G.691 ITU-T STM-64 (SDH) ITU-T G.691 (2006/03)

G.691 ITU-T (2006/03) :G STM-64 (SDH) ITU-T G.691

G G.199-G.100 G.299-G.200 G.399-G.300 G.449-G.400 G.499-G.450 G.599-G.500 G.609-G.600 G.619-G.610 G.629-G.620 G.649-G.630 G.659-G.650 G.699-G.660 G.799-G.700 G.899-G.800 G.999-G.900 G.1999-G.1000 G.6999-G.6000 G.7999-G.7000 G.8999-G.8000 -.

ITU-T G.691 STM-64 (SDH) STM-16 STM-4. STM-64. " " 29 G.691 (2008-2005) 15.ITU-T A.8 2006 i (2006/03) ITU-T G.691

(ITU-T)... (WTSA).. 1.(IEC) (ISO). " ".( ). " ".. " "... (TSB).http://www.itu.int/ITU-T/ipr/ ITU 2006.. (2006/03) ITU-T G.691 ii

1... 1... 2... 2... 2... 3... 4... 4... 7... 8... 8... 8... 12... 15... 16... 22... 22... 23... 23... 26... 26... 28... - A 28... 29... 29... 29... 30... 1.3 2.3 1.5 2.5 1.6 2.6 3.6 4.6 1.8 2.8 3.8 4.8 5.8 1.A 2.A 3.A 4.A I 1 2 3 4 5 6 7 8 iii (2006/03) ITU-T G.691

30... 31... (PMD) 33... 33...(SPM) 33... 33...SPM 34... 34... 34... 34... 34... 34... 35... (DST) 36... 3.III 36... 1.I 2.I 1.II 2.II 3.II 4.II 5.II 6.II 7.II II III 1.III 2.III 4.III 41... α IV 41... 41... 42... 43... 43... 43... 44... V 1.IV 2.IV 3.IV 4.IV 5.IV 6.IV (2006/03) ITU-T G.691 iv

ITU-T G.691 STM-64 (SDH) 1 ( ) " " STM-64 STM-16 STM-4 " STM-64. /. ".. 2...... (2005) ITU-T G.652 [1] (2003) ITU-T G.653 [2]. (2006) ITU-T G.655 [3]... (2000).. (2005).. (2005) ITU-T G.662 ITU-T G.663 (2006) ITU-T G.664 ITU-T G.671 (2005) ITU-T G.693 (2003) ITU-T G.707/Y.1322 [4] [5] [6] [7] [8] [9] 1 (2006/03) ITU-T G.691

kbit/s 2048 kbit/s 1544 (1996) ITU-T G.955 [10]... (2006) ITU-T G.957 (2006) ITU-T G.959.1 [11] [12] 3 1.3 :. R S : ( ) 1.1.3.. : 2.1.3 ( ) : ( ) 3.1.3.. :( ) 4.1.3. :ITU-T 2.3 (ITU-T G.662 (ITU-T G.661 (ITU-T G.957 (ITU-T G.955 (ITU-T G.662 (ITU-T G.662 (ITU-T G.662 (ITU-T G.662 (ITU-T G.957 ) ) ) ) ) ) ) ) ) : : : : : : : : : (2006/03) ITU-T G.691 2

(ITU-T G.662 (ITU-T G.662 (ITU-T G.662 (ITU-T G.955 (ITU-T G.957 ) ) ) ) ) : : : :S/R : 4 : (Differential Group Delay) (Avalanche Photo Diode) (Full Width at Half Maximum) (Amplified Spontaneous Emission) (Amplitude Shift Keying) (Bit Error Ratio) (Dispersion Accommodation) (Dispersion Supported Transmission) (Forward Error Correction) (For Further Study) (Extinction ratio) (Frequency Modulation) (Frequency Shift Keying) (Free Spectral Range) (Intra-Office) (Intensity Modulation) (Multi-Longitudinal Mode) (Main Path Interface) (Mode Partition Noise) (Long-Haul) (Not Applicable) APD ASE ASK BER DA DGD DST EX FEC FM FSK FSR FWHM I IM L MLM MPI MPN NA 3 (2006/03) ITU-T G.691

(Non-Return to Zero) (Optical Return Loss) (Passive Dispersion Compensator) ("p-type" intrinsic "n-type") "n (Polarization Mode Dispersion) (Pseudo-Random Binary Sequence) (Principal State of Polarization) (Root Mean Square) (Synchronous Digital Hierarchy) (Single-Longitudinal Mode) (Side Mode Suppression Ratio) (Signal to Noise Ratio) (Prechirp) " - - "p " (Short-Haul) (State of Polarization) (Self Phase Modulation) (Synchronous Transport Module of order N) (Wavelength Division Multiplex) N (Ultra Long-Haul) (Very Long-Haul) NRZ ORL PCH PDC PIN PMD PRBS PSP RMS S SDH SLM SMSR SNR SOP SPM STM-N U V WDM 5 1.5 " " ITU-T G.957.STM-64 STM-4..STM-64 : ITU-T G.957.STM - ) V ( ) L ( ) S ( ) I : "".( ) U ( (2006/03) ITU-T G.691 4

: ITU-T G.652 ( ) nm 1310 ITU-T G.652 nm 1550 1 2 ( ) nm 1550 ITU-T G.653 3 ( ) nm 1550.ITU-T G.655 5. "r" I-64. " ".( : ) nm 1310 km 20 nm 1550 km 40." " /km 0,275..nm 1310 /km 0,55 nm 1550 nm 1550 km 40/ 11 nm 1310 km 20/ 11." ".... 1c 1b.. 1c 5 (2006/03) ITU-T G.691

1550 G.655 25 I-64.5 G.959.1 P1I1-2D5 I - G.691/1a 1550 1550 1310 1310 [nm] 1550 G.653 25 I-64.3 G.959.1 P1I1-2D3 G.652 25 I-64.2 G.959.1 P1I1-2D2 G.652 2 I-64.2r G.693 VSR2000-2L2.ITU-T G.957 G.652 2 I-64.1 G.693 VSR2000-2R1 G.652 0.6 I-64.1r G.693 VSR600-2R1 [km] STM-64. - STM-16 STM-4 STM-1 L S I - 1 2 1550 G.653 80 L-64.3 5c 5c 1550 G.652 80 L-64.2 L S - G.691/1b 1310 1550 1550 1550 1310 [nm] G.652 40 L-64.1 G.959.1 P1L1-2D1 G.655 40 S-64.5 G.959.1 P1S1-2D5 G.653 40 S-64.3 G.959.1 P1S1-2D3.ITU-T G.957 G.652 40 S-64.2 G.959.1 P1S1-2D2 G.652 20 S-64.1 G.959.1 P1S1-2D1 [km] STM-64. - STM-16 STM-4 STM-1 L S I - 1 2 (2006/03) ITU-T G.691 6

1550 G.653 160 U-4.3 3 160 U-16.3 G.959.1 P1U1-1A3 3 - G.691/1c U V 1550 G.652 160 U-4.2 160 U-16.2 G.959.1 P1U1-1A2 3 1550 G.653 1550 G.652 1310 G.652 [nm] 120 120 60 [km] STM-1 V-4.2 V-4.1 STM-4 3 3 120 120 60 [km] V-16.2 STM-16 4 120 120 60 [km] V-64.2 STM-64 5d [km]. - 1 V-4.3 V-16.3 4 V-64.3 5d 2.5 MPI.(MPI)...MPI. ( ) R S MPI R S. ) MPI-S (ITU-T G.957 S. MPI-R ( )." ".1 1. 7 (2006/03) ITU-T G.691

- G.691/1 6 ( ) 12 10 (BER). STM-64.ITU-T G.707/Y.1322 (NRZ) 1.6.... ITU-T G.957.. (ASE) -. 2.6 1.2.6... (2006/03) ITU-T G.691 8

(SLM) 1.1.2.6 20 SLM.. ITU- STM-4 : ). (T G.653. (G.652 STM-64 STM-16 ). G.652 STM-64.. (MLM) 2.1.2.6 (nm) σ (RMS). 20 MLM.nm 1310 MLM : (α dϕ α = dt 1 dp. 2P dt (Chirp) 3.1.2.6 ) (Chirp). P ϕ.(chirp). ( ) (Chirp) (Chirp). ( ) rad 10 (Chirp) rad 1+ rad 1.rad 100..... 9 (2006/03) ITU-T G.691. IV

4.1.2.6. (SMSR) ( )... BER SMSR MPN.(MPN).MPN (PRBS) SMSR.(SLM) SMSR 5.1.2.6 () ). MHz 10.(FWHM) MHz 10 ( Brillouin... MPI-S..MPI-R. 2.2.6 3.2.6 : (EX) EX = 10 log10( A / B) B "1" A :. "0" "1". "0" - - (2006/03) ITU-T G.691 10

4.2.6 ) (.MPI-S. 2.. A... ( V-64.2b L-64.2b). (SPM) %10 ). SPM.m 15+ m 12+ ps 30 ( %90 13+ 10+. 11 (2006/03) ITU-T G.691

Mean level "1" of centre of logical "1 Mean level of centre of logical "0" STM-4 STM-16 STM-64 (a,c) (3 2 ) STM-64 (b) (4 2 ) x 1 /x 4 0,25/0,75 x 2 /x 3 0,40/0,60 x 3 x 2 0,2 0,2 y 1 /y 2 0,20/0,80 0,25/0,75 +0,25/ +0,75 with variable 0,25< <+0,25 y 3 /y 4 0,20/0,20 0,25/0,25 0,25/0,25 x 3 x 2 STM-64 STM-16-1 STM-16..1 UI 0 UI (A ) STM-64. STM-64 STM-16.5d 5c c b a - 2.V-64.2a L-64.2c L-64.2a - 3.V-64.3 V-64.2b L-64.3 L-64.2b - 4 - G.691/2 1 3.6.MPI-R MPI-S (2006/03) ITU-T G.691.1 ( ) : 1.3.6 12

MPI-R MPI-S ( ). (1 (2 (3 2.3.6 1.2.3.6 " "..(3.8 ) " ". nm ps/km 20 nm 1550 G.653 km ps/nm 3,3 G.652.nm 1310 G.652.. PMD.(PMD).(I 3.4.6 ) 2.2.3.6.... G.652 3.2.3.6 (DGD) ( ).. DGD DGD DGD. 1 13 (2006/03) ITU-T G.691

DGD PMD. DGD. DGD DGD. 2. DGD - G.691/2 5 10 4,2 3,0 7 10 7,7 3,5 9 10 7,4 4,0 3.3.6 km 60 G.652 STM-64 ".( )."(DA).STM-64..V III 3.8 DA 4.3.6. :. MPI-S (ORL) -.MPI-R MPI-S -.(Rayleigh).G.957/I. MPI-R MPI-S...( ) 5 3.. (2006/03) ITU-T G.691 14

. MPI-R MPI-S 5 3.( ).. 4.6 1.4.6 MPI-R. 12 10 1 (BER) MPI-S. A.... : ).( ITU-T G.783 5 3. 4 2. MPI-R 2.4.6. 12 10 1 BER 3.4.6. (BER). )...(.BER BER. 12 10 BER. 2 1. 15 (2006/03) ITU-T G.691

.... 0,3 -.( %50 ) 1. 0,1 0,2 0,1 /. I.. 4.4.6.MPI-R 7.6.1 5 3...... FEC.ITU-T G.707/Y.1322 (2006/03) ITU-T G.691 16

(3 U-4.3 ) 1565-1530 15 12 NA 10 44 33 530 NA 480 24 33 18 1 (3 U-4.2 ) 1565-1530 15 12 NA 10 44 33 3200 NA 480 24 34 18 2 STM-4 (2 - G.691/3 V-4.3 ) 1565-1530 4 0 NA 10 33 22 400 NA 480 24 34 18 1 (2 V-4.2 ) 1565-1530 4 0 NA 10 33 22 2400 NA 480 24 34 18 1 (1 V-4.1 ) 1330-1290 4 0 NA 10 33 22 200 NA 480 24 34 18 1 nm m m nm rad mw/10 MHz ps/nm ps/nm ps m m (1 ) MPI-S MPI-R MPI-S 20 - - α SMSR (EX) - - - - - - - - DGD ORL MPI-S MPI-S MPI-R MPI-R ( 12 10 1 = BER ) MPI-R /km 0,55-1.. 4.8 G.957-2. V-64.x U-16.x - 3.. :NA : 17 (2006/03) ITU-T G.691

G.959.1 U-16.3 P1U1-1A3 G.959.1 STM-16 U-16.2 P1U1-1A2 - G.691/4 V-16.3 V-16.2 (1 ) ) ) (2 1 (2 1 1565-1530 13 10 8,2 33 22 400 NA 120 24 24 9 1 1565-1530 13 10 8,2 33 22 2400 NA 120 24 25 9 2 nm m m nm rad mw/10 MHz ps/nm ps/nm ps m m MPI-S MPI-R MPI-S 20 - - α SMSR (EX) - - - - - - - - DGD ORL MPI-S MPI-S MPI-R MPI-R ( 12 10 1 = BER ) MPI-R. V-64.x U-16.x - 1.. 4.8 G.957-2. :NA : (2006/03) ITU-T G.691 18

I-64.5 G.959.1 P1I1-2D5 I-64.3 G.959.1 P1I1-2D3 STM-64 I-64.2 G.959.1 P1I1-2D2 - G.691/5a I-64.2r I-64.1 I-64.1r (1 ) MPI-S nm m - m - nm (σ) RMS - nm 20 - rad α - mw/10 MHz - SMSR - (EX) MPI-R MPI-S - - ps/nm - ps/nm - ps/nm - ps/nm - ps DGD ORL MPI-S MPI-S G.959.1 VSR2000-2L2 G.959.1 VSR2000-2R1 G.959.1 VSR600-2L2 I-64.1r (SLM) MPI-R MPI-R m ( 12 10 1 = BER ) m MPI-R -.(MLM) 19 (2006/03) ITU-T G.691

S- 64.5b G.959.1 P1S1-2D5b S- 64.5a G.959.1 P1S1-2D5a 3b S-64.2b STM-64 S- 64.3b - G.691/5b (1 ) S-64.3a S- 64.2b S- 64.2a S-64.1 nm m m nm rad mw/10 MHz - - 20 - α - - SMSR - (EX) MPI-S MPI-S MPI-R - - ps/nm - ps/nm - ps/nm - ps/nm - ps DGD ORL MPI-S MPI-R MPI-S MPI-R m ( 12 10 1 = BER ) m MPI-R APD 5a 3a S-64.2a -.PIN 5b G.959.1 P1S1-2D3b G.959.1 P1S1-2D3a G.959.1 P1S1-2D2b G.959.1 P1S1-2D2a G.959.1 P1S1-2D1 (2006/03) ITU-T G.691 20

L-64.3 1565-1530 13 10 8,2 22 16 260 NA NA NA 30 24 13 3 1 STM-64 L-64.2c (1 ) 1565-1530 2+ 2 10 22 11 1600 NA NA 30 24 26 9 2 - G.691/5c L-64.2b L-64.2a L-64.1 (1 ) (1 ) 1565-1530 13 10 8,2 22 16 1600 NA NA 30 24 14 3 2 (2 1 ) 1565-1530 2+ 2 10 22 11 1600 30 24 26 9 2 G.959.1 P1L1-2D1 nm m m nm rad mw/10 MHz ps/nm ps/nm ps/nm ps/nm ps m m MPI-S - - 20 - α - - SMSR - (EX) MPI-R MPI-S - - - - - - DGD ORL MPI-S MPI-R MPI-S MPI-R ( 12 10 1 = BER ) MPI-R DA SPM L-64.2b DA PDC L-64-2.a - 1.DA L-64.2c.(PDC) 2.3.8-2. :NA : 21 (2006/03) ITU-T G.691

V-64.3 STM-64 V-64.2b (2 ) - G.691/5d V-64.2a (1 ) ) 2 1 1565-1530 1565-1530 nm MPI-S 13 15 13 m - 10 12 10 m - nm 20 - rad α - mw/10 MHz - SMSR - 8,2 8,2 10 (EX) MPI-R MPI-S 33 33 33-22 22 22-400 2400 2400 ps/nm - NA ps/nm - NA ps/nm - NA ps/nm - 30 30 30 ps DGD 24 24 24 MPI-S ORL MPI-R MPI-S MPI-R 24 23 25 m ( 12 10 1 = BER ) 9 7 9 m 1 2 2 m MPI-R.(PDC) 2.3.8-1 PDC SPM B-64.2b DA PDC V-64.2a - 2.DA 1565-1530. :NA : 8 1.8. ITU-T G.957. (2006/03) ITU-T G.691 22

2.8.. ITU-T G.663 3.8 km 60 G.652 STM-64 ( ) DA.(DA)..STM-64 (SPM) (PDC) DA..(DST).STM-64 G.652 km 60 50 DA L-64.2.(DA) S-64.2..km 80 40 PDC.L-64.2 DA (DST PCH SPM). DA V-64.2.. km 40.. DA." ".... DA.. (PDC). (s ) PDC PDC. PDC.. 1.3.8 2.3.8 23 (2006/03) ITU-T G.691

. km 40 S STM-64 PDC ) km 40 PDC V-64.2 L-64.2..nm 1550 ps/nm 680 PDC.(3 PDC L-64.2 PDC....ITU-T G.671 PDC.. PDC - - G.691/3. PDC.4.2.6 MPI-S MPI-S.. PDC PDC PDC.. (2006/03) ITU-T G.691 24

PDC L-64.2. V-64.2.. G.653 G.652 " " PDC. m 10+. X-xx.3 X-xx.3. (SPM) 3.3.8 G.652 Kerr SPM. II.. SPM (V-64.2 L-64.2 ) km 40 15 SPM... PDC...SPM.. SPM 4.3.8...L-64.. m 1. 5.3.8 PDC SPM km 80 SPM.V-64.2 25 (2006/03) ITU-T G.691

V-64.2 L-64.2b SPM..PDC PDC (DST L-64.2) km 80 DST.PDC 6.3.8.(DST) L-64.2 DST III..V-64.2 4.8. ( ) G.957). ( S-64.x. G.957/2.2.6 G.957/1.6... 3.8 SDH /. 5.8.. ""..... (BER) (FEC).ITU-T G.707/Y.1322 FEC SDH. FEC.FEC.2.5.8 1.5.8 (2006/03) ITU-T G.691 26

1.5.8 1.1.5.8 " ". 2.1.5.8 " ".( ).(nm 1310 km 20 nm 1550 km 40 ). V 3.1.5.8.. 4.1.5.8.4.8 2.5.8... 6.8. ITU-T G.664 27 (2006/03) ITU-T G.691

.STM-64 A 1.A STM-16 STM-4 STM-16/STM-4 - G.657/B. 1.A. STM-64 - G.957/B.STM-64 (STM-64)..1.A (i (ii STM-64 0,85± 0,4± 0,85± - G.691/1.A [] a STM-16 0,5± 0,3± 0,5± STM-4 0,3± 0,2± 0,3± f/f r 1 0,001 ( ) 2 1. a - EX.(EX) 1.A. EX.d/c a/b. 0 EX Mean level "1" of centre of logical "1" Eye mask (example) a c d ( ) Average power b Mean level of centre of logical "0" Zero power - G.691/1.A (2006/03) ITU-T G.691 28

2.A.. 3.A "1" "0" EX d/c. : P EM. P EM d = 10log10 c [].. BER BER ).BER ( ).BER (.%50 ( )..... 4.A :. 3 1,3 EX. 4,3. EX.. 29 (2006/03) ITU-T G.691

I 1.I (DGD) :. 3.2.3.6 f ( τ) = 32 π 2 2 2 τ 4 τ exp 3 < τ > π < τ >.DGD.f( τ) 1.I < τ > DGD τ DGD τ DGD. PMD. PMD Area 1 = Area 2 2 0 0 Area 1 Area 2 τ - ( ) - G.691/1.I.P( τ τ 1 ) + τ 1 τ1 ( τ) ( τ) P ( τ τ1) = f d.2.i P( τ τ 1 ) τ 1 = 3 < τ> DGD DGD.2.I P( τ 3< τ >) 4 10 5 (2006/03) ITU-T G.691 30

P( τ τ 1 ) - G.691/2.I DGD DGD.. PMD 70. PMD PMD.. 17 PMD " ". (PMD) 2.I PMD. PMD 0,3 DGD. 1. (PSP) 31 (2006/03) ITU-T G.691

[] PMD Receiver with signal dependent noise (PIN : ) Receiver without signal dependent noise (e.g., PIN) PMD Average PMD penalty 0.1-0.2 () DGD - G.691/3.I ) DGD.(1.I ) DGD (PSP PMD.3.I 0,5 (PSP %50) 0,3 DGD ) 1 (PIN ).( APD : PMD (DGD) (APD ) 1 (PIN) 0,5 DGD PSP.PSP (SOP). PMD 5 10 4 0,1 PMD : ( ) DGD : 1 (SOP).PSP PSP.PSP 5 10 4 ) PMD 1 5 10 4.((PSP). 0,1 (2006/03) ITU-T G.691 32

II (SPM) 1.II. (SPM). "0" "1"." "..(SPM) " " ) ( ).( nm 1550 G.652. ( ).. SPM. 2.II. SPM : SPM.(DA) SPM. km 80 Gbit/s 10 m 13+ m 17+ SPM. 1,5 SPM 3.II SPM.SPM.. SPM. SPM ).SPM. SPM ( 33 (2006/03) ITU-T G.691

4.II STM-64 α....... 5.II Gbit/s 10 V L. Mach-Zehnder...5 4 6.II.MPI-S 7.II..5 4. III 1.III..(DA) (DST). ASK ). DST DST. ( (2006/03) ITU-T G.691 34

(DST) 2.III. ( FSK ) FSK/ASK ASK FSK.. : ν ν L. λ = νλ 2 /c. (3 ) 4. τ = λd L τ. : (. P 0 P 1 ( I ( ( " " 1.III V LP P opt V (LP). V dec ( L ( - G.691/1.III FSK/ASK : (DST) ( ) 35 (2006/03) ITU-T G.691

").. ("DST 3.III ASK FSK/ASK. FSK. (b (2a.III FSK (a FSK/ASK (b - G.691/2.III 4.III (DST) DST 6.. MPI-S 1.4.III 1.1.4.III. (2006/03) ITU-T G.691 36

ν 1 ν = ν1 ν~ MPI-S ν 0 ν~ 0 ( ) "1" ν.( ) "0" 1.1.1.4.III.IV V (t) V+(t).IV : ν c (t) = ν (t) ν r.(11110110) A1.(00101000) A2 ν ( t) = (2π ) c 1 V FSR arcsin V + () t () t.4.iv P(t) ν c (t) ν c (t) ν c (t) ν 1 ν r ν 0 ~ ν r. ν = ν1 ν~ ( 1 ) ( ~ 0 = ν νr ν 0 νr ).( G.957/1.II ) 2.1.4.III (IM) DST..MPI-S IM 1.2.1.4.III IM :2 4.2.6 IM 1.III.4.2.6 DST IM - G.691/1.III (DST) STM-64 0,2 0,3/0,6 IM x 1 /x 4 x 2 /x 3 x 3 x 2 y 1 /y 2 FM/IM 2.2.1.4.III. FM/IM IM FM FM/IM 37 (2006/03) ITU-T G.691

. FM.FM/IM :.G.957/1.B ITU-T G.652. (i (ii. (ii (i :(G.957/2.B ) H(p) U H ( p) = 0 2U 2 : FM/IM H H B H D H D G.957/B = - H B : H D 1 1 1 1 0 0.75 f 1 f 1 f 1 0.75 = f = + j = + r p = + p 1 + 0 y 2.114 fg fg fg fg : = p = j ω ω r, y = 2.114 p, ω r = 1.5πf 0, f0 = bit rate, fr = 0. 75 f 0.f g (PC).. : 2.III : f g ITU-T G.652 DST V-64.2 1400 120 DST DST L-64.2/2 DST L-64.2/1 - G.691/2.III 2500 2500 MHz 80 80 km (ITU-T G.652 ) (2006/03) ITU-T G.691 38

.4.2.6 IM :FM/IM 3.III DST FM/IM (DST) STM-64 0,2 0,3/0,6 - G.691/3.III FM/IM x 1 /x 4 x 2 /x 3 x 3 x 2 y 1 /y 2 MPI-R 2.4.III 1.2.4.III MPI-R DST. 12 10 1 (BER) MPI-S 4.III.MPI-R.DST 1.4.6...G.957/B. :DST... 2.2.4.III DST.3.4.6. DST 5.III. 4.III 39 (2006/03) ITU-T G.691

(DST) STM-64 - G.691/4.III DST V-64.2 1565-1530 17 14 3,5 6 5 0,02 35 2 33 22 2400 1600 NA NA 30 24 21 5 2 DST L- 64.2/2 1565-1530 13 10 3,5 8 7 0,02 35 3 22 16 1600 800 NA NA 30 24 14 3 2 DST L- 64.2/1 1565-1530 3 0 3,5 8 7 0,02 35 3 22 11 1600 800 NA NA 30 24 24 8 2 nm m m rad GHz GHz mw/mhz ps/nm ps/nm ps/nm ps/nm ps m m MPI-S - - α - - - - SMSR - (EX) - MPI-R MPI-S - - - - - - DGD MPI-S ORL MPI-R MPI-S MPI-R MPI-R. :NA (2006/03) ITU-T G.691 40

IV α. α Michelson 1.IV : ).(1.IV ) (Mach-Zehnder SDH 10 5 n = 2 3 5 (STM-64) 8 5 n = 2 3 5 (STM-16) - G.691/1.IV. S.... 2 23 1.. 2.IV :(FSR).. :..(2.IV ) B A 41 (2006/03) ITU-T G.691

- G.691/2.IV B A khz 100 > : 3 GHz 20 < : 3. 3.IV : t d 1 FSR = t d t d..fsr/2... SDH.. (2006/03) ITU-T G.691 42

.1.IV. 4.IV (1. PRBS.( ) T3.A.3.IV A2 A1 11110110 ) A2 A1. SDH.V A (t) (00101000.V B (t).b (2 (3 (4 (5 (6 (7 V (t) V + (t). V B (t) V A (t) 5.IV : V V + ( t) ( t) V = V = : α( t) = 2 FSR A A ( t) + V 2 ( t) V 2.V + (t) V + B B ( t) ( t) P(t) V ( t) arcsin V V t + ( t) ( t) + ( t) α(t). α(t) P(t)."1" "0" P(t).Gbit/s 10 PRBS V B (t) V A (t) 6.IV 3.IV 43 (2006/03) ITU-T G.691

- G.691/3.IV B A.5.IV [ps] α(t) P(t) 4.IV α(t) [A.U.] [A.U.] α(t) P(t) [ps] - G.691/4.IV 4.IV...... V STM-16 640 STM-16.STM-64 (2006/03) ITU-T G.691 44

.. 1.V STM-64 STM-64 Upgrade Regenerator Regenerator Regenerator STM-16 STM-16 Line amplifiers STM-64 STM-16 - G.691/1.V STM-4 STM-16 STM-4. 45 (2006/03) ITU-T G.691

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