S. Girard, T. Robin, A. Morana, G. Mélin, A. Barnini, A. Boukenter, B. Cadier, E. Marin, L. Lablonde, A. Laurent, Y. Ouerdane
Silica-based optical fibers possess key advantages for integration in radiation-rich environments as parts of communication systems, laser sources, optical amplifiers, diagnostics and point or distributed sensors. We reviewed how the understanding of the basic mechanisms of radiation effects can be exploited to optimize their tolerance to the most challenging environments
{"title":"Recent Advances on Radiation-Hardened Optical Fiber Technologies","authors":"S. Girard, T. Robin, A. Morana, G. Mélin, A. Barnini, A. Boukenter, B. Cadier, E. Marin, L. Lablonde, A. Laurent, Y. Ouerdane","doi":"10.1364/ofc.2020.w1c.3","DOIUrl":"https://doi.org/10.1364/ofc.2020.w1c.3","url":null,"abstract":"Silica-based optical fibers possess key advantages for integration in radiation-rich environments as parts of communication systems, laser sources, optical amplifiers, diagnostics and point or distributed sensors. We reviewed how the understanding of the basic mechanisms of radiation effects can be exploited to optimize their tolerance to the most challenging environments","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"20 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":"115114773","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}
F. Klejs, E. Silva, M. Lillieholm, M. Yankov, T. Morioka, L. Oxenløwe, M. Galili
We experimentally investigate the long haul transmission of an 8 GBd DP-1024QAM over fully Raman amplified fiber spans using an optical frequency comb. We reach a potential spectral efficiency of 8.7 bit/s/Hz at 3000 km transmission and a potential data rate of 640 Gb/s.
{"title":"Spectrally Efficient DP-1024QAM 640 Gb/s Long Haul Transmission using a Frequency Comb","authors":"F. Klejs, E. Silva, M. Lillieholm, M. Yankov, T. Morioka, L. Oxenløwe, M. Galili","doi":"10.1364/ofc.2020.m4k.4","DOIUrl":"https://doi.org/10.1364/ofc.2020.m4k.4","url":null,"abstract":"We experimentally investigate the long haul transmission of an 8 GBd DP-1024QAM over fully Raman amplified fiber spans using an optical frequency comb. We reach a potential spectral efficiency of 8.7 bit/s/Hz at 3000 km transmission and a potential data rate of 640 Gb/s.","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"53 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":"115232774","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}
Power fluctuations accumulate in ROADM-free space-switched networks. Thousands of randomized nonlinear transmissions demonstrate that capacity with an inventory of {5,10,15,20} dB gain amplifiers is within 10 % of optimal and triple that with {10,20} dB amplifiers over 1,000 km.
{"title":"Amplifier Considerations in ROADM-Free Space-Switched Nonlinear Optical Links","authors":"R. J. Vincent, D. Ives, S. Savory","doi":"10.1364/ofc.2020.w2a.49","DOIUrl":"https://doi.org/10.1364/ofc.2020.w2a.49","url":null,"abstract":"Power fluctuations accumulate in ROADM-free space-switched networks. Thousands of randomized nonlinear transmissions demonstrate that capacity with an inventory of {5,10,15,20} dB gain amplifiers is within 10 % of optimal and triple that with {10,20} dB amplifiers over 1,000 km.","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"22 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":"115424327","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}
H. Yamazaki, M. Nakamura, T. Goh, T. Hashimoto, Y. Miyamoto
We generate 150-Gbaud QAM signals by using an optical time-interleaving modulator driven with 38.1-GHz-bandwidth sub-signals. A digital spectral weaver enables generation of arbitrary bandwidth-extended signals with a simple filter-less optical configuration.
{"title":"Transmitter Bandwidth Extension using Optical Time-Interleaving Modulator and Digital Spectral Weaver","authors":"H. Yamazaki, M. Nakamura, T. Goh, T. Hashimoto, Y. Miyamoto","doi":"10.1364/ofc.2020.t4g.1","DOIUrl":"https://doi.org/10.1364/ofc.2020.t4g.1","url":null,"abstract":"We generate 150-Gbaud QAM signals by using an optical time-interleaving modulator driven with 38.1-GHz-bandwidth sub-signals. A digital spectral weaver enables generation of arbitrary bandwidth-extended signals with a simple filter-less optical configuration.","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"226 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":"115477260","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}
D. Che, Y. Matsui, R. Schatz, R. Rodes, Ferdous Khan, M. Kwakernaak, Tsurugi Sudo, S. Chandrasekhar, Junho Cho, Xi Chen, P. Winzer
We demonstrate both 100-GBaud PAM-4 and 80-GBaud PAM-8 transmissions over 10-km fiber using a 1315-nm 54-GHz distributed Bragg reflector laser with a transient chirp parameter of 1.0. The 80-GBaud PAM-8 system achieves a net bit rate of 200 Gb/s.
{"title":"Direct Modulation of a 54-GHz Distributed Bragg Reflector Laser with 100-GBaud PAM-4 and 80-GBaud PAM-8","authors":"D. Che, Y. Matsui, R. Schatz, R. Rodes, Ferdous Khan, M. Kwakernaak, Tsurugi Sudo, S. Chandrasekhar, Junho Cho, Xi Chen, P. Winzer","doi":"10.1364/ofc.2020.th3c.1","DOIUrl":"https://doi.org/10.1364/ofc.2020.th3c.1","url":null,"abstract":"We demonstrate both 100-GBaud PAM-4 and 80-GBaud PAM-8 transmissions over 10-km fiber using a 1315-nm 54-GHz distributed Bragg reflector laser with a transient chirp parameter of 1.0. The 80-GBaud PAM-8 system achieves a net bit rate of 200 Gb/s.","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"1 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":"124278085","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}
We discuss future perspective of a new type of computing based on networks of optical oscillators, which includes coherent Ising machines for combinatorial optimization and coherent XY machine for continuous optimization.
{"title":"Computation with Optical Oscillator Networks","authors":"H. Takesue","doi":"10.1364/ofc.2020.w4e.3","DOIUrl":"https://doi.org/10.1364/ofc.2020.w4e.3","url":null,"abstract":"We discuss future perspective of a new type of computing based on networks of optical oscillators, which includes coherent Ising machines for combinatorial optimization and coherent XY machine for continuous optimization.","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"65 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":"117066091","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}
Y. Sobu, Shinsuke Tanaka, Yu Tanaka, Y. Akiyama, T. Hoshida
We experimentally demonstrated 70Gbaud PAM4 and 90Gbaud NRZ operations of allsilicon segmented modulator for optical DAC transmitter. Monolithic integration of MIM capacitor enabled broad EO bandwidth of 43.9GHz and small footprint of 300×600µm2.
{"title":"High-Speed-Operation of Compact All-Silicon Segmented Mach-Zehnder Modulator Integrated with Passive RC Equalizer for Optical DAC Transmitter","authors":"Y. Sobu, Shinsuke Tanaka, Yu Tanaka, Y. Akiyama, T. Hoshida","doi":"10.1364/ofc.2020.m2b.8","DOIUrl":"https://doi.org/10.1364/ofc.2020.m2b.8","url":null,"abstract":"We experimentally demonstrated 70Gbaud PAM4 and 90Gbaud NRZ operations of allsilicon segmented modulator for optical DAC transmitter. Monolithic integration of MIM capacitor enabled broad EO bandwidth of 43.9GHz and small footprint of 300×600µm2.","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"42 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":"117122841","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}
T. F. D. Lima, Chaoran Huang, S. Bilodeau, A. Tait, Hsuan-Tung Peng, Philip Y. Ma, E. Blow, B. Shastri, P. Prucnal
In this paper, we use standard silicon-photonic components in order to implement a neuromorphic circuit with two neurons. The network exhibits reconfigurable weights and nonlinear transfer functions, enabling high-bandwidth analog signal processing tasks.
{"title":"Real-Time Operation of Silicon Photonic Neurons","authors":"T. F. D. Lima, Chaoran Huang, S. Bilodeau, A. Tait, Hsuan-Tung Peng, Philip Y. Ma, E. Blow, B. Shastri, P. Prucnal","doi":"10.1364/ofc.2020.m2k.4","DOIUrl":"https://doi.org/10.1364/ofc.2020.m2k.4","url":null,"abstract":"In this paper, we use standard silicon-photonic components in order to implement a neuromorphic circuit with two neurons. The network exhibits reconfigurable weights and nonlinear transfer functions, enabling high-bandwidth analog signal processing tasks.","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"151 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":"121044168","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}
We demonstrate all-multicore-fiber parallel Fabry-Perot interferometers (FPIs) with individually variable cavity length of 26-61-µm by femtosecond laser selective micro-machining and fiber fusion splicing, leading to the successful mitigation of cross-sensitivity arising in dual-parameter sensing.
{"title":"Femtosecond Laser Fabricated All-Multicore-Fiber Parallel Fabry-Perot Interferometers for Dual-Parameter Sensing","authors":"Cong Zhang, S. Fu, M. Tang, Deming Liu","doi":"10.1364/ofc.2020.th3f.3","DOIUrl":"https://doi.org/10.1364/ofc.2020.th3f.3","url":null,"abstract":"We demonstrate all-multicore-fiber parallel Fabry-Perot interferometers (FPIs) with individually variable cavity length of 26-61-µm by femtosecond laser selective micro-machining and fiber fusion splicing, leading to the successful mitigation of cross-sensitivity arising in dual-parameter sensing.","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"6 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":"121099800","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}
Pub Date : 2020-03-01DOI: 10.1364/ofc.2020.th2a.34
T. Kodama, K. Arai
2.7 dB power efficiency improvement consistent with theory was experimentally obtained by marginal IQ distorted QPSK signal with and DD-CPR in the case of the 57 km downlink access span length difference between two ONUs.
{"title":"Energy-Efficient Coherent PON System with Access-Span Length Difference between ONUs using Marginal IQ Power Loading in Downlink Transmission","authors":"T. Kodama, K. Arai","doi":"10.1364/ofc.2020.th2a.34","DOIUrl":"https://doi.org/10.1364/ofc.2020.th2a.34","url":null,"abstract":"2.7 dB power efficiency improvement consistent with theory was experimentally obtained by marginal IQ distorted QPSK signal with and DD-CPR in the case of the 57 km downlink access span length difference between two ONUs.","PeriodicalId":173355,"journal":{"name":"2020 Optical Fiber Communications Conference and Exhibition (OFC)","volume":"12 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":"121260524","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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