The Shannon capacity of a point-to-point link with an optimised configuration of optical amplifiers is compared with general detection strategies permitted by quantum mechanics. Results suggest that the primary application area of receivers based on such strategies may be unamplified short-distance links or free-space optical communication.
{"title":"Ultimate capacity limit of a multi-span link with phase-insensitive amplification","authors":"Marcin Jarzyna, R. García-Patrón, K. Banaszek","doi":"10.1049/cp.2019.0742","DOIUrl":"https://doi.org/10.1049/cp.2019.0742","url":null,"abstract":"The Shannon capacity of a point-to-point link with an optimised configuration of optical amplifiers is compared with general detection strategies permitted by quantum mechanics. Results suggest that the primary application area of receivers based on such strategies may be unamplified short-distance links or free-space optical communication.","PeriodicalId":6826,"journal":{"name":"45th European Conference on Optical Communication (ECOC 2019)","volume":"67 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74552517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Florian Azendorf, A. Dochhan, J. Zou, B. Schmauss, M. Eiselt
We measured the latency of a 100 km fibre link using a Correlation OTDR. Improvements over previous results were achieved by increasing the probe signal rate to 10 Gbit/s, using dispersion compensation gratings, and coupling the receiver time base to an external PPS signal.
{"title":"Improvement of accuracy for measurement of 100-km fibre latency with Correlation OTDR","authors":"Florian Azendorf, A. Dochhan, J. Zou, B. Schmauss, M. Eiselt","doi":"10.1049/cp.2019.0901","DOIUrl":"https://doi.org/10.1049/cp.2019.0901","url":null,"abstract":"We measured the latency of a 100 km fibre link using a Correlation OTDR. Improvements over previous results were achieved by increasing the probe signal rate to 10 Gbit/s, using dispersion compensation gratings, and coupling the receiver time base to an external PPS signal.","PeriodicalId":6826,"journal":{"name":"45th European Conference on Optical Communication (ECOC 2019)","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74849554","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Daniel Semrau, L. Galdino, E. Sillekens, D. Lavery, R. Killey, P. Bayvel
A closed-form formula for the nonlinear interference estimation of arbitrary modulation formats in ultra-wideband transmission systems is presented. Enabled by the proposed approach, the formula is applied to the entire S+C+L band (20 THz) and validated by numerical simulations with experimentally measured fibre data.
{"title":"Modulation Format Dependent, Closed-Form Formula for Estimating Nonlinear Interference in S+C+L Band Systems","authors":"Daniel Semrau, L. Galdino, E. Sillekens, D. Lavery, R. Killey, P. Bayvel","doi":"10.1049/cp.2019.0892","DOIUrl":"https://doi.org/10.1049/cp.2019.0892","url":null,"abstract":"A closed-form formula for the nonlinear interference estimation of arbitrary modulation formats in ultra-wideband transmission systems is presented. Enabled by the proposed approach, the formula is applied to the entire S+C+L band (20 THz) and validated by numerical simulations with experimentally measured fibre data.","PeriodicalId":6826,"journal":{"name":"45th European Conference on Optical Communication (ECOC 2019)","volume":"20 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90211451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. Dochhan, T. Drenski, H. Griesser, M. Eiselt, J. Elbers
DMT at 25 Gbit/s, 50 Gbit/s and 100 Gbit/s in passive systems with electro-absorption modulators is investigated. Transmission in C- and O-band are compared, yielding up to 22 km reach, 100 Gbit/s in O-band. All results are obtained with a real-time signal processing ASIC.
{"title":"Real-time discrete multi-tone transmission for passive optical networks in Cand O-band","authors":"A. Dochhan, T. Drenski, H. Griesser, M. Eiselt, J. Elbers","doi":"10.1049/cp.2019.1110","DOIUrl":"https://doi.org/10.1049/cp.2019.1110","url":null,"abstract":"DMT at 25 Gbit/s, 50 Gbit/s and 100 Gbit/s in passive systems with electro-absorption modulators is investigated. Transmission in C- and O-band are compared, yielding up to 22 km reach, 100 Gbit/s in O-band. All results are obtained with a real-time signal processing ASIC.","PeriodicalId":6826,"journal":{"name":"45th European Conference on Optical Communication (ECOC 2019)","volume":"352 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87239088","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. Dochhan, R. Emmerich, P. W. Berenguer, C. Schubert, J. Fischer, M. Eiselt, J. Elbers
A flexible semi-filterless architecture for metro DWDM networks with ring- or horseshoe topologies is presented. ROADM nodes are based on wavelength blockers. Coherent transmission enables filterless channel selection. Critical parameters are determined and a 4-span, 160-km horseshoe with 100Gbit/s DP-QPSK and 200Gbit/s DP-16QAM is demonstrated.
{"title":"Flexible metro network architecture based on wavelength blockers and coherent transmission","authors":"A. Dochhan, R. Emmerich, P. W. Berenguer, C. Schubert, J. Fischer, M. Eiselt, J. Elbers","doi":"10.1049/cp.2019.0965","DOIUrl":"https://doi.org/10.1049/cp.2019.0965","url":null,"abstract":"A flexible semi-filterless architecture for metro DWDM networks with ring- or horseshoe topologies is presented. ROADM nodes are based on wavelength blockers. Coherent transmission enables filterless channel selection. Critical parameters are determined and a 4-span, 160-km horseshoe with 100Gbit/s DP-QPSK and 200Gbit/s DP-16QAM is demonstrated.","PeriodicalId":6826,"journal":{"name":"45th European Conference on Optical Communication (ECOC 2019)","volume":"5 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91254965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kari A. Clark, Yingkan Chen, E. N. Fokoua, T. Bradley, F. Poletti, D. Richardson, P. Bayvel, R. Slavík, Zhixin Liu
We demonstrate 20-times greater tolerance to temperature variation using hollow core fibres compared to SMF-28 in a fast optical switching system. With frequency and once-only phase synchronisation, we obtained error-free transmission of short packets with <625ps clock recovery time in 25.6 Gb/s real-time systems.
{"title":"Low thermal sensitivity hollow core fibre for optically-switched data centre applications","authors":"Kari A. Clark, Yingkan Chen, E. N. Fokoua, T. Bradley, F. Poletti, D. Richardson, P. Bayvel, R. Slavík, Zhixin Liu","doi":"10.1049/cp.2019.0931","DOIUrl":"https://doi.org/10.1049/cp.2019.0931","url":null,"abstract":"We demonstrate 20-times greater tolerance to temperature variation using hollow core fibres compared to SMF-28 in a fast optical switching system. With frequency and once-only phase synchronisation, we obtained error-free transmission of short packets with <625ps clock recovery time in 25.6 Gb/s real-time systems.","PeriodicalId":6826,"journal":{"name":"45th European Conference on Optical Communication (ECOC 2019)","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74186143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Inuzuka Fumikazu, O. Takuya, Tanaka Takafumi, Kitamura Kei, Kuwabara Seiki, Hirano Akira, O. Takuya
{"title":"Demonstration of a novel framework for proactive maintenance using failure prediction and bit lossless protection","authors":"Inuzuka Fumikazu, O. Takuya, Tanaka Takafumi, Kitamura Kei, Kuwabara Seiki, Hirano Akira, O. Takuya","doi":"10.1049/cp.2019.0755","DOIUrl":"https://doi.org/10.1049/cp.2019.0755","url":null,"abstract":"","PeriodicalId":6826,"journal":{"name":"45th European Conference on Optical Communication (ECOC 2019)","volume":"30 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73432850","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. R. Zefreh, A. Carena, F. Forghieri, S. Piciaccia, P. Poggiolini
We derived a fully-closed-form GN-model formula and tested its accuracy of over 7,000 highly randomized Cband system scenarios. By further applying a correction that leverages the large system test-set, we were able to substantially improve it and obtain EGN-model accuracy with real-time-compatible computation effort.
{"title":"A GN/EGN-model real-time closed-form formula tested over 7,000 virtual links","authors":"M. R. Zefreh, A. Carena, F. Forghieri, S. Piciaccia, P. Poggiolini","doi":"10.1049/cp.2019.0894","DOIUrl":"https://doi.org/10.1049/cp.2019.0894","url":null,"abstract":"We derived a fully-closed-form GN-model formula and tested its accuracy of over 7,000 highly randomized Cband system scenarios. By further applying a correction that leverages the large system test-set, we were able to substantially improve it and obtain EGN-model accuracy with real-time-compatible computation effort.","PeriodicalId":6826,"journal":{"name":"45th European Conference on Optical Communication (ECOC 2019)","volume":"8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89527325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kai Shi, S. Lange, István Haller, Daniel Cletheroe, Raphael Behrendt, B. Thomsen, F. Karinou, Krzysztof Jozwik, Paolo Costa, Hitesh Ballani
We demonstrate a wavelength switching PIC whose switching time (0.912 ns) is independent of the tuning range, and an optical switching system (50Gbps PAM4) using the PIC and fast burst-mode channel equalization, achieving 3.84 ns switching latency.
{"title":"System Demonstration of Nanosecond Wavelength Switching with Burst-mode PAM4 Transceiver","authors":"Kai Shi, S. Lange, István Haller, Daniel Cletheroe, Raphael Behrendt, B. Thomsen, F. Karinou, Krzysztof Jozwik, Paolo Costa, Hitesh Ballani","doi":"10.1049/CP.2019.1034","DOIUrl":"https://doi.org/10.1049/CP.2019.1034","url":null,"abstract":"We demonstrate a wavelength switching PIC whose switching time (0.912 ns) is independent of the tuning range, and an optical switching system (50Gbps PAM4) using the PIC and fast burst-mode channel equalization, achieving 3.84 ns switching latency.","PeriodicalId":6826,"journal":{"name":"45th European Conference on Optical Communication (ECOC 2019)","volume":"98 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79246552","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yu Wang, N. Thipparapu, A. Umnikov, P. Barua, D. Richardson, J. Sahu
We report an O-band BDFA gain and NF performance over the temperature-range of -40 to +60C. A 34dB gain with 5.5dB NF was obtained at 1340nm in a double-pass BDFA operating at -40C. The temperature-dependent-gain was decreased by [Paper delivered at ECOC 2019 in session Th.1.C Fibre Amplifies and Quantum Communication.]
{"title":"Temperature dependent gain and noise figure characteristics of o-band bismuth-doped fibre amplifier","authors":"Yu Wang, N. Thipparapu, A. Umnikov, P. Barua, D. Richardson, J. Sahu","doi":"10.1049/CP.2019.0975","DOIUrl":"https://doi.org/10.1049/CP.2019.0975","url":null,"abstract":"We report an O-band BDFA gain and NF performance over the temperature-range of -40 to +60C. A 34dB gain with 5.5dB NF was obtained at 1340nm in a double-pass BDFA operating at -40C. The temperature-dependent-gain was decreased by [Paper delivered at ECOC 2019 in session Th.1.C Fibre Amplifies and Quantum Communication.]","PeriodicalId":6826,"journal":{"name":"45th European Conference on Optical Communication (ECOC 2019)","volume":"13 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80879290","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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