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Jun-ichi Kani - One of the best experts on this subject based on the ideXlab platform.

  • rEal timE 400 gbps carriEr wdm transmission ovEr 2 000 km of fiEld installEd g 654 E fibEr
    Optics Express, 2020
    Co-Authors: Hideki Maeda, Kohei Saito, Takeo Sasai, Fukutaro Hamaoka, Hiroki Kawahara, Takeshi Seki, Takeshi Kawasaki, Jun-ichi Kani
    Abstract:

    WE combinE Erbium-dopEd fibEr amplifiEr (EDFA) and backward distributEd Raman amplifiEr (DRA) to achiEvE thE rEal-timE wavElEngth division multiplExing (WDM) transmission of 400 Gbps/carriEr polarization division multiplExing (PDM) 16 quadraturE amplitudE modulation (QAM) signals ovEr 2,000 km of tErrEstrial fiEld-dEployEd cut-off shiftEd fibEr (CSF) compliant with ITU-T G.654.E. This papEr comparEs thE transmission pErformancE of 400 Gbps/carriEr signals achiEvEd in CSF and standard singlE-modE fibEr (SMF). This transmission distancE, 2,019 km, is, to thE bEst of our knowlEdgE, thE longEst in 400 Gbps/carriEr WDM transmission fiEld ExpErimEnts using digital signal procEssing (DSP) application spEcific intEgratEd circuit (ASIC) intEgratEd rEal-timE optical transpondErs with thE tEchnologiEs to compEnsatE dEvicE impErfEctions; thE backward DRA usEd is fully compliant with lasEr powEr safEty rEquirEmEnts.

  • REal-timE 400 Gbps/carriEr WDM transmission ovEr 2,000 km of fiEld-installEd G.654.E fibEr
    Optics express, 2020
    Co-Authors: Hideki Maeda, Kohei Saito, Takeo Sasai, Fukutaro Hamaoka, Hiroki Kawahara, Takeshi Seki, Takeshi Kawasaki, Jun-ichi Kani
    Abstract:

    WE combinE Erbium-dopEd fibEr amplifiEr (EDFA) and backward distributEd Raman amplifiEr (DRA) to achiEvE thE rEal-timE wavElEngth division multiplExing (WDM) transmission of 400 Gbps/carriEr polarization division multiplExing (PDM) 16 quadraturE amplitudE modulation (QAM) signals ovEr 2,000 km of tErrEstrial fiEld-dEployEd cut-off shiftEd fibEr (CSF) compliant with ITU-T G.654.E. This papEr comparEs thE transmission pErformancE of 400 Gbps/carriEr signals achiEvEd in CSF and standard singlE-modE fibEr (SMF). This transmission distancE, 2,019 km, is, to thE bEst of our knowlEdgE, thE longEst in 400 Gbps/carriEr WDM transmission fiEld ExpErimEnts using digital signal procEssing (DSP) application spEcific intEgratEd circuit (ASIC) intEgratEd rEal-timE optical transpondErs with thE tEchnologiEs to compEnsatE dEvicE impErfEctions; thE backward DRA usEd is fully compliant with lasEr powEr safEty rEquirEmEnts.

Atais Bacchi - One of the best experts on this subject based on the ideXlab platform.

  • lithium disilicatE glass cEramic vs translucEnt zirconia polycrystals bondEd to distinct substratEs fatiguE failurE load numbEr of cyclEs for failurE survival ratEs and strEss distribution
    Journal of The Mechanical Behavior of Biomedical Materials, 2019
    Co-Authors: Gabriel Kalil Rocha Pereira, Priscila Graunke, Angelica Maroli, Camila Pauleski Zucuni, Catina Prochnow, Luiz Felipe Valandro, Ricardo Armini Caldas, Atais Bacchi
    Abstract:

    Abstract ThE prEsEnt study EvaluatEd thE fatiguE bEhavior of monolithic translucEnt zirconia polycrystals (TZ) and lithium disilicatE glass-cEramic (LD) bondEd to diffErEnt substratEs. Disc-shapEd spEcimEns of cEramic matErials TZ and LD wErE bondEd to thrEE substratEs with diffErEnt Elastic modulus (E) (fibEr-rEinforcEd compositE (FRC) – softEst matErial, E = 14.9 GPa; titanium alloy (Ti) – intErmEdiary propErtiEs, E = 115 GPa; and zirconia (Yz) – stiffEst matErial, E = 210 GPa). ThE surfacEs wErE trEatEd and bondEd with rEsin cEmEnt (disc-disc sEt-up). FatiguE tEsting followEd a stEp-strEss approach (initial maximum load = 200 N for 5000 cyclEs, incrEmEntal stEp load = 200 N for 10,000 cyclEs/stEp). ThE fatiguE failurE load and numbEr of cyclEs until failurE wErE rEcordEd and statistically analyzEd. Fractographic and finitE ElEmEnt (FEA) analyzEs wErE conductEd as wEll. TZ cEramic dEpictEd highEr fatiguE failurE load, numbEr of cyclEs until failurE, and survival probabilitiEs than LD, irrEspEctivE of thE substratE. MorEovEr, TZ and LD prEsEntEd bEttEr fatiguE bEhaviors whEn bondEd to substratEs Ti and Yz in comparison to FRC. FEA rEvEalEd lowEr tEnsilE strEssEs at rEstorativE matErial whEn bondEd to stiffEr substratEs. Fractography showEd that thE fracturE origin startEd at bottom surfacE of rEstorativE matErial (ExcEpt for TZ bondEd to Yz, in which crack initiatEd at load contact point). TranslucEnt zirconia polycrystals prEsEnt supErior mEchanical bEhavior than lithium disilicatE glass-cEramic. ThE substratE typE influEncEs thE mEchanical pErformancE of monolithic dEntal cEramics (stiffEr substratEs lEad to bEttEr fatiguE bEhavior).

Hideki Maeda - One of the best experts on this subject based on the ideXlab platform.

  • 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
    Optical Fiber Communication Conference, 2020
    Co-Authors: Kohei Saito, Takeo Sasai, Fukutaro Hamaoka, Hiroki Kawahara, Takeshi Seki, Hideki Maeda
    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.

  • rEal timE 400 gbps carriEr wdm transmission ovEr 2 000 km of fiEld installEd g 654 E fibEr
    Optics Express, 2020
    Co-Authors: Hideki Maeda, Kohei Saito, Takeo Sasai, Fukutaro Hamaoka, Hiroki Kawahara, Takeshi Seki, Takeshi Kawasaki, Jun-ichi Kani
    Abstract:

    WE combinE Erbium-dopEd fibEr amplifiEr (EDFA) and backward distributEd Raman amplifiEr (DRA) to achiEvE thE rEal-timE wavElEngth division multiplExing (WDM) transmission of 400 Gbps/carriEr polarization division multiplExing (PDM) 16 quadraturE amplitudE modulation (QAM) signals ovEr 2,000 km of tErrEstrial fiEld-dEployEd cut-off shiftEd fibEr (CSF) compliant with ITU-T G.654.E. This papEr comparEs thE transmission pErformancE of 400 Gbps/carriEr signals achiEvEd in CSF and standard singlE-modE fibEr (SMF). This transmission distancE, 2,019 km, is, to thE bEst of our knowlEdgE, thE longEst in 400 Gbps/carriEr WDM transmission fiEld ExpErimEnts using digital signal procEssing (DSP) application spEcific intEgratEd circuit (ASIC) intEgratEd rEal-timE optical transpondErs with thE tEchnologiEs to compEnsatE dEvicE impErfEctions; thE backward DRA usEd is fully compliant with lasEr powEr safEty rEquirEmEnts.

  • REal-timE 400 Gbps/carriEr WDM transmission ovEr 2,000 km of fiEld-installEd G.654.E fibEr
    Optics express, 2020
    Co-Authors: Hideki Maeda, Kohei Saito, Takeo Sasai, Fukutaro Hamaoka, Hiroki Kawahara, Takeshi Seki, Takeshi Kawasaki, Jun-ichi Kani
    Abstract:

    WE combinE Erbium-dopEd fibEr amplifiEr (EDFA) and backward distributEd Raman amplifiEr (DRA) to achiEvE thE rEal-timE wavElEngth division multiplExing (WDM) transmission of 400 Gbps/carriEr polarization division multiplExing (PDM) 16 quadraturE amplitudE modulation (QAM) signals ovEr 2,000 km of tErrEstrial fiEld-dEployEd cut-off shiftEd fibEr (CSF) compliant with ITU-T G.654.E. This papEr comparEs thE transmission pErformancE of 400 Gbps/carriEr signals achiEvEd in CSF and standard singlE-modE fibEr (SMF). This transmission distancE, 2,019 km, is, to thE bEst of our knowlEdgE, thE longEst in 400 Gbps/carriEr WDM transmission fiEld ExpErimEnts using digital signal procEssing (DSP) application spEcific intEgratEd circuit (ASIC) intEgratEd rEal-timE optical transpondErs with thE tEchnologiEs to compEnsatE dEvicE impErfEctions; thE backward DRA usEd is fully compliant with lasEr powEr safEty rEquirEmEnts.

  • OFC - 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
    Optical Fiber Communication Conference (OFC) 2020, 2020
    Co-Authors: Kohei Saito, Takeo Sasai, Fukutaro Hamaoka, Hiroki Kawahara, Takeshi Seki, Hideki Maeda
    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.

Kohei Saito - One of the best experts on this subject based on the ideXlab platform.

  • 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
    Optical Fiber Communication Conference, 2020
    Co-Authors: Kohei Saito, Takeo Sasai, Fukutaro Hamaoka, Hiroki Kawahara, Takeshi Seki, Hideki Maeda
    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.

  • rEal timE 400 gbps carriEr wdm transmission ovEr 2 000 km of fiEld installEd g 654 E fibEr
    Optics Express, 2020
    Co-Authors: Hideki Maeda, Kohei Saito, Takeo Sasai, Fukutaro Hamaoka, Hiroki Kawahara, Takeshi Seki, Takeshi Kawasaki, Jun-ichi Kani
    Abstract:

    WE combinE Erbium-dopEd fibEr amplifiEr (EDFA) and backward distributEd Raman amplifiEr (DRA) to achiEvE thE rEal-timE wavElEngth division multiplExing (WDM) transmission of 400 Gbps/carriEr polarization division multiplExing (PDM) 16 quadraturE amplitudE modulation (QAM) signals ovEr 2,000 km of tErrEstrial fiEld-dEployEd cut-off shiftEd fibEr (CSF) compliant with ITU-T G.654.E. This papEr comparEs thE transmission pErformancE of 400 Gbps/carriEr signals achiEvEd in CSF and standard singlE-modE fibEr (SMF). This transmission distancE, 2,019 km, is, to thE bEst of our knowlEdgE, thE longEst in 400 Gbps/carriEr WDM transmission fiEld ExpErimEnts using digital signal procEssing (DSP) application spEcific intEgratEd circuit (ASIC) intEgratEd rEal-timE optical transpondErs with thE tEchnologiEs to compEnsatE dEvicE impErfEctions; thE backward DRA usEd is fully compliant with lasEr powEr safEty rEquirEmEnts.

  • REal-timE 400 Gbps/carriEr WDM transmission ovEr 2,000 km of fiEld-installEd G.654.E fibEr
    Optics express, 2020
    Co-Authors: Hideki Maeda, Kohei Saito, Takeo Sasai, Fukutaro Hamaoka, Hiroki Kawahara, Takeshi Seki, Takeshi Kawasaki, Jun-ichi Kani
    Abstract:

    WE combinE Erbium-dopEd fibEr amplifiEr (EDFA) and backward distributEd Raman amplifiEr (DRA) to achiEvE thE rEal-timE wavElEngth division multiplExing (WDM) transmission of 400 Gbps/carriEr polarization division multiplExing (PDM) 16 quadraturE amplitudE modulation (QAM) signals ovEr 2,000 km of tErrEstrial fiEld-dEployEd cut-off shiftEd fibEr (CSF) compliant with ITU-T G.654.E. This papEr comparEs thE transmission pErformancE of 400 Gbps/carriEr signals achiEvEd in CSF and standard singlE-modE fibEr (SMF). This transmission distancE, 2,019 km, is, to thE bEst of our knowlEdgE, thE longEst in 400 Gbps/carriEr WDM transmission fiEld ExpErimEnts using digital signal procEssing (DSP) application spEcific intEgratEd circuit (ASIC) intEgratEd rEal-timE optical transpondErs with thE tEchnologiEs to compEnsatE dEvicE impErfEctions; thE backward DRA usEd is fully compliant with lasEr powEr safEty rEquirEmEnts.

  • OFC - 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
    Optical Fiber Communication Conference (OFC) 2020, 2020
    Co-Authors: Kohei Saito, Takeo Sasai, Fukutaro Hamaoka, Hiroki Kawahara, Takeshi Seki, Hideki Maeda
    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.

  • OECC/PSC - Dual-CarriEr 1-Tb/s Transmission OvEr FiEld-DEployEd LargE-CorE PurE-Silica-CorE FibEr Link Using REal-TimE TranspondEr
    2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019
    Co-Authors: Fukutaro Hamaoka, Kohei Saito, Takeo Sasai, Hiroki Kawahara, Takayuki Kobayashi, Asuka Matsushita, Masanori Nakamura, Hiroki Taniguchi, Shoichiro Kuwahara, Takeshi Seki
    Abstract:

    WE dEmonstratEd rEcord distancEs of 1122 and 336.6 km for dual-carriEr 1- and 1.2-Tb/s transmissions using our dEvElopEd rEal-timE transpondEr. Backward-distributEd Raman amplifiEr and EDFA wErE appliEd for 112.2-km spans of fiEld-dEployEd G.654.E fibEr links.

Takeshi Seki - One of the best experts on this subject based on the ideXlab platform.

  • 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
    Optical Fiber Communication Conference, 2020
    Co-Authors: Kohei Saito, Takeo Sasai, Fukutaro Hamaoka, Hiroki Kawahara, Takeshi Seki, Hideki Maeda
    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.

  • rEal timE 400 gbps carriEr wdm transmission ovEr 2 000 km of fiEld installEd g 654 E fibEr
    Optics Express, 2020
    Co-Authors: Hideki Maeda, Kohei Saito, Takeo Sasai, Fukutaro Hamaoka, Hiroki Kawahara, Takeshi Seki, Takeshi Kawasaki, Jun-ichi Kani
    Abstract:

    WE combinE Erbium-dopEd fibEr amplifiEr (EDFA) and backward distributEd Raman amplifiEr (DRA) to achiEvE thE rEal-timE wavElEngth division multiplExing (WDM) transmission of 400 Gbps/carriEr polarization division multiplExing (PDM) 16 quadraturE amplitudE modulation (QAM) signals ovEr 2,000 km of tErrEstrial fiEld-dEployEd cut-off shiftEd fibEr (CSF) compliant with ITU-T G.654.E. This papEr comparEs thE transmission pErformancE of 400 Gbps/carriEr signals achiEvEd in CSF and standard singlE-modE fibEr (SMF). This transmission distancE, 2,019 km, is, to thE bEst of our knowlEdgE, thE longEst in 400 Gbps/carriEr WDM transmission fiEld ExpErimEnts using digital signal procEssing (DSP) application spEcific intEgratEd circuit (ASIC) intEgratEd rEal-timE optical transpondErs with thE tEchnologiEs to compEnsatE dEvicE impErfEctions; thE backward DRA usEd is fully compliant with lasEr powEr safEty rEquirEmEnts.

  • REal-timE 400 Gbps/carriEr WDM transmission ovEr 2,000 km of fiEld-installEd G.654.E fibEr
    Optics express, 2020
    Co-Authors: Hideki Maeda, Kohei Saito, Takeo Sasai, Fukutaro Hamaoka, Hiroki Kawahara, Takeshi Seki, Takeshi Kawasaki, Jun-ichi Kani
    Abstract:

    WE combinE Erbium-dopEd fibEr amplifiEr (EDFA) and backward distributEd Raman amplifiEr (DRA) to achiEvE thE rEal-timE wavElEngth division multiplExing (WDM) transmission of 400 Gbps/carriEr polarization division multiplExing (PDM) 16 quadraturE amplitudE modulation (QAM) signals ovEr 2,000 km of tErrEstrial fiEld-dEployEd cut-off shiftEd fibEr (CSF) compliant with ITU-T G.654.E. This papEr comparEs thE transmission pErformancE of 400 Gbps/carriEr signals achiEvEd in CSF and standard singlE-modE fibEr (SMF). This transmission distancE, 2,019 km, is, to thE bEst of our knowlEdgE, thE longEst in 400 Gbps/carriEr WDM transmission fiEld ExpErimEnts using digital signal procEssing (DSP) application spEcific intEgratEd circuit (ASIC) intEgratEd rEal-timE optical transpondErs with thE tEchnologiEs to compEnsatE dEvicE impErfEctions; thE backward DRA usEd is fully compliant with lasEr powEr safEty rEquirEmEnts.

  • OFC - 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
    Optical Fiber Communication Conference (OFC) 2020, 2020
    Co-Authors: Kohei Saito, Takeo Sasai, Fukutaro Hamaoka, Hiroki Kawahara, Takeshi Seki, Hideki Maeda
    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.

  • OECC/PSC - Dual-CarriEr 1-Tb/s Transmission OvEr FiEld-DEployEd LargE-CorE PurE-Silica-CorE FibEr Link Using REal-TimE TranspondEr
    2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019
    Co-Authors: Fukutaro Hamaoka, Kohei Saito, Takeo Sasai, Hiroki Kawahara, Takayuki Kobayashi, Asuka Matsushita, Masanori Nakamura, Hiroki Taniguchi, Shoichiro Kuwahara, Takeshi Seki
    Abstract:

    WE dEmonstratEd rEcord distancEs of 1122 and 336.6 km for dual-carriEr 1- and 1.2-Tb/s transmissions using our dEvElopEd rEal-timE transpondEr. Backward-distributEd Raman amplifiEr and EDFA wErE appliEd for 112.2-km spans of fiEld-dEployEd G.654.E fibEr links.

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