Publications

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2023
[J9] Resource Allocation in Multicore Elastic Optical Networks: A Deep Reinforcement Learning Approach.
Juan Pinto-Ríos, Felipe Calderón, Ariel Leiva, Gabriel Hermosilla, Alejandra Beghelli, Danilo Bórquez-Paredes, Astrid Lozada, Nicolás Jara, Ricardo Olivares, and Gabriel Saavedra.
Complexity.
2022
[J8] PDF Agent-based distributed protocol for resource discovery and allocation of virtual networks over elastic optical networks.
Danilo B\'{o}rquez-Paredes, Alejandra Beghelli, Ariel Leiva, Nicol\'{a}s Jara, Astrid Lozada, Patricia Morales, Gabriel Saavedra, and Ricardo Olivares.
J. Opt. Commun. Netw. 14(8).
[J7] Heuristic Approaches for Dynamic Provisioning in Multi-Band Elastic Optical Networks.
F. Calderón, A. Lozada, P. Morales, D. Bórquez-Paredes, N. Jara, R. Olivares, G. Saavedra, A. Beghelli, and A. Leiva.
IEEE Communications Letters 26(2).
[web]
2021
[J6] PDF Impact of Amplification and Regeneration Schemes on the Blocking Performance and Energy Consumption of Wide-Area Elastic Optical Networks.
Astrid Lozada, Felipe Calderón, José Núñez Kasaneva, Danilo Bórquez-Paredes, Ricardo Olivares, Alejandra Beghelli, Nicolás Jara, Ariel Leiva, and Gabriel Saavedra.
IEEE Access.
[web]
[J5] PDF Improving the Performance of SDM-EON Through Demand Prioritization: A Comprehensive Analysis.
Patricia Morales, Astrid Lozada, Danilo Bórquez-Paredes, Ricardo Olivares, Gabriel Saavedra, Ariel Leiva, Alejandra Beghelli, and Nicolás Jara.
IEEE Access.
[web]
2020
[J4] PDF BER-Adaptive RMLSA Algorithm for Wide-Area Flexible Optical Networks.
F Calderón, A Lozada, D Bórquez-Paredes, R Olivares, E Dávalos, G Saavedra, N Jara, and A Leiva.
IEEE Access.
[web]
2018
[J3] Does Fragmentation Avoidance Improve the Performance of Dynamic Spectrum Allocation in Elastic Optical Networks?.
Danilo Bórquez-Paredes, Alejandra Beghelli, Ariel Leiva, and Ruth Murrugarra.
Photonic Netw. Commun. 35(3).
[web]
2015
[J2] A Joint RSA Algorithm for Dynamic Flexible Optical Networking.
Ariel Leiva, Nicolas Pavez, Alejandra Beghelli, and Ricardo Olivares.
IEEE Latin America Transactions 13(11).
[web]
2013
[J1] Migration cost analysis for upgrading WDM networks.
Ariel Leiva, Carmen Mas Machuca, Alejandra Beghelli, and Ricardo Olivares.
IEEE Communications Magazine 51(11).
[web]
2022
[C17] Dynamic resource allocation in different ultrawideband optical network topologies.
F. Calderón, D. Bórquez-Paredes, N. Jara, R. Olivares, A. Leiva, A. Beghelli, and G. Saavedra.
2022 IEEE Photonics Society Summer Topicals Meeting Series (SUM).
2021
[C16] Multi-band Environments for Optical Reinforcement Learning Gym for Resource Allocation in Elastic Optical Networks.
Patricia Morales, Patricia Franco, Astrid Lozada, Nicolás Jara, Felipe Calderón, Juan Pinto-Ríos, and Ariel Leiva.
2021 International Conference on Optical Network Design and Modeling (ONDM).
[web]
[C15] Multi-band provisioning in dynamic elastic optical networks: a comparative study of a heuristic and a deep reinforcement learning approach.
Nour El Din El Sheikh, Esteban Paz, Juan Pinto, and Alejandra Beghelli.
2021 International Conference on Optical Network Design and Modeling (ONDM).
[web]
[C14] Impact of stimulated Raman scattering on ultrawideband systems.
Esteban Paz and Gabriel Saavedra.
2021 IEEE Photonics Society Summer Topicals Meeting Series (SUM).
[web]
2020
[C13] On sorting transmission demands in Elastic Optical Networks with Spatial-Division Multiplexing.
D. Hernández, P. Morales, A. Lozada, R. Olivares, and N. Jara.
2020 39th International Conference of the Chilean Computer Science Society (SCCC).
[web]
[C12] Fragmentation-aware spectrum assignment strategies for elastic optical networks with static operation.
J. Bermúdez, A. Lozada, R. Olivares, and N. Jara.
2020 39th International Conference of the Chilean Computer Science Society (SCCC).
[web]
[C11] 3R Regeneration in Elastic Optical Networks and its Impact on the Network Quality of Service.
D. Bórquez-Paredes, F. Calderón, N. Jara, A. Leiva, A. Lozada, R. Olivares, and G. Saavedra.
2020 22nd International Conference on Transparent Optical Networks (ICTON).
[web]
2019
[C10] Impact of BER thresholdover Blocking Probability of a RMLSA Method for Wide Area Flexible Optical Networks.
Felipe Calderón, Ariel Leiva, Ricardo Olivares, Nicolás Jara, Astrid Lozada, and Enrique Dávalos.
XIII Latin-American Congress On Electricity Generation and Transmission - CLAGTEE 2019.
2017
[C9] A RMLSA algorithm with modulation format conversion at intermediate nodes.
César Garrido, Ariel Leiva, and Alejandra Beghelli.
2017 19th International Conference on Transparent Optical Networks (ICTON).
[web]
2016
[C8] Virtual network allocation in elastic optical networks.
D. Bórquez-Paredes, A. Beghelli, and A. Leiva.
Optics InfoBase Conference Papers.
[web]
[C7] Behavior evaluation of dynamic flexible wavelength allocation algorithms by Markovian and simulation-based analysis.
Danilo Bórquez-Paredes, Alejandra Beghelli, Ruth Murrugarra, and Ariel Leiva.
Complex Systems Conference 2016.
[web]
[C6] Routing, code, modulation level and spectrum assignment (RCMLSA) algorithm for elastic optical networks.
Demicio Garrido, Ariel Leiva, Alejandra Beghelli, Robert Ahumada, and Ricardo Olivares.
2016 18th International Conference on Transparent Optical Networks (ICTON).
[web]
2015
[C5] Deadlock-Avoiding vs. greedy spectrum allocation algorithms in dynamic flexible optical networks.
Danilo Borquez, Alejandra Beghelli, and Ariel Leiva.
2015 17th International Conference on Transparent Optical Networks (ICTON).
[web]
[C4] Generic techno-economic evaluation methodology: the case of migration to flexible grid networks.
A. Leiva, A. Beghelli, C. Mas Machuca, R. Olivares, M. Saavedra, and R. Ahumada.
2015 Conference of Telecommunication, Media and Internet Techno-Economics (CTTE).
[web]
[C3] A sub-graph mapping-based algorithm for virtual network allocation over flexible grid networks.
Angelo González, Eduardo Barra, Alejandra Beghelli, and Ariel Leiva.
2015 17th International Conference on Transparent Optical Networks (ICTON).
[web]
2014
[C2] A joint RSA algorithm for dynamic flexible optical networking.
A. Leiva, N. Pavez, A. Beghelli, and R. Olivares.
2014 IEEE Latin-America Conference on Communications (LATINCOM).
[web]
[C1] Overview of virtual network allocation algorithms over flexible optical networks.
Danilo Bórquez-Paredes, Alejandra Beghelli, and Ariel Leiva.
XV International Conference on Telecommunications, SENACITEL 2014.
2017
[BC1] PDF Network Virtualization Over Elastic Optical Networks: A Survey of Allocation Algorithms.
Danilo Bórquez-Paredes, Alejandra Beghelli, and Ariel Leiva.
Optical Fiber and Wireless Communications.
[web]
2023
PDF Analysis of the Characteristics and Speed of Spread of the “FUNA” on Twitter.
Sebastián Moreno, Danilo Bórquez-Paredes, and Valentina Martínez.

2021
A bandwidth balance routing approach for saving network capacity in static elastic optical networks.
Jorge Berm{\'u}dez Cede{\~n}o, Reinaldo Vallejos, and Nicol{\'a}s Jara.
2021 IEEE 22nd International Conference on High Performance Switching and Routing (HPSR).
2020
How much the wavelength dimensioning methods and a tightened QoS provision impact on the dynamic WDM optical networks capacity?.
Nicolás Jara, Hermann Pempelfort, Gerardo Rubino, and Reinaldo Vallejos.

A Fault-Tolerance Solution to Any Set of Failure Scenarios on Dynamic WDM Optical Networks With Wavelength Continuity Constraints.
Nicolas Jara, Hermann Pempelfort, Gerardo Rubino, and Reinaldo Vallejos.

Survivability in Optical Networks: A Solution for the Wavelength Continuity Constraint Case.
Nicolas Jara, Hermann Pempelfort, Gerardo Rubino, and Reinaldo Vallejos.
9th Latin-American Symposium On Dependable Computing - LADC 2019.
2019
Volterra-assisted Optical Phase Conjugation: an Hybrid Optical-Digital Scheme For Fibre Nonlinearity Compensation.
Gabriel Saavedra, Gabriele Liga, and P. Bayvel.

A Comparison of Impairment Abstractions by Multiple Users of an Installed Fiber Infrastructure.
D. J. Ives, S. Yan, L. Galdino, D. J. Elson, F. J. Vaquero-Caballero, G. Saavedra, R. Wang, D. Lavery, R. Nejabati, P. Bayvel, D. Simeonidou, and S. J. Savory.
Optical Fiber Communication Conference (OFC) 2019.
Quality of service provision in dynamic WDM optical network with wavelength continuity constraints.
J. Salazar {N. Jara, H. Pempelfort} and R. Vallejos.
2019 INFORMS ALIO international conference.
Analytical method for dimensioning dynamic WDM optical network.
J. Mart{\'{i}}nez {M. Barr{\'{i}}a, R. Vallejos} and N. Jara.
2019 INFORMS ALIO international conference.
A routing and spectrum allocation solution for elastic optical networks with static network operation.
R. Vallejos. {N. Jara, J. Salazar}.
2019 INFORMS ALIO international conference.
A spiral approach to solve the routing and spectrum assignment problem in ring topologies for elastic optical networks.
Nicolas Jara, Jesenia Salazar, and Reinaldo Vallejos.
SIMULTECH 2019 - Proceedings of the 9th International Conference on Simulation and Modeling Methodologies, Technologies and Applications.
2018
The Trade-Off between Tranceiver Capacity and Symbol Rate.
Lidia Galdino, Domani{\c{c}} Lavery, Zhixin Liu, Katarzyna Balakier, Eric Sillekens, Daniel Elson, Gabriel Saavedra, Robert Killey, and Polina Bayvel.
Optical Fiber Communication Conference.
Inter-channel stimulated Raman scattering and its impact in wideband transmission systems.
Gabriel Saavedra, Daniel Semrau, Mingming Tan, Md A Iqbal, DJ Elson, Lidia Galdino, Paul Harper, RI Killey, and Polina Bayvel.
2018 Optical Fiber Communications Conference and Exposition (OFC).
448-Gb/s PAM4 Transmission Over 300-km SMF-28 Without Dispersion Compensation Fiber.
Zhixin Liu, Tianhua Xu, Gabriel Saavedra, and Polina Bayvel.
Optical Fiber Communication Conference.
Optical Phase Conjugation in Installed Optical Networks.
Gabriel Saavedra, Yujia Sun, KRH Bottrill, Lidia Galdino, F Parmigiani, Z Liu, David J Richardson, Periklis Petropoulos, RI Killey, and Polina Bayvel.
2018 Optical Fiber Communications Conference and Exposition (OFC).
Combining Optical Phase Conjugation and Volterra Equalisation: a Novel Nonlinearity Compensation Scheme.
Gabriele Liga, Gabriel Saavedra, and Polina Bayvel.
Optical Communication (ECOC), 2018 European Conference on.
Software para análisis y dise\~no de redes ópticas WDM.
H. Pempelfort {J. Araya, M. Barr{\'{i}}a, N. Jara, J. Olavarr{\'{i}}a} and R. Vallejos.
XIX Latin-Iberoamerican Conference on Operations Research - CLAIO 2018.
2017
On the limits of digital back-propagation in the presence of transceiver noise.
Lidia Galdino, Daniel Semrau, Domani{\c{c}} Lavery, Gabriel Saavedra, Cristian B Czegledi, Erik Agrell, Robert I Killey, and Polina Bayvel.

Digital back-propagation for nonlinearity mitigation in distributed Raman amplified links.
Gabriel Saavedra, Daniel Semrau, Lidia Galdino, Robert I Killey, and Polina Bayvel.

A simplified dual-carrier DP-64QAM 1 Tb/s transceiver.
David S Millar, Lidia Galdino, Robert Maher, Milutin Pajovic, Toshiaki Koike-Akino, Gabriel Saavedra, Daniel J Elson, Domani{\c{c}} Lavery, Kai Shi, M Sezer Erkilinc, Eric Sillekens, Robert I Killey, Benn C Thomsen, Keisuke Kojima, Kieran Parsons, and Polina Bayvel.
Optical Fiber Communications Conference and Exhibition (OFC), 2017.
Experimental investigation of nonlinear signal distortions in ultra-wideband transmission systems.
Gabriel Saavedra, M Tan, DJ Elson, L Galdino, D Semrau, Md A Iqbal, ID Phillips, P Harper, N Mac Suibhne, AD Ellis, D Lavery, B. C. Thomsen, R. I. Killey, and P. Bayvel.
Optical Fiber Communication Conference.
Investigation of bandwidth loading in optical fibre transmission using amplified spontaneous emission noise.
Daniel J Elson, Gabriel Saavedra, Kai Shi, Daniel Semrau, Lidia Galdino, Robert Killey, Benn C Thomsen, and Polina Bayvel.

A closed-form expression to evaluate nonlinear interference in raman-amplified links.
Daniel Semrau, Gabriel Saavedra, Domani{\c{c}} Lavery, Robert I Killey, and Polina Bayvel.

Experimental analysis of nonlinear impairments in fibre optic transmission systems up to 7.3 THz.
Gabriel Saavedra, Mingming Tan, Daniel J Elson, Lidia Galdino, Daniel Semrau, Md A Iqbal, Ian D Phillips, Paul Harper, Andrew Ellis, Benn C D. Lavery Thomsen, R. I. Killey, and P. Bayvel.

Digital Back-Propagation Performance in Wideband Optical Fibre Transmission Systems.
Lidia Galdino, Gabriel Saavedra, Daniel Semrau, Daniel J Elson, Domanic Lavery, Mingming Tan, Md Asif Iqbal, Paul Harper, Robert I Killey, and Polina Bayvel.
Optical Communication (ECOC), 2017 European Conference on.
Alternate paths for multiple fault tolerance on Dynamic WDM Optical Networks.
N. Jara, G. Rubino, and R. Vallejos.
IEEE International Conference on High Performance Switching and Routing, HPSR.
Blocking Evaluation and Wavelength Dimensioning of Dynamic WDM Networks Without Wavelength Conversion.
Nicolás Jara, Reinaldo Vallejos, and Gerardo Rubino.

A method for joint routing, wavelength dimensioning and fault tolerance for any set of simultaneous failures on dynamic WDM optical networks.
Nicolás Jara, Reinaldo Vallejos, and Gerardo Rubino.

2016
Routing and spectrum assignment for elastic, static, and without conversion optical networks with ring topology.
C Meza, N Jara, V M Albornoz, and R Vallejos.
2016 35th International Conference of the Chilean Computer Science Society (SCCC).
4 Tb/s transmission reach enhancement using 10$\times$ 400 Gb/s super-channels and polarization insensitive dual band optical phase conjugation.
Andrew D Ellis, Mingming Tan, Md Asif Iqbal, Mohammad Ahmad Zaki Al-Khateeb, Vladimir Gordienko, Gabriel Saavedra Mondaca, Simon Fabbri, Marc FC Stephens, Mary E McCarthy, Andreas Perentos, Ian David Phillips, D. Lavery, Gabriele Liga, Robert Maher, Paul Harper, Nick Doran, Sergei K Turitsyn, Stylianos Sygletos, and Polina Bayvel.

Experimental demonstration of modulation-dependent nonlinear interference in optical fibre communication.
Lidia Galdino, Gabriele Liga, Gabriel Saavedra, David Ives, Robert Maher, Alex Alvarado, Seb Savory, Robert Killey, and Polina Bayvel.
ECOC 2016; 42nd European Conference on Optical Communication; Proceedings of.
Achievable information rates estimation for 100-nm Raman-amplified optical transmission system.
Nikita A Shevchenko, Tianhua Xu, Daniel Semrau, Gabriel Saavedra, Gabriele Liga, Milen Paskov, Lidia Galdino, Alex Alvarado, Robert I Killey, and Polina Bayvel.
ECOC 2016; 42nd European Conference on Optical Communication; Proceedings of.
Blocking evaluation of dynamic WDM networks without wavelength conversion.
Reinaldo {Jara, Nicolas; Rubino, Gerardo; Vallejos}, Nicolas Jara, Reinaldo Vallejos, and Gerardo Rubino.
11{\`{e}}me Atelier en Evaluation de Performances.
Blocking evaluation and analysis of dynamic WDM networks under heterogeneous ON/OFF traffic.
R. Vallejos, J. Olavarr{\'{i}}a, and N. Jara.

2015
Postselection-Loophole-Free Bell Test Over an Installed Optical Fiber Network.
Gonzalo Carvacho, Jaime Carine, Gabriel Saavedra, {\'A}lvaro Cuevas, Jorge Fuenzalida, Felipe Toledo, Miguel Figueroa, Ad{\'a}n Cabello, Jan-{\AA}ke Larsson, Paolo Mataloni, Gustavo Lima, and Guilherme B Xavier.

Enhanced superchannel transmission using phase conjugation.
AD Ellis, ID Phillips, M Tan, MFC Stephens, ME McCarthy, MAZ Al Kahteeb, MA Iqbal, A Perentos, S Fabbri, V Gordienko, D Lavery, D Liga, G. Saavedra, R Maher, S Sygletos, P Harper, NJ Doran, P Bayvel, and SK Turitsyn.
Optical Communication (ECOC), 2015 European Conference on.