Coherent access: A review

A Shahpari, RM Ferreira, RS Luis, Z Vujicic… - Journal of Lightwave …, 2017 - opg.optica.org
In this paper, we will address the benefits of the coherent detection in future optical access
networks. The scarcity of the optical spectrum, the required flexibility, and constant evolution …

Polarization-insensitive single-balanced photodiode coherent receiver for long-reach WDM-PONs

MS Erkılınç, D Lavery, K Shi, BC Thomsen… - Journal of Lightwave …, 2016 - opg.optica.org
In an access network based on a passive optical network architecture, coherent detection is
attractive since it allows for high receiver sensitivity coupled with inherent frequency …

DSP algorithms for recovering single-carrier Alamouti coded signals for PON applications

MS Faruk, H Louchet, MS Erkılınç, SJ Savory - Optics express, 2016 - opg.optica.org
Alamouti space-time block code (STBC) combined with a simple heterodyne coherent
receiver enables phase diverse coherent detection without any optical polarization tracking …

Joint estimation of dynamic polarization and carrier phase with pilot-based adaptive equalizer in PDM-64 QAM transmission system

J Yang, E Sillekens, W Yi, P Bayvel, RI Killey - Optics Express, 2021 - opg.optica.org
A pilot-based adaptive equalizer is investigated for high cardinality polarization-division-
multiplexing quadrature amplitude modulation transmission systems. Pilot symbols are …

Coherent access: Status and opportunities

MS Faruk, SJ Savory - 2020 IEEE Photonics Society Summer …, 2020 - ieeexplore.ieee.org
Coherent technology has the potential to be a disruptive technology for access networks.
However, deployment of coherent-access remains challenging due to its higher complexity …

Experimental investigation of an optically-superimposed AMCC in 100 Gb/s coherent WDM-PON for 5G mobile fronthaul

S Yoshima, T Katsumata, H Miura… - ECOC 2016; 42nd …, 2016 - ieeexplore.ieee.org
We proposed and demonstrated experimentally a 100 Gb/s coherent WDM-PON for 5G
mobile fronthaul controlled by an AMCC superimposed on the optical signal. The-26 dBm …

Ultra high capacity self-homodyne PON with simplified ONU and burst-mode upstream

RS Luis, A Shahpari, JD Reis, R Ferreira… - IEEE Photonics …, 2014 - ieeexplore.ieee.org
In this letter, we demonstrate a proof of concept fully loaded bidirectional ultrahigh capacity
coherent passive optical network (2× 1008× 8.3 Gb/s). This was achieved using partial …

100 km coherent Nyquist ultradense wavelength division multiplexed passive optical network using a tunable gain-switched comb source

T Shao, R Zhou, V Vujicic… - Journal of Optical …, 2016 - opg.optica.org
We propose and experimentally demonstrate a long-reach Nyquist ultradense wavelength
division multiplexed passive optical network using a tunable optical frequency comb source …

Self-homodyne detection-based fully coherent reflective PON using RSOA and simplified DSP

Z Vujičić, RS Luís, JMD Mendinueta… - IEEE Photonics …, 2015 - ieeexplore.ieee.org
We investigate the power budget of a fully coherent reflective passive optical network, based
on self-coherent upstream (US) and self-homodyne downstream (DS) detection schemes …

Experimental demonstration of a polarization-insensitive self-homodyne detection receiver for optical access

RS Luís, BJ Puttnam, JMD Mendinueta… - 2015 European …, 2015 - ieeexplore.ieee.org
We demonstrate a polarization and phase noise insensitive self-homodyne detection
receiver combining coherent and direct detection receivers with a MISO equalizer. We show …