‫ޟ‬᭽ᑼ㧟‫ޠ‬
ណᛯ࿁ᢙ
㧞
⺖㗴⇟ภ 㧴㧝㧣㧛㧮㧝㧝
⿥㜞ㅦశࡄ࡞ࠬ೙ᓮᛛⴚߦ㑐ߔࠆ⎇ⓥ
㨇㧝㨉⚵❱
ઍ⴫⠪㧦࿯↰ ⧷ታ
㧔↥ᬺᛛⴚ✚ว⎇ⓥᚲశᛛⴚ⎇ⓥㇱ㐷㧕
ኻᔕ⠪㧦ਛᴛ ᱜ㓉
㧔᧲ർᄢቇ㔚᳇ㅢା⎇ⓥᚲ㧕
ಽᜂ⠪㧦
ᑝጟ ବᒾ㧔᧲ർᄢቇ㔚᳇ㅢା⎇ⓥᚲ㧕
ศ↰ ⌀ੱ㧔᧲ർᄢቇ㔚᳇ㅢା⎇ⓥᚲ㧕
ᝋ㑆 ኼᢥ㧔↥ᬺᛛⴚ✚ว⎇ⓥᚲ㧕
⍹Ꮉ ᶈ㧔↥ᬺᛛⴚ✚ว⎇ⓥᚲ㧕
㠽Ⴆ ஜੑ㧔↥ᬺᛛⴚ✚ว⎇ⓥᚲ㧕
ᄢ⧣ ᢕ㧔↥ᬺᛛⴚ✚ว⎇ⓥᚲ㧕
⟤Ớፉ ⮍㧔↥ᬺᛛⴚ✚ว⎇ⓥᚲ㧕
ᵩ ㌵㔗㧔↥ᬺᛛⴚ✚ว⎇ⓥᚲ㧕
Ⓑ႐ ⡸㧔↥ᬺᛛⴚ✚ว⎇ⓥᚲ㧕
Ꮉ⷏ ື਽㧔ᖱႎㅢା⎇ⓥᯏ᭴㧕
⩵ᳰ ๺ᦶ㧔᧲੩ᄢቇ㧕
⚊ን 㓷਽㧔㧺㨀㨀㧕㩷
ዊᨋ ഞ㇢㧔᧲੩Ꮏᬺᄢቇ㧕
⎇ⓥ⾌㧦ᶖ⠻ຠ⾌㧟ਁ㧣ජ౞㧘ᣏ⾌㧞㧢ਁ㧤ජ౞
㨇㧞㨉⎇ⓥ⚻ㆊ
ᜬ⛯ᤨ㑆߇ࡇࠦ㨪ࡈࠚࡓ࠻⑽㗔ၞߩ⿥㜞ㅦశࡄ࡞
ࠬࠍ㜞ᐲߦ೙ᓮߔࠆᛛⴚߩ㐿⊒ߪ‫ᤨޔ‬ಽഀᄙ㊀ᣇᑼ
ߩశㅢାࠪࠬ࠹ࡓ‫ޔ‬ᭂ㒢ᤨ㑆ၞߩశ⸘᷹‫ޔ‬శ๟ᵄᢙ
ᮡḰ࡮⸘᷹╬ߩᔕ↪ߦ߅޿ߡᭂ߼ߡ㊀ⷐߥ⺖㗴ߢ޽
ࠆ‫⿥ޕ‬㜞ㅦశࡄ࡞ࠬ೙ᓮᛛⴚߦ㑐ߔࠆ⎇ⓥߢߪ‫ޔ‬ᰴ
਎ઍߩ⿥㜞ㅦశ೙ᓮᛛⴚߩ⏕┙ࠍ⋡ᜰߔߎߣࠍ⋡⊛
ߣߒߡ‫᧲ޔ‬ർᄢቇ࡮㔚᳇ㅢା⎇ⓥᚲ‫↥ޔ‬ᬺᛛⴚ✚ว
⎇ⓥᚲ╬ߩ⎇ⓥ⠪ߩ㑆ߢ‫⿥ޔ‬㜞ㅦశࡄ࡞ࠬ೙ᓮᛛⴚ
ߦ㑐ߔࠆ⎇ⓥ⸛⺰ࠍⴕ޿‫⎇ޔ‬ⓥᵴേߩ⚫੺ߣ዁᧪ߩ
ᣇะᕈߦ㑐ߔࠆ⼏⺰ࠍⴕߞߚ‫ޕ‬
ᧄࡊࡠࠫࠚࠢ࠻ߪ㧘ᧄᐕᐲ߇㧞ᐕ⋡ߦᒰߚࠅ‫ޔ‬ᐔ
ᚑ㧝㧤ᐕ㧝㧝᦬㧝㧟ޯ㧝㧠ᣣߦ㔚᳇ㅢା⎇ⓥᚲߦ߅
޿ߡ‫᧲ޔ‬ർᄢቇ‫↥ޔ‬ᬺᛛⴚ✚ว⎇ⓥᚲ‫ޔ‬ᖱႎㅢା⎇
ⓥᯏ᭴‫᧲ޔ‬੩ᄢቇ‫ޔ‬㧺㨀㨀‫᧲ޔ‬੩Ꮏᬺᄢቇߩ⎇ⓥ⠪
߇ෳടߒߡ⎇ⓥળࠍ㐿௅ߒ‫ޔ‬
㧝㧠ઙߩ⊒⴫ࠍⴕߞߚ‫ޕ‬
⿥㜞ㅦశࡄ࡞ࠬવㅍ‫ޔ‬
ㆡᔕಽᢔ╬ൻ‫ޔ‬
శ૏⋧ᄌᓳ⺞‫ޔ‬
శࠢࡠ࠶ࠢ᛽಴‫ޔ‬
⿥㜞ㅦశ࠺ࡃࠗࠬ‫ޔ‬
శ๟ᵄᢙ⸘᷹‫ޔ‬
శ๟ᵄᢙࠪࡦ࠮ࠨࠗࠩ‫ޔ‬శಽ๟‫ޔ‬శࡈࠔࠗࡃ࡟࡯ࠩ
╬ߩ⊒⴫ߦኻߒߡ‫ޔ‬ᵴ⊒ߥ⸛⺰ࠍⴕߞߚ‫⎇ޕ‬ⓥળߩ
ࡊࡠࠣ࡜ࡓࠍએਅߦ␜ߔ㧔٤ߪ⊒⴫⠪ࠍ␜ߔ㧕
‫ޕ‬
㧝㧝᦬㧝㧟ᣣ㧔᦬㧕
㧝㧚㐿ળ᜿ᜦ ਛᴛᱜ㓉㧔᧲ർᄢቇ㧕
㧞㧚๟ᵄᢙ቟ቯൻ࡟࡯ࠩߣዪ⊒࡟࡯ࠩࠍ↪޿ߚ 64‫ޔ‬
128 ࠦࡅ࡯࡟ࡦ࠻ QAM વㅍߩၮ␆ታ㛎㧦٤ᧄ
ㇹᷕᐔ‫⷏⪾ޔ‬ᕺ੺‫ޔ‬ศ↰⌀ੱ‫ޔ‬ਛᴛᱜ㓉㧔᧲ർ
ᄢቇ㧕
㧟㧚㔚᳇శቇᄌ⺞ེߦࠃࠆ⿥㜞ㅦశᝄ᏷࡮૏⋧࡮๟
ᵄᢙ೙ᓮ㧦Ꮉ⷏ື਽㧔ᖱႎㅢା⎇ⓥᯏ᭴㧕
㧠㧚࠺ࠫ࠲࡞ࠦࡅ࡯࡟ࡦ࠻శฃାེ㧦٤⩵ᳰ๺ᦶ㧔᧲
੩ᄢቇ㧕
㧡㧚ᤨ 㑆 㗔 ၞ శ ࡈ ࡯ ࡝ ࠛ ᄌ ឵ ࠍ ↪ ޿ ߚ 160
Gbit/s-600 km OTDM વㅍ㧦٤ᑝጟବᒾ‫↢⪤ޔ‬
↰⎇৻‫ޔ‬ᾢୖፏ‫ޔ‬ᄢỈ⠹‫ޔ‬ਛᴛᱜ㓉㧔᧲ർᄢቇ㧕
㧢㧚ౣ↢ࡕ࡯࠼หᦼඨዉ૕࡟࡯ࠩࠍ↪޿ߚ 160Gb/s
శࠢࡠ࠶ࠢ᛽಴㧦٤࿯↰⧷ታ䋨↥ᬺᛛⴚ✚ว⎇ⓥ
ᚲ䋩
㧣㧚శࠦࡓࠍ↪޿ߚ㜞♖ᐲ〒㔌ᮡḰߩ㐿⊒㧦٤⟤Ớ
ፉ⮍‫ޔ‬
Ⓑ႐⡸‫ޔ‬
᧻ᧄᒄ৻
㧔↥ᬺᛛⴚ✚ว⎇ⓥᚲ㧕
‫ޔ‬
㘵㊁⟵ⴕ‫ޔ‬ᾢ⼱⮍㧔࠻ࡊࠦࡦ㧕
㧤㧚Cs ੑ㊀౒㡆శ࠮࡞ࠍ↪޿ߚࡕ࡯࠼หᦼ࡟࡯ࠩ
ဳశේሶᤨ⸘ߩឭ᩺ߣߘߩേ૞㧦٤ᐔጊᔀ‫ޔ‬ศ
↰⌀ੱ‫ޔ‬ਛᴛᱜ㓉㧔᧲ർᄢቇ㧕
㧥㧚శ๟ᵄᢙ᝹ᒁ߇น⢻ߥ 40 GHz ࡇࠦ⑽ࡕ࡯࠼ห
ᦼࡈࠔࠗࡃ࡟࡯ࠩ㧦٤ศ↰⌀ੱ‫⷏⪾ޔ‬ᕺ੺‫ޔ‬ਛ
ᴛᱜ㓉㧔᧲ർᄢቇ㧕
㧝㧝᦬㧝㧠ᣣ㧔Ἣ㧕
㧝㧚ࡢࠗ࠼ࠡࡖ࠶ࡊ ++8+ ᣖඨዉ૕㊂ሶ੗ᚭࠨࡉࡃ
ࡦ࠼㑆ㆫ⒖ࠍ೑↪ߒߚ⿥㜞ㅦࠬࠗ࠶࠴ߩૐࠛࡀ
࡞ࠡ࡯േ૞ൻ㧦٤⑺ᧄ⦟৻‫)ޔ〝৻↰⑺ޔ‬WCPIYGK
%QPI‫ޔ‬ᝋ㑆ኼᢥ‫ޔ‬⍹Ꮉᶈ㧔↥ᬺᛛⴚ✚ว⎇ⓥᚲ㧕
㧞㧚+P)C#U#N#U#N#U5D ඨዉ૕㊂ሶ੗ᚭࠨࡉࡃࡦ࠼
㑆ㆫ⒖ߩ⋧੕૏⋧ᄌ⺞ࠍ↪޿ߚ )DU ᵄ㐳ᄌ
឵㧦٤࿯↰⧷ታ‫ޔ‬ਅጊፄผ‫ޔ‬⍹Ꮉᶈ‫‛ޔ‬㓸ᾖᄦ‫ޔ‬
᳗ἑᚑ▸㧔↥ᬺᛛⴚ✚ว⎇ⓥᚲ㧕
‫⷏⪾ޔ‬ᷕ৻㧔ᣣ
┙⵾૞ᚲ㧕
㧟㧚+P)C#U#N#U#N#U5D ࠨࡉࡃࡦ࠼㑆ㆫ⒖ࠬࠗ࠶࠴
ߦ߅ߌࠆ 6/ శߦࠃࠆ 6' శ૏⋧ᄌ⺞ߩࡔࠞ࠾࠭
ࡓ㧦٤⍹Ꮉᶈ‫ޔ‬࿯↰⧷ታ‫ޔ‬ਅጊፄผ‫‛ޔ‬㓸ᾖᄦ‫ޔ‬
᳗ἑᚑ▸‫ޔ‬ᝋ㑆ᄈᢥ㧔↥ᬺᛛⴚ✚ว⎇ⓥᚲ㧕
㧠㧚dz/4 ࠪࡈ࠻஍ᵄ଻ᜬ &($ ࡈࠔࠗࡃ࡟࡯ࠩߩ࡝ࡦ
ࠣ౒ᝄེൻߣ⊒ᝄ․ᕈߩะ਄㧦٤㋈ᧁ⡡ੱ‫ޔ‬㜞
ᯅ㓁ᐔ‫ޔ‬ਛᴛᱜ㓉㧔᧲ർᄢቇ㧕
㧡㧚ࡈࠜ࠻࠾࠶ࠢ⚿᥏࠽ࡁ౒ᝄེࠍ↪޿ߚశ೙ᓮߩ
ዷ㐿㧦٤⚊ን㓷਽䋨䌎䌔䌔䋩
㧢㧚․ቯ㗔ၞ⎇ⓥ"ᣂ਎ઍశㅢା̍ߩ⎇ⓥᵴേ⚫੺㧦
٤ዊᨋഞ㇢㧔᧲੩Ꮏᬺᄢቇ㧕
㧣㧚㐽ળ᜿ᜦ ࿯↰⧷ታ㧔↥ᬺᛛⴚ✚ว⎇ⓥᚲ㧕
㨇㧟㨉ᚑᨐ
㧔㧟㧙㧝㧕⎇ⓥᚑᨐ
ᧄᐕᐲߪ㧘એਅߦ␜ߔ⎇ⓥᚑᨐࠍᓧߚ‫ޕ‬
Ԙ๟ᵄᢙ቟ቯൻߒߚశࡈࠔࠗࡃ࡟࡯ࠩࠍㅍାེ‫ޔ‬
߅
ࠃ߮ዪㇱ⊒ᝄེߣߒߡ↪޿ߚ⋥੤ᝄ᏷ᄌ⺞
㧔3#0㧕
વㅍታ㛎ࠍⴕ޿‫ޔޔ‬3#/ ାภߦኻߒߡ‫ߘޔ‬
ࠇߙࠇ MO ߩવㅍࠍታ⃻ߒߚ‫ޕ‬
ԙ⿥㜞ㅦశᝄ᏷࡮૏⋧࡮๟ᵄᢙߩ೙ᓮࠍน⢻ߦߔࠆ
ᄙᯏ⢻శᄌ⺞ེࠍ㐿⊒ߒ‫(ޔ‬5-‫&ޔ‬325- ߥߤ⒳‫ޘ‬
ߩᄌ⺞ାภߩ⊒↢‫ޔ‬
ࠕࡦࡃ࡜ࡦࠬ⵬ᱜߦࠃࠆᶖశ
Ყߩะ਄‫⥄ࠬࠕࠗࡃޔ‬േ೙ᓮࠍታ⃻ߒߚ‫ޕ‬
Ԛ࠺ࠫ࠲࡞ାภಣℂ㧔&52㧕࿁〝ࠍ↪޿ߚ࠺ࠫ࠲࡞
ࠦࡅ࡯࡟ࡦ࠻శฃାེࠍ㐿⊒ߒ‫)ޔ‬U[ODQNU ߩ
/CT[25- ାภߩᓳ⺞ࠍⴕ޿‫&ޔ‬52 ߦࠃࠆ⟲ㅦᐲ
ಽᢔߣ㕖✢ᒻ૏⋧㔀㖸⵬ఘࠍታ⃻ߒߚ‫ޕ‬
ԛᤨ㑆㗔ၞࡈ࡯࡝ࠛᄌ឵ࠍ↪޿ߚ )DU વㅍࠪ
ࠬ࠹ࡓታ㛎ࠍⴕ޿‫ޔ‬
ಽᢔߣಽᢔࠬࡠ࡯ࡊߦࠃࠆᵄ
ᒻᱡߺ㒰෰ߔࠆߎߣߦࠃࠅ‫ޔ‬MO વㅍࠍታ⃻ߒ
ߚ‫ޕ‬
Ԝౣ↢ࡕ࡯࠼หᦼඨዉ૕࡟࡯ࠩࠍ↪޿ߚ )DU
శࠢࡠ࠶ࠢ᛽಴ᛛⴚࠍ㐿⊒ߒ‫ࠬ࡞ࡄޔ‬᏷ RU‫ޔ‬
࠲ࠗࡒࡦࠣࠫ࠶࠲࡯HU ࠍᓧߚ‫ޔߚ߹ޕ‬ඨዉ૕
శჇ᏷ེࠍశࠥ࡯࠻ࠬࠗ࠶࠴ߣߒߡ↪޿ߚ
)DU శ㧟㧾ౣ↢ߩၮᧄേ૞ࠍ⏕⹺ߒߚ‫ޕ‬
ԝశ๟ᵄᢙࠦࡓࠍ೑↪ߒߚ㜞♖ᐲ〒㔌⸘ࠍ㐿⊒ߒ‫ޔ‬
O ߩ〒㔌ߦ߅޿ߡ๟ᦼ⺋Ꮕ ǴO‫ޔ‬O ߩ〒㔌
ߦ߅޿ߡಽ⸃⢻ PO ࠍᓧߚ‫ޔߚ߹ޕ‬น៝ဳߩࡊ
ࡠ࠻࠲ࠗࡊᯏࠍ㐿⊒ߒ‫ޔ‬࿖㓙Ყセߦෳടߒߚ‫ޕ‬
Ԟ%U ੑ㊀౒㡆࠮࡞ࠍ↪޿ߚࡕ࡯࠼หᦼ࡟࡯ࠩဳේ
ሶᤨ⸘ࠍឭ᩺‫ޔ‬㐿⊒ߒ‫ޔ‬๟ᵄᢙ቟ቯᐲ Z
㧔ǼU㧕
‫ޔ‬Z㧔ǼU㧕ࠍታ⃻ߒ‫৻ޔ‬ᰴ
ᮡḰེߣห╬ߩ቟ቯᐲࠍᓧߚ‫ޕ‬
ԟ⍴౒ᝄེൻߣ౒ᝄེౝࠛ࠲ࡠࡦߩ೑↪ߦࠃࠅ‫ޔ‬
๟
ᵄᢙ᝹ᒁน⢻ߥ )*\ ࡕ࡯࠼หᦼశࡈࠔࠗࡃ࡟
࡯ࠩࠍታ⃻ߒߚ‫ޕ‬PO ߩᵄ㐳นᄌ▸࿐ౝ
ߢ RU ߩ⍴ࡄ࡞ࠬ಴ജࠍᓧߚ‫ޕ‬
Ԡ%F5<P5G$G6G ㊂ሶ੗ᚭߩࠨࡉࡃࡦ࠼㑆ㆫ⒖ࠍ
೑↪ߒߚ⿥㜞ㅦశࠬࠗ࠶࠴ࠍ㐿⊒ߒ‫ޔ‬
ዉᵄ〝ဳ⚛
ሶߦ߅޿ߡ‫✭ޔ‬๺ᤨ㑆 HU‫࡞ࡀࠛࡊࡦࡐޔ‬
ࠡ࡯R, ߦ߅޿ߡᶖశᲧ F$ ࠍታ⃻ߒߚ‫ޕ‬
ԡ+P)C#U#N#U#N#U5D ㊂ሶ੗ᚭߩࠨࡉࡃࡦ࠼㑆ㆫ
⒖ߦ߅ߌࠆ⋧੕૏⋧ᄌ⺞ലᨐ
㧔:2/㧕
ࠍ೑↪ߒߡ‫ޔ‬
)DU ᵄ㐳ᄌ឵ࠍታ⃻ߒ‫ࠖ࠹࡞࠽ࡍ࡯ࡢࡄޔ‬
F$ ࠍᓧߚ‫ޔߚ߹ޕ‬:2/ ࠍ೑↪ߒߚ⒳‫ߩޘ‬శା
ภಣℂ࿁〝ࠍឭ᩺ߒߚ‫ޕ‬
Ԣ+P)C#U#N#U#N#U5D ㊂ሶ੗ᚭߩࠨࡉࡃࡦ࠼㑆ㆫ
⒖ߦ߅ߌࠆ⋧੕૏⋧ᄌ⺞ലᨐ߇‫ޔ‬
ࡃࡦ࠼㕖᡼‛ᕈ
ߦ㑐ㅪߒߚࡊ࡜࠭ࡑലᨐߦࠃࠅ⺑᣿ߢ߈ࠆߎߣ
ࠍℂ⺰⸃ᨆߦࠃࠅ␜ߒߚ‫ޕ‬
ԣ࡝ࡦࠣ౒ᝄེဳdz ࠪࡈ࠻ &($ శࡈࠔࠗࡃ࡟࡯
ࠩࠍ⹜૞ߒ‫ޔ‬
శ಴ജ O9‫ޔ‬
ࠬࡍࠢ࠻࡞✢᏷ M*\‫ޔ‬
⋧ኻᒝᐲ㔀㖸F$*\ ࠍᓧߚ‫ޕ‬
Ԥࡈࠜ࠻࠾࠶ࠢ⚿᥏ߦࠃࠅ࠽ࡁ౒ᝄེࠍ⹜૞ߒ‫ޔ‬
㧽
୯ Z ‫ޔ‬ૐࠛࡀ࡞ࠡ࡯ߩశࠬࠗ࠶࠴ࡦࠣߣ෺቟
ቯࡔࡕ࡝േ૞ࠍታ⃻ߒߚ‫ޕ‬
ԥᢥㇱ⑼ቇ⋭․ቯ㗔ၞ⎇ⓥ
‫ޟ‬ᣂ਎ઍశㅢାߩࠗࡁࡌ
࡯࡚ࠪࡦ‫ߩޠ‬ၮᧄ᭴ᗐ‫ޔ‬ฦࠗࡁࡌ࡯࡚ࠪࡦߩ᭎ⷐ
ߣㅴ᝞⁁ᴫࠍ⚫੺ߒߚ‫ޕ‬
㧔㧟㧙㧞㧕ᵄ෸ലᨐߣ⊒ዷᕈߥߤ
⿥㜞ㅦశㅢାᛛⴚߦ㑐ߒߡᦨవ┵ߩࡐ࠹ࡦࠪࡖ࡞
ࠍ᦭ߔࠆ᧲ർᄢቇ࡮㔚᳇ㅢା⎇ⓥᚲߣ‫⿥ޔ‬㜞ㅦశ࠺
ࡃࠗࠬᛛⴚ‫⿥ޔ‬⍴ࡄ࡞ࠬ࡟࡯ࠩᛛⴚ‫ޔ‬ᮡḰ࡮⸘᷹ᛛ
ⴚߦታ❣ࠍ᦭ߔࠆ↥ᬺᛛⴚ✚ว⎇ⓥᚲߩ⎇ⓥ⠪‫߅ޔ‬
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ߎߣ߇ᦼᓙߢ߈ࠆ‫ޕ‬
㨇㧠㨉ᚑᨐ⾗ᢱ
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