Real-time digital signal processing for new wavelength-to-the-user optical access networks

S Ghasemi - 2019 - upcommons.upc.edu
Nowadays, optical access networks provide high capacity to end users with growing
availability of multimedia contents that can be streamed to fixed or mobile devices. In this …

Advanced Digital Signal Processing for Flexible Optical Access Networks

RM da Silva Ferreira - 2017 - search.proquest.com
Demand by bandwidth in the optical access networks (OANs) are increasing significantly,
since services from the mobile backhaul to the fixed Internet end-user require increasingly …

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 …

Digital signal processing for coherent UDWDM passive optical networks

JK Fischer, R Elschner, F Frey, J Hilt… - … Networks; 15. ITG …, 2014 - ieeexplore.ieee.org
In this contribution, we discuss digital signal processing (DSP) options for coherent ultra-
dense wavelength-division multiplexing (UDWDM) passive optical networks (PON). In …

25 Gbit/s per user coherent all-optical OFDM for Tbit/s-capable PONs

J Morosi, J Hoxha, P Martelli, P Parolari… - Journal of Optical …, 2016 - opg.optica.org
We propose and test a coherent all-optical orthogonal frequency-division multiplexing (AO-
OFDM) system, based on all-optical (de) multiplexing and coherent detection, for multiterabit …

Coherent ultra-dense WDM-PON enabled by complexity-reduced digital transceivers

JA Tabares, S Ghasemi, JC Velásquez… - Journal of Lightwave …, 2020 - opg.optica.org
Coherent technologies, along with digital signal processing (DSP), have revolutionized
optical communication systems, significantly increasing the capacity of the fiber channel …

Demonstration of 100-Gb/s/λ-based coherent WDM-PON system using new AGC EDFA based upstream preamplifier and optically superimposed AMCC function

N Suzuki, S Yoshima, H Miura… - Journal of Lightwave …, 2016 - ieeexplore.ieee.org
In this paper, we present the first 100-Gb/s/λ-based coherent wavelength division
multiplexing passive optical network (WDM-PON) prototype system, highlighting a real-time …

Scalable and spectrally efficient long-reach optical access networks employing frequency interleaved directly detected optical OFDM

L Mehedy, M Bakaul, A Nirmalathas… - Journal of Optical …, 2011 - opg.optica.org
Extending the reach of traditional passive optical networks (PONs) to 100 km and increasing
the split ratio beyond 1: 64 are promising solutions in future optical access networks. These …

Comparison of Low Complexity Coherent Receivers for UDWDM-PONs (-to-the-User)

MS Erkılınç, D Lavery, K Shi, BC Thomsen… - Journal of Lightwave …, 2018 - opg.optica.org
It is predicted that demand in future optical access networks will reach multigigabit/s per
user. However, the limited performance of the direct detection receiver technology currently …

Orthogonal Frequency Division Multiplexed Access for Passive Optical Networks: a hands-on training approach

Á Peralta Gallardo - 2012 - upcommons.upc.edu
[ANGLÈS] Research activities for new alternatives in ultra fast transmission over optical fiber
networks are looking towards Orthogonal Frequency Division Multiplexing (OFDM) which is …