Shuto Yamamoto, Hiroki Taniguchi, M. Nakamura, Y. Kisaka
{"title":"O-Band 10-km Transmission of 93-Gbaud PAM4 Signal using Spectral Shaping Technique Based on Nonlinear Differential Coding with 1-Tap Precoding","authors":"Shuto Yamamoto, Hiroki Taniguchi, M. Nakamura, Y. Kisaka","doi":"10.1364/ofc.2020.t3i.3","DOIUrl":"https://doi.org/10.1364/ofc.2020.t3i.3","url":null,"abstract":"We propose a simple and flexible spectral shaping technique based on nonlinear differential coding for short-reach IM-DD transmission. Experimental results show the achievement of 7% HD-FEC threshold in 186-Gb/s 10-km transmission with 14-GHz bandwidth limitation.","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124242542","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}
Yasuhiro Kawabata, Naoki Urakawa, K. Kinoshita, K. Igarashi
{"title":"Spectrally Slicing Coherent Optical Spectrum Analyzer for Measuring Complex Field Waveforms of Optical QAM Signals","authors":"Yasuhiro Kawabata, Naoki Urakawa, K. Kinoshita, K. Igarashi","doi":"10.1364/ofc.2020.w4a.1","DOIUrl":"https://doi.org/10.1364/ofc.2020.w4a.1","url":null,"abstract":"We propose spectrally slicing scheme without any bandwidth limitation for measuring complex field waveforms of optical QAM signals. With our scheme, complex filed waveforms of 12.5-Gbaud 16QAM signals are measured even with 300-MHz bandwidth.","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124275425","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}
Yin Zhou, Lian-shan Yan, H. He, Zonglei Li, Xinpu Zhang, W. Pan, B. Luo
{"title":"Proposal of Brillouin Optical Time Domain Collider for Dynamic Strain Measurement","authors":"Yin Zhou, Lian-shan Yan, H. He, Zonglei Li, Xinpu Zhang, W. Pan, B. Luo","doi":"10.1364/ofc.2020.m1c.2","DOIUrl":"https://doi.org/10.1364/ofc.2020.m1c.2","url":null,"abstract":"The dynamic strain sampling rate of Brillouin-based distributed sensors is limited by fiber length. For breaking this limit, a Brillouin optical time domain collider is proposed. A 10-times enhancement on sampling rate is experimentally demonstrated.","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114878005","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. Pilipetskii, M. Bolshtyansky, D. Foursa, O. Sinkin
{"title":"SDM Power-Efficient Ultra High-Capacity Submarine Long Haul Transmission Systems (Tutorial)","authors":"A. Pilipetskii, M. Bolshtyansky, D. Foursa, O. Sinkin","doi":"10.1364/ofc.2020.m3g.5","DOIUrl":"https://doi.org/10.1364/ofc.2020.m3g.5","url":null,"abstract":"Submarine long-haul systems have a unique set of challenges to address the capacity demand. The tutorial will examine the need for power efficiency, SDM solutions for capacity and greater economy, and ways to move forward.","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"194 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114994262","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}
Kohei Saito, T. Sasai, F. Hamaoka, H. Kawahara, T. Seki, H. Maeda
{"title":"High spectral efficiency real-time 500-Gb/s/carrier transmission over field-installed G.654.E fiber link using forward and backward distributed Raman amplification","authors":"Kohei Saito, T. Sasai, F. Hamaoka, H. Kawahara, T. Seki, H. Maeda","doi":"10.1364/ofc.2020.th1d.3","DOIUrl":"https://doi.org/10.1364/ofc.2020.th1d.3","url":null,"abstract":"Transmission distance of 1234.2 km with high spectral efficiency of 5.71 b/s/Hz over terrestrial G.654.E fiber links is achieved for 500-Gb/s/carrier signals using EDFAs with forward and backward DRAs compliant with laser power safety requirements.","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115102361","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}
Tom Wettlin, T. Rahman, Jinlong Wei, S. Calabrò, N. Stojanović, S. Pachnicke
{"title":"Comparison of PAM Formats for 200 Gb/s Short Reach Transmission Systems","authors":"Tom Wettlin, T. Rahman, Jinlong Wei, S. Calabrò, N. Stojanović, S. Pachnicke","doi":"10.1364/ofc.2020.th2a.37","DOIUrl":"https://doi.org/10.1364/ofc.2020.th2a.37","url":null,"abstract":"We compared the performance of PAM4, PAM6 and PAM8 experimentally at 224/225 Gb/s using different DSP schemes including Tomlinson-Harashima precoding (THP). PAM6 shows the best overall performance. For PAM4 THP shows a large gain.","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"150 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116370196","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}
{"title":"Two-Stage Abstraction for Disaggregated Modular OLT Architecture Supporting OpenFlow Control","authors":"K. Nishimoto, K. Asaka, J. Kani, J. Terada","doi":"10.1364/ofc.2020.m1k.2","DOIUrl":"https://doi.org/10.1364/ofc.2020.m1k.2","url":null,"abstract":"We implement our abstraction method for provisioning and controlling, via OpenFlow, the disaggregated PON-OLT that features separation of hardware module and softwarized OLT functions, and demonstrate its operation by utilizing open source controllers ONOS / VOLTHA.","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122097696","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}
G. Cong, N. Yamamoto, Takashi Inoue, Y. Maegami, M. Ohno, M. Okano, S. Namiki, K. Yamada
{"title":"Interferometer-Based Photonic Circuit Classifier Showing >90% Accuracy for Well-Known Iris Dataset without Utilizing Nonlinear Activation Function","authors":"G. Cong, N. Yamamoto, Takashi Inoue, Y. Maegami, M. Ohno, M. Okano, S. Namiki, K. Yamada","doi":"10.1364/ofc.2020.w3a.6","DOIUrl":"https://doi.org/10.1364/ofc.2020.w3a.6","url":null,"abstract":"We demonstrate that interferometer-based photonic circuits can perform classification by only phase control even without activation functions, which can classify well-known Iris dataset with >90% accuracy in simulation, showing simple photonic implementation for machine learning.","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116879263","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}
K. Mishina, Shingo Sato, Shohei Yamamoto, Y. Yoshida, D. Hisano, A. Maruta
{"title":"Demodulation of Eigenvalue Modulated Signal Based on Eigenvalue-Domain Neural Network","authors":"K. Mishina, Shingo Sato, Shohei Yamamoto, Y. Yoshida, D. Hisano, A. Maruta","doi":"10.1364/ofc.2020.w3d.1","DOIUrl":"https://doi.org/10.1364/ofc.2020.w3d.1","url":null,"abstract":"A demodulation scheme for an eigenvalue modulated signal based on an eigenvalue-domain neural network is demonstrated experimentally. Successful demodulation is demonstrated at 2.5 Gb/s over a transmission distance of up to 3,000 km.","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124071716","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}
{"title":"Design Strategies Exploiting C+L-Band in Networks with Geographically-Dependent Fiber Upgrade Expenditures","authors":"Daniela Moniz, V. López, J. Pedro","doi":"10.1364/ofc.2020.m2g.3","DOIUrl":"https://doi.org/10.1364/ofc.2020.m2g.3","url":null,"abstract":"This paper proposes a framework leveraging next-generation interfaces and C+L-band to design transport networks where fiber-based capacity upgrade is geographically-dependent. Simulation results highlight the effectiveness of the proposal and the possible trade-offs between number of line interfaces and fibers.","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124503388","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}