Pub Date : 2002-03-17DOI: 10.1109/OFC.2002.1036163
I. Morita, N. Edagawa
The impact of the relative optical phase in OTDM signals on long-distance transmission was investigated. The best transmission performance was obtained with CS-RZ signals having a phase difference of /spl pi/. OTDM CS-RZ generation was found to have a large bias tolerance for pulse formation. We have also compared the transmission performance between the OTDM and conventional CS-RZ signals and confirmed fundamentally no difference in performance. These results indicate the superiority of OTDM CS-RZ generation for practical applications.
{"title":"Study on optimum OTDM signals for long-distance 40 Gbit/s transmission","authors":"I. Morita, N. Edagawa","doi":"10.1109/OFC.2002.1036163","DOIUrl":"https://doi.org/10.1109/OFC.2002.1036163","url":null,"abstract":"The impact of the relative optical phase in OTDM signals on long-distance transmission was investigated. The best transmission performance was obtained with CS-RZ signals having a phase difference of /spl pi/. OTDM CS-RZ generation was found to have a large bias tolerance for pulse formation. We have also compared the transmission performance between the OTDM and conventional CS-RZ signals and confirmed fundamentally no difference in performance. These results indicate the superiority of OTDM CS-RZ generation for practical applications.","PeriodicalId":347952,"journal":{"name":"Optical Fiber Communication Conference and Exhibit","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115128508","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 : 2002-03-17DOI: 10.1109/OFC.2002.1036236
A. Narula-Tam, E. Modiano
Wavelength division multiplexing (WDM) based networks consist of a logical topology, defined by a set of nodes and lightpath connections and a physical topology, defined by the set of nodes and the fiber connecting them. Although both the logical and physical topologies may be independently tolerant to single link failures, once the logical topology is embedded on the physical topology, the logical topology may no longer be survivable to single physical link failures. Each physical fiber link may carry multiple lightpaths. Hence, the failure of a single physical link, can lead to the failure of multiple links in the logical topology which may subsequently leave the logical topology disconnected. Our focus is on the design of physical topologies capable of supporting ring logical topologies in a survivable manner. While there has been a great deal of work in the area of optical layer protection, this survivable routing formulation is a new approach to network protection that has significant implications on the design of future WDM-based networks.
{"title":"Network architectures for supporting survivable WDM rings","authors":"A. Narula-Tam, E. Modiano","doi":"10.1109/OFC.2002.1036236","DOIUrl":"https://doi.org/10.1109/OFC.2002.1036236","url":null,"abstract":"Wavelength division multiplexing (WDM) based networks consist of a logical topology, defined by a set of nodes and lightpath connections and a physical topology, defined by the set of nodes and the fiber connecting them. Although both the logical and physical topologies may be independently tolerant to single link failures, once the logical topology is embedded on the physical topology, the logical topology may no longer be survivable to single physical link failures. Each physical fiber link may carry multiple lightpaths. Hence, the failure of a single physical link, can lead to the failure of multiple links in the logical topology which may subsequently leave the logical topology disconnected. Our focus is on the design of physical topologies capable of supporting ring logical topologies in a survivable manner. While there has been a great deal of work in the area of optical layer protection, this survivable routing formulation is a new approach to network protection that has significant implications on the design of future WDM-based networks.","PeriodicalId":347952,"journal":{"name":"Optical Fiber Communication Conference and Exhibit","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114679703","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 : 2002-03-17DOI: 10.1109/OFC.2002.1036387
C. Yu, D. Neilson, C. Doerr, M. Zirngibl
We have demonstrated a novel multi-channel wavelength demux based on bulk diffraction grating. The demux is in principle dispersion-free and a record FOM of >95% has been achieved.
{"title":"Dispersion-free (de)mux with very high figure-of-merit","authors":"C. Yu, D. Neilson, C. Doerr, M. Zirngibl","doi":"10.1109/OFC.2002.1036387","DOIUrl":"https://doi.org/10.1109/OFC.2002.1036387","url":null,"abstract":"We have demonstrated a novel multi-channel wavelength demux based on bulk diffraction grating. The demux is in principle dispersion-free and a record FOM of >95% has been achieved.","PeriodicalId":347952,"journal":{"name":"Optical Fiber Communication Conference and Exhibit","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116629413","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 : 2002-03-17DOI: 10.1109/OFC.2002.1036614
J. M. Chavez Boggio, F. Callegari, S. Tenenbaum, H. Fragnito, J. Rosolem, M. debarros
We experimentally demonstrated, for the first time, to the best of our knowledge, a two-pump fiber optical parametric amplifier having /spl sim/26 dB on-off gain with /spl plusmn/1.5 dB ripple over 30 nm bandwidth.
{"title":"Demonstration of 26 dB on-off gain of a two-pump fiber optical parametric amplifier","authors":"J. M. Chavez Boggio, F. Callegari, S. Tenenbaum, H. Fragnito, J. Rosolem, M. debarros","doi":"10.1109/OFC.2002.1036614","DOIUrl":"https://doi.org/10.1109/OFC.2002.1036614","url":null,"abstract":"We experimentally demonstrated, for the first time, to the best of our knowledge, a two-pump fiber optical parametric amplifier having /spl sim/26 dB on-off gain with /spl plusmn/1.5 dB ripple over 30 nm bandwidth.","PeriodicalId":347952,"journal":{"name":"Optical Fiber Communication Conference and Exhibit","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121070241","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 : 2002-03-17DOI: 10.1109/OFC.2002.1036183
Youngil Kim, J. H. Kim, Young Jeon, Seok Lee, D. Woo, S. H. Kim
We have demonstrated for the first time an all-optical flip-flop based on optical bistability of an integrated SOA/DFB-SOA by applying an input signal with the period of 25.2 ns. An all-optical flip-flop based on optical bistability is expected to process the signal at an ultra-high speed in a light-wave communication. All-optical flip-flop has various applications such as all optical memory, demultiplexing, packet-header buffering, and retiming. Moreover, an integrated SOA/DFBSOA can perform all-optical logic operation and wavelength conversion by cross gain modulation.
{"title":"All-optical flip-flop based on optical bistability in an integrated SOA/DFB-SOA","authors":"Youngil Kim, J. H. Kim, Young Jeon, Seok Lee, D. Woo, S. H. Kim","doi":"10.1109/OFC.2002.1036183","DOIUrl":"https://doi.org/10.1109/OFC.2002.1036183","url":null,"abstract":"We have demonstrated for the first time an all-optical flip-flop based on optical bistability of an integrated SOA/DFB-SOA by applying an input signal with the period of 25.2 ns. An all-optical flip-flop based on optical bistability is expected to process the signal at an ultra-high speed in a light-wave communication. All-optical flip-flop has various applications such as all optical memory, demultiplexing, packet-header buffering, and retiming. Moreover, an integrated SOA/DFBSOA can perform all-optical logic operation and wavelength conversion by cross gain modulation.","PeriodicalId":347952,"journal":{"name":"Optical Fiber Communication Conference and Exhibit","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127212566","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 : 2002-03-17DOI: 10.1109/OFC.2002.1036278
N. Araki, H. Izumita, N. Honda, M. Nakamura
We proposed an extended optical fiber line testing system using ultra-low-cost crossed optical waveguide couplers with L/U-band thin dielectric film filters for L-band WDM transmission. We described the design of the return loss required for optical filters located in central offices. We also designed and confirmed the effectiveness of the configuration of a crossed optical waveguide coupler and a thin dielectric film filter with a steep optical spectrum to separate a 1650 nm test light from L-band wavelength light. We confirmed that there was no degradation in the OTDR trace caused by multi reflections at optical filters when using our crossed optical waveguide coupler.
{"title":"Extended optical fiber line testing system using L/U-band crossed optical waveguide coupler for L-band WDM transmission","authors":"N. Araki, H. Izumita, N. Honda, M. Nakamura","doi":"10.1109/OFC.2002.1036278","DOIUrl":"https://doi.org/10.1109/OFC.2002.1036278","url":null,"abstract":"We proposed an extended optical fiber line testing system using ultra-low-cost crossed optical waveguide couplers with L/U-band thin dielectric film filters for L-band WDM transmission. We described the design of the return loss required for optical filters located in central offices. We also designed and confirmed the effectiveness of the configuration of a crossed optical waveguide coupler and a thin dielectric film filter with a steep optical spectrum to separate a 1650 nm test light from L-band wavelength light. We confirmed that there was no degradation in the OTDR trace caused by multi reflections at optical filters when using our crossed optical waveguide coupler.","PeriodicalId":347952,"journal":{"name":"Optical Fiber Communication Conference and Exhibit","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124821631","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 : 2002-03-17DOI: 10.1109/OFC.2002.1036399
M. Hill
In summary, the HOM-DCM is a fiber-based technology that maintains the benefits of SM-DCF by utilizing the unique waveguide dispersion of a specially designed fiber. This approach naturally makes it a broadband as well as a low loss technology. The salient feature of the HOM-DCM is that it can achieve high RDS while maintaining a large effective area for the propagating signals. A complexity arises from the fact that the module requires mode-converters that can increase loss as well as cost of the module. This may be suitably addressed by recent advances in mode-converting fiber-gratings, as this takes advantage of a mature technological platform (namely, UV-induced fiber-gratings). All-fiber HOM-DCMs that use fiber-gratings for mode-conversion have achieved loss values that are comparable with, and in some case even lower than, SM-DCF.
{"title":"Higher-order-mode dispersion compensation for broadband dispersion and non-linearity management in transmission systems","authors":"M. Hill","doi":"10.1109/OFC.2002.1036399","DOIUrl":"https://doi.org/10.1109/OFC.2002.1036399","url":null,"abstract":"In summary, the HOM-DCM is a fiber-based technology that maintains the benefits of SM-DCF by utilizing the unique waveguide dispersion of a specially designed fiber. This approach naturally makes it a broadband as well as a low loss technology. The salient feature of the HOM-DCM is that it can achieve high RDS while maintaining a large effective area for the propagating signals. A complexity arises from the fact that the module requires mode-converters that can increase loss as well as cost of the module. This may be suitably addressed by recent advances in mode-converting fiber-gratings, as this takes advantage of a mature technological platform (namely, UV-induced fiber-gratings). All-fiber HOM-DCMs that use fiber-gratings for mode-conversion have achieved loss values that are comparable with, and in some case even lower than, SM-DCF.","PeriodicalId":347952,"journal":{"name":"Optical Fiber Communication Conference and Exhibit","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125104912","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 : 2002-03-17DOI: 10.1109/OFC.2002.1036297
P. Tang, O. Eknoyan, H. Taylor
Polarization-independent guided-wave electrooptically tunable wavelength filters have been produced in Ti:LiNbO/sub 3/ for the 1550 nm regime of the spectrum utilizing static strain-optic effect from a spatially periodic surface film. The 3-dB optical bandwidth (FWHM) of 2.3 nm for a 10.5-mm interaction length is in agreement with theory. Electro-optic tuning of the center wavelength over a range of 20 nm with an RC-limited rise time of 52 ns have been demonstrated. Although only results on the drop function are reported here, the same 4-port device can also add wavelengths via port 2. Increasing the length of the polarization conversion/tuning region and apodization of the polarization converting strain pads can be used to achieve narrower channel bandwidth and higher side lobe suppression. Such devices are in process.
{"title":"Low loss rapidly tunable optical add drop multiplexer in Ti:LiNbO/sub 3/","authors":"P. Tang, O. Eknoyan, H. Taylor","doi":"10.1109/OFC.2002.1036297","DOIUrl":"https://doi.org/10.1109/OFC.2002.1036297","url":null,"abstract":"Polarization-independent guided-wave electrooptically tunable wavelength filters have been produced in Ti:LiNbO/sub 3/ for the 1550 nm regime of the spectrum utilizing static strain-optic effect from a spatially periodic surface film. The 3-dB optical bandwidth (FWHM) of 2.3 nm for a 10.5-mm interaction length is in agreement with theory. Electro-optic tuning of the center wavelength over a range of 20 nm with an RC-limited rise time of 52 ns have been demonstrated. Although only results on the drop function are reported here, the same 4-port device can also add wavelengths via port 2. Increasing the length of the polarization conversion/tuning region and apodization of the polarization converting strain pads can be used to achieve narrower channel bandwidth and higher side lobe suppression. Such devices are in process.","PeriodicalId":347952,"journal":{"name":"Optical Fiber Communication Conference and Exhibit","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126128556","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 : 2002-03-17DOI: 10.1109/OFC.2002.1036771
K. Sato, T. Hosoda, Y. Watanabe, S. Wada, Y. Iriguchi, K. Makita, A. Shono, J. Shimizu, K. Sakamoto, I. Watanabe, K. Mitamura, M. Yamaguchi
The highest receiver sensitivity of -28.0 dBm was achieved by a combination of a superlattice APD with a large gain-bandwidth product (110 GHz) and a properly designed high-gain (63 dB/spl Omega/) HJFET TIA-IC. Greater than -26.5 dBm sensitivity was also successfully demonstrated over the wide wavelength range covering C- and L- bands and temperature range of 0 to 70 degC. by a successfully designed extremely small package with dimensions of 9.8 /spl times/ 7.5 /spl times/ 4.0 mm/sup 3/ (only 0.3 cc).
{"title":"Record highest sensitivity of -28.0 dBm at 10 Gb/s achieved by newly developed extremely-compact superlattice-APD module with TIA-IC","authors":"K. Sato, T. Hosoda, Y. Watanabe, S. Wada, Y. Iriguchi, K. Makita, A. Shono, J. Shimizu, K. Sakamoto, I. Watanabe, K. Mitamura, M. Yamaguchi","doi":"10.1109/OFC.2002.1036771","DOIUrl":"https://doi.org/10.1109/OFC.2002.1036771","url":null,"abstract":"The highest receiver sensitivity of -28.0 dBm was achieved by a combination of a superlattice APD with a large gain-bandwidth product (110 GHz) and a properly designed high-gain (63 dB/spl Omega/) HJFET TIA-IC. Greater than -26.5 dBm sensitivity was also successfully demonstrated over the wide wavelength range covering C- and L- bands and temperature range of 0 to 70 degC. by a successfully designed extremely small package with dimensions of 9.8 /spl times/ 7.5 /spl times/ 4.0 mm/sup 3/ (only 0.3 cc).","PeriodicalId":347952,"journal":{"name":"Optical Fiber Communication Conference and Exhibit","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123287339","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 : 2002-03-17DOI: 10.1109/OFC.2002.1036316
Naoya Wada, H. Harai, W. Chujo
Three-hop, 40 Gbit/s, variable length all-optical packet routing with over 120 km transmission based on multi-wavelength label switching, waveband routing (label merge), and all-optical label swapping has been demonstrated experimentally for the first time. The details are expressed in the presentation.
{"title":"Multi-hop, 40 Gbit/s variable length photonic packet routing based on multi-wavelength label switching, waveband routing and label swapping","authors":"Naoya Wada, H. Harai, W. Chujo","doi":"10.1109/OFC.2002.1036316","DOIUrl":"https://doi.org/10.1109/OFC.2002.1036316","url":null,"abstract":"Three-hop, 40 Gbit/s, variable length all-optical packet routing with over 120 km transmission based on multi-wavelength label switching, waveband routing (label merge), and all-optical label swapping has been demonstrated experimentally for the first time. The details are expressed in the presentation.","PeriodicalId":347952,"journal":{"name":"Optical Fiber Communication Conference and Exhibit","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2002-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123661275","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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