima; António L. J. Teixeira (JOCN, 2015)

Spectrally Efficient Enhanced-Performance Bidirectional Coherent PON With Laserless 10 Gb/s ONU [Invited]. - Ali Shahpari; Ruben S. Luís; Vítor Ribeiro 001; Jacklyn D. Reis; Ricardo Ferreira; Jose Manuel Delgado Mendinueta; Zoran Vujicic; Benjamin J. Puttnam; Mário J. N. Lima; Naoya Wada; António Teixeira 002 (JOCN, 2015)

Using the Stokes space for equalization of polarization impairments in digital coherent optical receivers. - Nelson J. Muga; Somayeh Ziaie; Ali Shahpari; Armando N. Pinto (ICTON, 2016)

Optical transforms and CGH for SDM systems. - Cátia Pinho; Ali Shahpari; Isiaka A. Alimi; Mário J. N. Lima; António L. J. Teixeira (ICTON, 2016)

Considerations on performance, cost and power consumption of candidate 100G EPON architectures. - Zoran Vujicic; Ali Shahpari; Berta Neto; Natasa B. Pavlovic; Álvaro Almeida; Ana Tavares; M. Ribeiro; Somayeh Ziaie; R. Ferreira; R. Bastos; António Teixeira 002 (ICTON, 2016)

Experimental demonstration of selective core coupling in multicore fibers of a 200 Gb/s DP-16QAM signal. - Telmo Almeida; Ali Shahpari; Ana M. Rocha 001; Ricardo Oliveira 003; Fernando P. Guiomar; Armando N. Pinto; António Teixeira 002; Paulo S. André; Rogério Nogueira (OFC, 2016)

Hardware optimization for carrier recovery based on Mth power schemes. - Ricardo M. Ferreira; Ali Shahpari; Fernando P. Guiomar; Sofia B. Amado; Miguel Drummond; Jacklyn D. Reis; Armando N. Pinto; António L. J. Teixeira (OFC, 2016)

Coherent access. - António Teixeira 002; Ali Shahpari; Ricardo Ferreira; Fernando P. Guiomar; Jacklyn D. Reis (OFC, 2016)

Impairment Assessment due to Raman Crosstalk in Coexistence of Coherent UDWDM-PON with GPON Technologies. - Berta Neto; Ali Shahpari; Zoran Vujicic; André Barros; João Pinho; Natasa B. Pavlovic; António L. J. Teixeira (ECOC, 2017)

Coherent UDWDM Transceivers Based on Adaptive Stokes Space Polarization Demultiplexing in Real-Time. - Somayeh Ziaie; Ricardo M. Ferreira; Nelson J. Muga; Fernando P. Guiomar; Ali Shahpari; António Teixeira 002; Armando N. Pinto (ECOC, 2017)

Performance assessment of a QPSK coherent demodulator based on organic-inorganic hybrids. - A. R. N. Bastos; Ali Shahpari; Luis D. Carlos; Mário J. N. Lima; Paulo S. André; Rute A. S. Ferreira (ICTON, 2017)

Real-time demonstration of low-complexity time-domain chromatic dispersion equalization. - Celestino Sanches Martins; Sofia B. Amado; Ricardo M. Ferreira; Ali Shahpari; António L. J. Teixeira; Fernando P. Guiomar; Armando N. Pinto (ICTON, 2017)

InP MMI based polarization splitter for Photonic Integrated Circuits. - Tiago Morgado; Francisco Rodrigues; Ali Shahpari; Berta Neto; Cátia Pinho; Mário J. N. Lima; António Teixeira 002 (ICTON, 2017)

Advanced digital signal processing techniques based on Stokes space analysis for high-capacity coherent optical systems. - Nelson J. Muga; Gil M. Fernandes; Somayeh Ziaie; Ricardo M. Ferreira; Ali Shahpari; António L. J. Teixeira; Armando N. Pinto (ICTON, 2017)

Coexistence of TWDM-PON and multi RF/IF over fiber system: Experimental demonstration. - Rosinei S. Oliveira; Eduardo F. J. Silva; Ulisses W. C. Costa; Ricardo Ferreira; Ali Shahpari; João C. W. A. Costa; António L. J. Teixeira (ICTON, 2017)

Design and characterization of an optical chip for data compression based on haar wavelet transform. - Cátia Pinho; Ana Tavares; Guilherme Cabral; Tiago Morgado; Ali Shahpari; Mário J. N. Lima; António Teixeira 002 (OFC, 2017)

Adaptive stokes space based polarization demultiplexing for flexible UDWDM metro-access networks. - Somayeh Ziaie; Nelson J. Muga; Ricardo M. Ferreira; Fernando P. Guiomar; Ali Shahpari; António L. J. Teixeira; Armando N. Pinto (OFC, 2017)

Net 100 Gb/s/λ VCSEL+MMF nonlinear Digital Pre-Distortion using Convolutional Neural Networks. - Leonardo Minelli; Fabrizio Forghieri; Tong Shao; Ali Shahpari; Roberto Gaudino (OFC, 2023)