The impact of phase errors caused by imperfect return-to-zero (RZ) pulse carving on optical differential quadrature phase-shift keying (DQPSK) is analyzed. The two-symbol-delayed interferometric demodulation is proposed as an effective means to mitigate this degradation.
{"title":"Impact of RZ pulse carver phase errors on optical DQPSK","authors":"Yan Han, Guifang Li","doi":"10.1109/OFC.2005.192985","DOIUrl":"https://doi.org/10.1109/OFC.2005.192985","url":null,"abstract":"The impact of phase errors caused by imperfect return-to-zero (RZ) pulse carving on optical differential quadrature phase-shift keying (DQPSK) is analyzed. The two-symbol-delayed interferometric demodulation is proposed as an effective means to mitigate this degradation.","PeriodicalId":265561,"journal":{"name":"OFC/NFOEC Technical Digest. Optical Fiber Communication Conference, 2005.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124797490","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}
Polymeric PLC-type thermo-optic variable optical attenuator was fabricated without residual slab waveguide by UV imprinting. Polymeric VOA showed 30 dB attenuation with 80 mW input power at 1.55 /spl mu/m. The rise and fall times are less than 5 msec.
{"title":"Fabrication of multi-channel polymeric PLC-type variable optical attenuator by UV embossing","authors":"J. Kim, Choon‐Gi Choi, H. Sung","doi":"10.1109/OFC.2005.192523","DOIUrl":"https://doi.org/10.1109/OFC.2005.192523","url":null,"abstract":"Polymeric PLC-type thermo-optic variable optical attenuator was fabricated without residual slab waveguide by UV imprinting. Polymeric VOA showed 30 dB attenuation with 80 mW input power at 1.55 /spl mu/m. The rise and fall times are less than 5 msec.","PeriodicalId":265561,"journal":{"name":"OFC/NFOEC Technical Digest. Optical Fiber Communication Conference, 2005.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124819942","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. Takahashi, Y. Deki, S. Takaesu, M. Horie, M. Ishizaka, K. Sato, K. Kudo, K. Suzuki, T. Kaneko, X. Xu, H. Yamazaki
A tunable laser consisting of a silica-waveguide triple-ring resonator connected directly to a semiconductor optical amplifier is presented. Stable single-mode, grid-hopping free and full-band wavelength-digitally-tuning operations with 50-GHz channel spacing are successfully demonstrated.
{"title":"A stable widely tunable laser using a silica-waveguide triple-ring resonator","authors":"M. Takahashi, Y. Deki, S. Takaesu, M. Horie, M. Ishizaka, K. Sato, K. Kudo, K. Suzuki, T. Kaneko, X. Xu, H. Yamazaki","doi":"10.1109/OFC.2005.193197","DOIUrl":"https://doi.org/10.1109/OFC.2005.193197","url":null,"abstract":"A tunable laser consisting of a silica-waveguide triple-ring resonator connected directly to a semiconductor optical amplifier is presented. Stable single-mode, grid-hopping free and full-band wavelength-digitally-tuning operations with 50-GHz channel spacing are successfully demonstrated.","PeriodicalId":265561,"journal":{"name":"OFC/NFOEC Technical Digest. Optical Fiber Communication Conference, 2005.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125031922","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}
R. Nejabati, D. Klonidis, D. Simeonidou, M. O'Mahony
This paper presents the hardware architecture for a user-controlled network interface supporting sub-wavelength bandwidth-on-demand services. Results show the architecture is well suited for mapping user traffic into optical packets or bursts directly controlled by the user.
{"title":"Demonstration of user-controlled network interface for subwavelength bandwidth-on-demand services","authors":"R. Nejabati, D. Klonidis, D. Simeonidou, M. O'Mahony","doi":"10.1109/OFC.2005.192762","DOIUrl":"https://doi.org/10.1109/OFC.2005.192762","url":null,"abstract":"This paper presents the hardware architecture for a user-controlled network interface supporting sub-wavelength bandwidth-on-demand services. Results show the architecture is well suited for mapping user traffic into optical packets or bursts directly controlled by the user.","PeriodicalId":265561,"journal":{"name":"OFC/NFOEC Technical Digest. Optical Fiber Communication Conference, 2005.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128406266","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. Duthel, S. Jansen, P. Krummrich, M. Otto, C. Schaffer
We demonstrate multi-channel residual dispersion compensation in a 40 Gbit/s optical transmission system with 100 GHz channel spacing using a single adaptive all-fiber delay line filter. The device is based on 3/spl times/3 fiber couplers.
{"title":"Multi-channel residual dispersion compensation in a 40 Gb/s WDM system utilizing a single all-fiber delay line filter","authors":"T. Duthel, S. Jansen, P. Krummrich, M. Otto, C. Schaffer","doi":"10.1109/OFC.2005.192817","DOIUrl":"https://doi.org/10.1109/OFC.2005.192817","url":null,"abstract":"We demonstrate multi-channel residual dispersion compensation in a 40 Gbit/s optical transmission system with 100 GHz channel spacing using a single adaptive all-fiber delay line filter. The device is based on 3/spl times/3 fiber couplers.","PeriodicalId":265561,"journal":{"name":"OFC/NFOEC Technical Digest. Optical Fiber Communication Conference, 2005.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128464649","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}
P. Bousselet, C. Simonneau, D. Bayart, P. Salet, G. Lucas-Leclin, G. Roger, P. Georges, S. Auzanneau, N. Michel, M. Calligaro, O. Parillaud, M. Lecomte, M. Krakowski
A new pump source based on a semiconductor array coupled with an external cavity laser is shown. Its broad output spectrum allows to improve the EDFA gain flatness while reducing manufacturing cost.
{"title":"EDFAs with improved gain-flatness owing to a new pump design","authors":"P. Bousselet, C. Simonneau, D. Bayart, P. Salet, G. Lucas-Leclin, G. Roger, P. Georges, S. Auzanneau, N. Michel, M. Calligaro, O. Parillaud, M. Lecomte, M. Krakowski","doi":"10.1109/OFC.2005.192963","DOIUrl":"https://doi.org/10.1109/OFC.2005.192963","url":null,"abstract":"A new pump source based on a semiconductor array coupled with an external cavity laser is shown. Its broad output spectrum allows to improve the EDFA gain flatness while reducing manufacturing cost.","PeriodicalId":265561,"journal":{"name":"OFC/NFOEC Technical Digest. Optical Fiber Communication Conference, 2005.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128487380","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 evaluated the effect of MPI noise on various modulation formats in a distributed Raman amplified system. The results show that RZ-DPSK is the most tolerant modulation format to MPI noise.
{"title":"Effects of MPI noise on various modulation formats in distributed Raman amplified system","authors":"S. Jun, E. Son, H.Y. Choi, K. Han, Y. Chung","doi":"10.1109/OFC.2005.192698","DOIUrl":"https://doi.org/10.1109/OFC.2005.192698","url":null,"abstract":"We evaluated the effect of MPI noise on various modulation formats in a distributed Raman amplified system. The results show that RZ-DPSK is the most tolerant modulation format to MPI noise.","PeriodicalId":265561,"journal":{"name":"OFC/NFOEC Technical Digest. Optical Fiber Communication Conference, 2005.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129366116","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}
Direct performance comparison between the straight line and re-circulating fiber-loop configurations was described in terms of mean Q and Q variance through 42.8 Gb/s/spl times/32 WDM transmission over 4,300 km.
{"title":"40 Gb/s-based WDM 4,300 km straight line transmission and comparison of re-circulating loop line","authors":"K. Mino, T. Ito","doi":"10.1109/OFC.2005.193158","DOIUrl":"https://doi.org/10.1109/OFC.2005.193158","url":null,"abstract":"Direct performance comparison between the straight line and re-circulating fiber-loop configurations was described in terms of mean Q and Q variance through 42.8 Gb/s/spl times/32 WDM transmission over 4,300 km.","PeriodicalId":265561,"journal":{"name":"OFC/NFOEC Technical Digest. Optical Fiber Communication Conference, 2005.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129605449","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}
The symmetric optical design and a liquid crystal attenuator array give dynamic gain equalizer low insertion loss and polarization dependent loss, as well as high spectral resolution and dynamic range in the operational temperature range.
{"title":"Dynamic gain equalizer based on liquid crystal technology","authors":"H. Yuan, J. Xu, M. Cai, W. Zhu, G. Barbarossa","doi":"10.1109/OFC.2005.192529","DOIUrl":"https://doi.org/10.1109/OFC.2005.192529","url":null,"abstract":"The symmetric optical design and a liquid crystal attenuator array give dynamic gain equalizer low insertion loss and polarization dependent loss, as well as high spectral resolution and dynamic range in the operational temperature range.","PeriodicalId":265561,"journal":{"name":"OFC/NFOEC Technical Digest. Optical Fiber Communication Conference, 2005.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127497855","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 develop a framework based on probabilistic graphical models to study the resilience of all-optical networks under crosstalk attacks. Using this framework, we identify key factors that affect the network resilience.
{"title":"Probabilistic graphical models for resilience of all-optical networks under crosstalk attacks","authors":"G. Liu, C. Ji","doi":"10.1109/OFC.2005.192560","DOIUrl":"https://doi.org/10.1109/OFC.2005.192560","url":null,"abstract":"We develop a framework based on probabilistic graphical models to study the resilience of all-optical networks under crosstalk attacks. Using this framework, we identify key factors that affect the network resilience.","PeriodicalId":265561,"journal":{"name":"OFC/NFOEC Technical Digest. Optical Fiber Communication Conference, 2005.","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2005-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126965983","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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