Ghep Kenh Theo Buoc Song

8/2/2019 Ghep Kenh Theo Buoc Song

1/109

Tm hi

Cc thnh vin trong nhm

Nguy nh 08520354

Ph 08520317

Nguy 08520517

Hong M 08520165 08520391

Gio vin

ThS. Ng Hn Chiu


2/109

MM

THU

I: GI

I: S

II: Gi

III: Nguyn l ghp knh quang theo b

1: Gi

1.1: Truy

1.2: Truy

2: Cc tham s

I: Cc thi

1: Cc b

1.1. B

1.2: B ch l

1.3: Thi -DEMUX):

2: Thi tn s

2.2. Dng cch t

2.2.1. M

2.2.2. Cch t

2.2.3. i

2.2.4. Cch t


3/109

II. CC THI

III. M

1. B cng ngh

1.1 Nguyn l chung

1.2. B

1.3. Thi

2. AWG v nh

QUANG WDM

I: S

1: Kh

2: Kho :

II: V

1:

2: Yu c

III: Xuyn nhi

IV: Suy hao Qu

V: Tn s B tn s

IV: phi tuy

1. Hi

2. Hi

3. Hi

4. Hi

5. Hi


4/109

VII: B

2

3. Tch lu

I. Cng ngh

1. C

t

2.3: EDAF trong h

I: Phn c

II. Hai ki

1. M

2. M

1.

IV. Phn ph

2. Ch

V: B

1. B

2. B


5/109

VI. WDM v SDH.

VII. M

VIII. V

IX. Thi

V. M

1. M

2. C

2.1. C

2.2. C

2.3: Quan h

3. C g.

4. So snh SHR/ADM v SHR/WDM

K


6/109

THUVi t t t Ti ng Anh Ti ng Vi tADMAGANAOTF

APD

AWGM

ATM

ADPAWCDCADEMUXDSF

DXCDLEDWDM

FBGEDFA

FDMFFWF

GMPLS

GWIPISDNLANLCLCPLCG

Add/drop multiplexerAuxiliary GraphAcces NodeAcousto OpticTurnable FilterAvalanche Photodiode

Arrayed - WavelengthGrating MultiplexerAsynchronous Transfer Mode

Avalanche Photo DiodeAvailable WavelengthCoreDistinct Channel AssignmentDemultiplexerDispersion Shifted Fiber

Digital Cross ConnectDynamic Lightpath EstablishmentDifferential WavelengthDivision MultiplexerFibre GratingErbium doped fiber amplifer

Frequency Division MultiplexingFirst Fit Wavelength First

Generalized Multiple ProtocolLabel SwithchingGatewayInternet ProtocolIntegrated service digital networkLocal Area NetworkLogical ConnectionLeast Congested PathLogical Connection Graph

B ghp knh xen kD ng m th phNt truy nh pB l c thanh quang

u ch nht quang thc

B i quangd n sng ki u dn

c truy n khngng b

t quang thcc sng kh d ngng tr c

Gn knh ring bi tB gi i ghp knhS i d ch tn s c

N i cho sThi t l p lu ng quang

csng vi sai

i s i quangKhu i s i quangtr n erbiumGhp knh phn chia t n sThu c sngtheo th t c sng

Chuy n m ch nhgiao th c t ng qutC ngGiao th c internetM ng s lin k t d ch vM ng c c bK t n i logic

nh tuy ng ngh n t nh tng k t n i logc bi


7/109

LF

LECLL

LSP

LSR

LU

M

MESHMPLSNP-

NZ-DSF

OADMOC

O/E/OOchOLAOXCOTDM

RWA

SDHSGC

SONETSNCP

STMSWRSOS

TAW

Largest First

Least Converter FirstLeast Loaded

Label Swithched Path

Label Swithching Router

Least Used

Max-Sum

MeshMulti Protocol Label SwithchingSubset of class NPproblem complete

Non-Zero Dispersion Shifted Fiber

Optical add/drop multiplexerOptical Circulator

Optical/Electrical/ OpticalOptical ChannelOptical Line AmplifierOptical Cross ConnectOptical Time Division Multiplex

Routing and WavelengthAssignmentSynchronous Digital HierarchySequential Graph Coloring

Synchronous Optical NetworkSub-Network ConnectionProtectionSynchronous Transport ModuleStatic Wavelength RoutingSpace Optical Switch

Total wavelength and Availablewavelength

Thu c sngt b c l n nh t

Chuy c sngtheo th t cao nh tThu csng d a trn t i t nh tLu ng chuy n m ch nhn

B nh tuy n chuy nm ch nhn

c sng d a trnc sng s d ng t nh t

Thu c sng d atrn t ng l n nh tD iChuy n m ch nhn th cT p h p con c a l p cc bi

c xem lkh gi iS i quang d ch chuy n tn s ckhc khngB ghp knh xen/r quangB u vng quang

n/ QuangKnh quangKhu ng quangN i cho quangGhp knh quang phn chiath i gian

nh tuy c sng

Phn c p s ng bth tu n t

M ng bB o v k t n i m ng con

Modun truy n t ng bB nh tuy c sng tChuy n m ch quang khnggianT c sng c a cc

c sng kh d ng


8/109

TDM

ThrTSIWADM

WCWDMWGR

WPWRWRSOSCDFKDFFSMFDCFCBFGOAOADMOXCOMS-DP

OMS-SP

OMSRWA

SLEWCARCLRCA

RsvWRN

Time Division Multiplexing

Thr - Protecting ThresholdTime Slot InterchangerWavelength Add- Drop Multiplexer

Wavelegth ConverterWavelength Division MultiplexWaveguide Grating Router

Wavelength PathWavelength RouterWavelength Router SwitchOptical Supervision ChanelDispersion Shifted FiberDispersion Flattened FiberSingle Mode FiberDispersion Compensating FiberChirper Bargg Fiber GratingOptical AmplifierOptical Add Drop MultiplexerOptical Cross ConnectOptical Multiplexer Section

Dedicated ProtectionOptical Multiplexer SectionShared ProtectionOptical Multiplexer SectionRouting and WavelengthAssignmentStatic Lightpath EstablishmentWavelength conveter AwaveRelative Capacity LossRouting and Channel Assignment

Wavelength ReservationWavelength Router Network

Ghp knh phn chia theoth i gian

ng b o vi khe th i gianB nh c sng

B chuy c sngc sng

B nh tuy i quangd n sng

c sngB nh tuy c sng

nh tuy c sngKnh gim st quangS i d ch tn s cS i tn s c ph ngSS i b tn s cCch t BarggKhu i quangB xen tch quangK t n i cho quangB o v dng ring m n

ghp knh quangB o v dng chung m nghp knh quang

n ghp knh quangnh tuy c sng

Thi t l p lu ng quang tB chuy c sngT n th i

nh tuy n v gn knh

cM nh tuy c sng

L


9/109


10/109

: GI

I: SCng ngh tr thnh nhn t

mthng d c ski gp ph

hthhnh h -t

1980 sgtht . Cc knh ny n

c hd

tch hdkinh t

phi th t hi chuy

h scc knh h n100%/mgi thnh c i h


11/109

Cc giphn c

WDM. S i hqu

tuybnhgiquang khc. Mgi ki

xu

II: Gi

Ngay t bi t shi

ph dngy nay, t hau m

chnh th

th yd

- vicng ngh c nhxu chdB/km t cho th

t

vnh

d

Suy hao truy Khng b


12/109

C tnh b S SChnh b c s

cc nh khai thc viv

ti to lc

M hnh chung c

Hnh 1.1: Cc thnh ph ng

Cc thnh phthu quang. Ph


13/109

v

Phthnh. Ngoi cc thnh ph

quang (connector), cc mtuy

hao th

bs

cm hao s

nay ch

Ngu

Laser bn d ph htin quang, v

dngi

bi

t ph h

Tn hi s

hquang

t

thchuy

c

tr


14/109

nh ng vc

Khi khob

thi t v thinhau. Thi

hipht quang th

th

Trong cc tuys mngupht vo s

squang. V

rnh

Hn


15/109

III: Nguyn l ghp knh quang theo b

1: Gi

d r

cqu trnh bi

dm thnng cao t

chi ph cho cc gi t i hcng ngh kh

Hnhi

mring r r -9

dph

d ng phn c(SDH/SONET). Cc nh cung c s

cho vi s

Gbit/s v ti nh thh

1.1: TruyH

m d nh 1.3),

1 , 2 ,...., n thng qua b

knh t n m

tch knh quang tch cc tn hi


16/109

hi ml gi

Hnh 1.3: S

1.2: Truy

H

1, 2, ..., n qua b

nhau truy n+1,

n+2,..., 2n(song cng).

Hnh 1.4: S


17/109

Hri. H

i h huc suy hao nh

tch sng quang phknh c h quang th

cc bsng c

H haotruy

ho thnh ph

xuyn knh githchituy

b -xt cho c b

ho(MUX), cc b -DEMUX). Ccbcn lo -

H p/tch h -DEMUX).


18/109

2: Cc tham s

Cc tham s

b

ghp/tch h c k hi i) v O( k

k( k) l tn hi

k, tn hi i( i) l tn hi

i

pht m chng, cho nn v

xt cc thng s

Suy hao xen:truy

bao gthn thi c di

b l

Li(MUX) = -10logii

i

I

O(1.1)

Li(DEMUX) = -10logi

ii

I

O(1.2)

V i l suy hao t i khi thi

dquang c


19/109

Hnh 1.6. Xuyn knh

v - tch h

Suy hao xuyn knh: m t hisang knh khc. Cc m

n chung, ph -30dB) trong m

Trong m

i ilun lun tthi

Di( k) = -10log [Ui( k)/I( k)] (1.3)

i( kkhng mong mu k do c s ng ra ch

c tn hi i. Trong thi

ph

k) sinh ra Ui( kg

Ui( j). Khi cho ra cc s

v

: l dNvi ch c

nguho

knh ph


20/109

c tquang v cng ngh

th

snguyn t Ngy nay, cng v

khng ngl v

v c ng truyl

v

Cc ph

nh 2.1:


21/109

Hnh 2.1: Phn lo

nguyn l ccthi c

c

Cc bt

Thi

Thi

th

thimode, chng c nh

viv

I: Cc thi

Cc thi

khc nhau l: cc thi i


22/109

ira t

1: Cc b

Trong thi -b

hnh 2.2.

Hnh 2.2. B

B-Perot,

g ch nhau chtrong su

Hnh 2.3. C

B 0

v 2 c n =1,35 ho 2 c n = 1,46 v v 2 c n = 2,2.

xn


23/109

chm nh sngcong phn b nh 2.4:

Hnh 2.4. Phn bB c (hnh 2.5a l thng cao v

hnh 2.5b l thng th rung tm 0

(hnh 2.5c). T l hm truy

Hnh 2.5. Cc

Cc bc khoLor

thng gicong hm truy

ngu


24/109

1.1. B

C

th h

1 v ph 2 s

Hnh 2.6. C

a) C

Cc thir

nm v 1300 nm, ho800 nm v 830 nm; 800 nm v 890 nm; 1200 nm v 1300 nm; ho

nm vv..., v25dB.


25/109

1.2: B

Thi m

sng v ph

Hnh 2.7. C

Trong ths

Hnh 2.8 l b ng dng thsu


26/109

Hnh 2.8. M

tthoa

Hnh 2.9. C

tr

1.3:Thi -DEMUX):

Hnh 2.10 th - m

v 0,89 m t


27/109

qua s m v 1,3 m t

tia

vo dng lo

Hnh 2.10. Thi -

BPF - B

LWPF - B

SWPF - B

c m; 2,6 dB

m khi dng Laser diode v 5,2 dB


28/109

0,81 m khi dng LED. Suy hao xuyn m b -

sng ng -3,9 dB.

M - nh 2.11.

Hnh 2.11. Thi -

C

sng 0,825 m t m t

chung vo v t m tv t

0,82

5 m

0,87

0 m

1,3

m

Suy hao xen (dB) 0,4 0,75 1,3

Suy hao xuyn m -0,6

-40

Suy hao xuyn m -78

-120


29/109

2: Thi

Thi

nhid

2

t

sng t g khc nhau

sng).

ir

Adn

d

di

cos/cos

sin(2.1)

V

i l gc t

i l gc l

A

n l chi

Hnh 2.12. Tn s

1

2

d


30/109

nghgc.

2.2. Dng cch t

2.2.1. M

Cch t

ctrn cch ttn x

ng cch rnh (g

Hnh 2.13: S

C

s i

sng t

1, 2,....., n


31/109

2.2.2. Cch t

Hnh 2.14. Cch t

TronN -

M -- gc t

- gc nhi

i - gc ti - gc nhid - chu k cch t

- gc nghing c

T

tki

0 = d(sin + sin ) = k (2.2)

V k - s

-

d - chu k cch tk = 0k = 1

N

nd(sin + sin ) = k (2.3)

C

i = -

i = -


32/109

Theo quy t

= ( + )/2 (2.4)

Cng th

kd2

cos2

sin2''

(2.5)

Haykd

2cossin2

'

(2.5)

= ).

1 = 2dsin (2.6)

Khi

1 = 2dsin cos2

'

(2.7)

2 = 2dsin (2.8)

n =n

d2sin (2.9)

A ='

'

sinsin/sin

sinsin/sin

iid

iidA

n(2.10)

Khi = n th c

2

nn AI (2.11)Phn b

2

/

/sin

n

n

nk

nk

I

I

n

(2.12)


33/109

T im nh 2.15 a). Trong tr

v c d nh 2.15 b).

Hnh 1.16. Phn b nhi

2.2.3.Ni chung, cc b

chnh: cc ph

thu - pht); ph ; ph

Hnh 2.17. S


34/109

Hnh 2.17 l c

t thhi

Hnh 2.18. B

knh GRIN-rod c

Trn hnh 2.19, khlm c tch dthnh mphthu truyv quang sai rg

Squang: t c th nguvknh ghp th c thb


35/109

Hnh 2.19. B ng ch

2.2.4. Cch t

Hnh 2.20. Cch t

Cch t hing c

rnh cch tth gc nghing c

h

M g dny c v khng s

thdi i khng


36/109

Hnh 2.21. S

Tm lnh 2.19

n ng ch c th2.2.5. Cch t

Cch th

chiphase. Hi cho php thaydi cch tnhikh hon thi

ch thi

d

bhoch

thnh ph

sng nglm dn ph

c nhicch ny thtuy

ng cch t

cu b


37/109

cch tm

v

Hnh 2.22. Nguyn l cch t

Suy hao cv cc ch cphtm). Ngoi ra, suy hao ny cdB/nm. Th ragg sov

B

Cch b tn

s

Suy hao

c

Suy

hao thng

Suy hao

c

Skm

4,4 dB 4,8 dB 6,2 dB

Skm

6,0 dB 6,5 dB 6,7 dB

S

km

7,7 dB 8,3 dB 8,9 dB

S

Bragg b tn s

2,0 dB 2,5 dB 3,0 dB


38/109

V t my tnh,

chng s

II. CC THI

Cc thi c th

trn nguyn l: khi li cc schuy cc s

nhau n

s

A = aWdeWKV

U /21

3

22/1 1

Wad2 (2.13)

A - bn knh li

d - khon1 - hn2 - hK1 - hm Bessel b

- thnh ph n.

= 1 - n2/n1 - h

V = (2 a/ )(n12 - n2

2)1/2 - t

U = a[(2 n1/ )2 - 2]1/2 - h

W = a[2

- (2 n2/ )2

]1/2

-T nh : h

s gi m), v khi

t


39/109

Cng su 2(A0L) v cng sucos2(A0 0 l h

su 2 A(z)dz v cng sucos2 A(z)dz.

Cc thi nh 2.23,chbng, m

xo

li chung.

Khi hai s hikho

=/

2/

0LA(2.14)

(A0L)/

cch hi

Khi hai s ghp khc nhau th hi :

=

d

d

d

dL 21

5(2.15)

1/d v d 2 /d theo mode c

Hnh 2.24. Hai ph


40/109

s nh sin lm hvi R rng r

n r

Hnh 2.25.

v

Trong cyu c

thi nh 2.25.

Khi cr 1 =

1320nm, 2 = 1280nm, 3 = 1240nm v 4 = 1200nm.

Hnh 2.26. B

mode

php ghp nng ch


41/109

g php nng chk

Cc thim

h

III. M

1. B

1.1 Nguyn l chung

Ch u,

khc thng qua thi

phthvc

coupler honh

Trong ms

quang, cc d n hithnh n = 2 s

gi


42/109

Hnh 2.27. B

Nguyn l ny chi ph cho cc m

coupler hom

Trn m khc nhau c th

ph

knh ho

1.2. B

Hnh 2.28 l bs

Hnh 2.28. B

S v j l s

i j

th vi

d(sin i + sin j) = i j (2.16)d - chu k

N i+1 = sin i + u, v

h

Sin j = sin i + (j - i)u (2.17)

V d[2sin i + (j - i)u]] = i j (2.18)


43/109

C th i j

Hnh 2.29. Ma tr r m

1.3. Thi .

Vv nP/(n+1) nh

suy hao phs

-1, P-2, P+1-n (P l ss

V -1,... , i+j = P+2-n.

- -n v

con-2n-1 v l

Ti

BCho P = 9, n = 2. Tm m

hnh v


44/109

Hnh 2.30. Ma tr

Vo s

V

Vo s -sng trn m

Vo s -2n-1 = 4 v tm

K nh 2.31:

Hnh 2.31 K


45/109

BCho P = 8, n = 3.

Ma tr nh 2.32:

Hnh 2.32. Ma tr

Vo s

V

Vo s -, 4.

K nh 2.33.


46/109

Hnh 2.33 K

2. AWG v nh

Nhn l

cng ngh ttch /ghp knh s

l 80, trong phng th nghi ti

tuy gi

Hnh 2.34. Cc b

M

l cng ngh tIC, thquang. Vi m

bn d

nhau thnh m ng hon ch

Hnh 2.34 ch

m cl

d li


47/109

(core) c chi co co nh clm

b

hnh hcladding khc s

ny c hi clph (l h

quang kh do s

quang kh

Hnh 2.35: C

T

nhi ng khc nhau. Cc chth

suy gino c (Dynamic Dispersion

Compensator).


48/109

Hnh 2.36: Cc ph

Hnh 2.37: C

Tn hi

knh lens region (2), cc th y th

grating array c sai l L so vln c aveguide spha khc nhau t

L2 (2.19)


49/109

mitn hi quang t

waveguide s thuy

(photolithography) v cng ngh

Cc sgi

khn xcc b

hi

TH


50/109

BKhi tri m

S

V

V

V

Qu

EDFA v m g m

ng thgi

I: SM

knh v sph

1: Khth

Kh

2: Kho cc knh, m

T

Qu

Kh


51/109

M ng 100 nm

(theo khuy -T th d

ny lm cc h

khc h

t

Kho t

b

s

S

trong s

N l kho

f = 2c (3.1)

= 1550 nm, v

ta s f = 4,37.1012 Hz = 4370 GHz. Gi

h f/5 = 874 knh trong d

c

i h

ph

ngu

k


52/109

T

th

khc nhau, c -

(x

t

knh l 50 GHz, song cc s -T

nu). D 50 GHz v 100

GHz lm kho

nm.

B

S

t

T

50GHz (THz)

T

100 GHz (THz) (nm)

1 195,40 195,40 1534,25

2 195,35 - 1534,64

3 195,30 195,30 1535,04

4 195,25 - 1535,43

5 195,20 195,20 1535,82

6 195,15 - 1536,22

7 195,10 195,10 1536,618 195,05 - 1537,00

9 195,00 195,00 1537,40

10 194,95 - 1537,79


53/109

11 194,90 194,90 1538,19

12 194,85 - 1538,5813 194,80 194,80 1538,98

14 194,75 - 1539,37

15 194,70 194,70 1539,77

16 194,65 - 1540,16

17 194,60 194,60 1540,56

18 194,55 - 1540,95

19 194,50 194,50 1541,35

20 194,45 - 1541,75

21 194,40 194,40 1542,14

22 194,35 - 1542,54

23 194,30 194,30 1542,94

24 194,25 - 1543,33

25 194,20 194,20 1543,73

26 194,15 - 1543,93

27 194,10 194,10 1544,53

28 194,05 - 1544,92

29 194,00 194,00 1545,32

30 193,95 - 1545,72

31 193,90 193,90 1546,12


54/109

32 193,85 - 1546,52

33 193,80 193,80 1546,9234 193,75 - 1547,32

35 193,70 193,70 1547,72

36 193,65 - 1548,11

37 193,60 193,60 1548,51

38 193,55 - 1548,91

39 193,50 193,50 1549,32

40 193,45 - 1549,72

41 193,40 193,40 1550,12

42 193,35 - 1550,52

43 193,30 193,30 1550,92

44 193,25 - 1551,32

45 193,20 193,20 1551,72

46 193,15 - 1552,12

47 193,10 193,10 1552,52

48 193,05 - 1552,93

49 193,00 193,00 1553,33

50 192,95 - 1553,73

51 192,90 192,90 1554,13

52 192,85 - 1554,54


55/109

53 192,80 192,80 1554,94

54 192,75 - 1555,3455 192,70 192,70 1555,75

56 192,65 - 1556,15

57 192,60 192,60 1556,55

58 192,55 - 1556,96

59 192,50 192,50 1557,36

60 192,45 - 1557,77

61 192,40 192,40 1558,17

62 192,35 - 1558,58

63 192,30 192,30 1558,98

64 192,25 - 1559,39

65 192,20 192,20 1559,79

Trong m

khi

tr

ngh

b

b g pha tr

M


56/109

B

Th T n s

1 192 1560,61 *

2 192 1559,79

3 192 1558,98 *

4 192 1558,17

5 192 1557,36 *

6 192 1556,55

7 192 1555,75 *

8 192 1554,94

9 192 1554,13 *

10 193 1553,33

11 193 1552,52 *

12 193 1551,72

13 193 1550,92 *

14 193 1550,12

15 193 1549,32 *


57/109

16 193 1548,51

c d

II: V

1: ngu

Trong hngu

khng

ngu : th

c

khi

thng qua vi

s

kch quang, hnh thnh k

2: Yu c

Vi h

cc knh ln c

l a s

ra khi ghp l kho

trnh ch


58/109

r

phi tuy

C th

knh khi kho

gi hi

s

hi l h

quang, ta c: = B.D. .

T = /B.D. V

(b

III: Xuyn nhi

Xuyn nhi

chnh v v

hai lo

- Xuyn nhi

m

c

- Xuyn nhi

(s

IV: Suy hao Qu

Trong b

hi

php. Gi pht pht tn hi ph nh


59/109

quang th y

nhi

cng su thu min) cho php th thng tin truy

cng su

cng su

Pmy pht = Ppht + Pd

Pthu min < P pht - Pt < Pthu max

truy h

b

hi

hi

cho vi

Vi

tuy n lm gi suy hao xen c

thi

s

u

v nguyn l lm vi

V: Tn s B tn s


60/109

Sau khi s

truy

ph

tin t

quang l

cng th

ch c

cn 58 km.

B

T 1550 nm(G.652) 1550 nm(G.655) 1310 nm(G.652)

2,5 Gbit/s 928 km 4528 km 6400 km

10 Gbit/s 58 km 283 km 400 km

20 Gbit/s 14,5 km 70 km 100 km

40 Gbit/s 3,6 km 18 km 25 km

B

Tn s

- Tn s c

s cc mode trong s

truy

- Tn s gy

ra tn s nhm c

cho nn cc thnh ph cho s

khc nhau, ph liu l m


61/109

bn trong mode, v l y

d

- Tn s

trong li, cn 20% n

truy ( l hm c

a/ , v

h

S

B tn s

S

B tn s

Vic

ph

C m

hn c

Tn s

b

hi h thnh hai mode phn c

giao c v

gian truy

(Differential Group Delay). Tn s r

nn suy gi


62/109

mode phn c

nh trong

khng

cc thnh ph

thi phn c

chi

mode, hi

cn sinh ra do s

trc s

ph

IV: uy

r l

tr

Hi

g

Tn x

Tn x

Do t khc x

T

Tr

Nh


63/109

1. Hi

Hi

chuy

g v

sng m

sng b

ph

N s(L) l cng su

Ps(L) = P0exp(grP0L/(K.Seff)) (3.2)

P0 l cng su

gr l h an

Seff l di

phn c 2.

L l chi

Cng th 0 m t

0

th (P0

th l cng su

tn hi

P0th

r

eff

Lg

S32(3.3)


64/109

Qua tnh ton cho th

th g

WDM th m

gi chuy

s

0,5 dB th m

fLNNxP

eff11028,10

2

(3.4)

V

N l t

l kho

ng ny lm h

cch gi

n

nhi

2. Hi rillouin Scattering):

Hi

v b

g n xtrong hi

hi

ph )

m


65/109

knh cng truy

knh.

Trong t

l th nh

fB/ fLaser ( fB fLaser

- 100 MHz) nn hi

c Ch

hi

Pth = 21B

PB

eff

eff

v

vv

gL

KA(3.5)

g l h

Aeff l vng li hi

fP

cch gi c vo s

c

3. Hi

SPM l hi

c

d

n = n0 + nNL = n0 + n2 2E (3.6)


66/109

n0

l chi

n2 l h 2 = 1,22.10-22

Hi y ra s NL c

trong s

cch L, pha c

NLconstnnLnL 220 E22 (3.7)

, hi

NL s

gian. S ng xung tn hi

nhi 0 m vNL, v

vNL = (-1/2 )( vNL / t) (3.8)

Hi

xung d 0 xung d 0

c ngh b

gi

xuyn nhi

N c

(tn s

s

V 0) s

s 0 xung b


67/109


68/109

tn hi i, j, k

t ijk.

photon

b ijk(L) l cng su sng ijk trong s

quang, th:

LPPPS

L

cnLP kji

effijk

ijk exp.61024

2

223

220

6

(3.10)

l hi

c l t

Seff l di

Pi, Pj, Pk l cng su i, j, k

(3)

Hi c

pha r x

c kho

Do vi

su

kho

vo cc knh tn hi

th


69/109

S

Cc h

s

cn tn s nh

th

(Dispersion Shifted Fiber).

ho

h

V n cng ngh

tm

nh

cng su

khng l

quang v cng ngh

c

n

chhi

quang G.652; t

l

VII: B


70/109

EDFA (Ebrium Doped Fiber Amplifier) l b

quang c pha tr3+; ngoi ra cn c cc b

v lm cho cng ngh

nghi u s

sng c t , m t

trng theo s

nh

dng b c

nng ln.

Tuy nhin khi s m

Hi

ton l t

hi

khul

yu c khu

cng su

v m


71/109

g ph v

N

cng su ch

khu

t

cc b

ch

N

ho ph

knh cn l

su thu

max) th thng tin s c ch

i h

su h

kh

khi

h

su

V i s ln t

knh) th s

cc knh s


72/109

.., v lun c

ph

khc nhau nn, thay v ch h

s nay, v

b t

b

Th

photon c

hi l kh,

g truy

R rng l

t

ph

sng khng b

mc v

Ni cch khc t

nh rong h

WDM s

ph


73/109

ph o

thc

s

1532 nm, m t p m cao (t

th

3. Tch lu

H

vo/t

c

s

Nhi

t rong cc b

EDFA lin ti

s

ny s

qu th

Tuy nhin, n

c th ho


74/109

V: CNG NGH

I. Cng ngh1. C

C nh v nh ph

ch

m

k hi - - 20m. Ngoi

ra EDFA c


75/109

Hnh 3.2 C

Bi 3+

thi khng b

quang h

c h

xu

b

chen vo) hay kch thch (do s

thch s

sng). Trong qu tr

photon t

t

l nhi

t

b h

thch.


76/109

Hnh 3.3 Gi

Hnh 3.4 so snh

trong truyd

ngh

vo kho


77/109

Hnh 3.4 Ph

Ngu

sng 980nm v 1480nm. Khi s

nh

nui ln h

tr n

hi chng c

chng c

s


78/109

H

Nhi cho kcng su

hi

Cng suHnh 3.5. H Al-Ge pha t

Trong s

M

theo li s

T

- T

- T

- T

- T p m phch gi


79/109

Trong 4 t

t

Ng oton t

tch quang khng gi

qua ti -N c

ng cc ngu

b

Ngu

G m(0), Nm(L) l m

s .

M

Nm(L) = GNm(0) + nsp(G - 1)

Trong v

khu

nhi b

tnh s

thng xung quang t

PASE= nsp(G-1)h

nh l ph nh c

khu

M bi ASE nh c

mt


80/109

Nhi

Trong cc h

hi i

bi

s

ng

t

D

Thnh ph

pht v - t - sp). Thnh

hv

eEEEEEEI spontsigspontsigspontsig

rrrrrr

**22

spontsigtot EEErrr


81/109

ph

g n hi - t - sp). D

phCh :

c

Tnh t

Trong b

V in, SRNout: T

khu

T

nh sp spkhu

V

tn hi

v n, b

s

sp

s

esp

spIG

eBnG

IG

BBeGn

GG

GnNF

2

0

2

02 )1(2)2(111

2


82/109

hi

gi

2.3: EDAF trong h

d

cng nghkhu

d

+ Ph

+ S

+ EDFA ph

cc knh.


83/109


84/109

LAN (Local Area Network), l mM rk) l m

vng Ring. M

ng v vtuy

OADM (Optical Add Drop Multiplexer). Ph

mI: Phn c

N

c th

sng th k ng phn c

Trong mLAN s

ph2 l mc nh 5.1). Trong

giao nhau c th ng m

thng itn hic

2 v c chuy

Cc c

d mth

nhi p trung, ph


85/109

vng. Mdng k

Hnh 5.1. C

m

cki

thu bao, do ph

ngh

tuyth ph

Ngoi ra s sng, v

dng struy s

thi

nghh

su


86/109

II. Hai ki

M

- Switching) v chuy - Switching). T nh thnh 2 hnhth -

Switched WDM Network) v m -SwitchedWDM Network).

1. M

Hi M chuy

n c

xy dXt t

l m lsng d

- M

Trong mquang v b

khc nhau. Tn hil

ntc tnhsng thu gi

ti

V b

nn lo

hiv u

- M


87/109

Trong md

ginhi

2. M

Cnh

bi x

tt

M

Khi ch yc

bi ng rra, b

Khi 2 ts trn dy ra, v

cng mquybo quang do giao di quang v dy tr

s -1)T (vbo quang cng tranh chbo quang c th tin tlm cho m

gi

v


88/109

Mc

III. WDM

Vcu

y - Optical- Optical Add/Drop

MultOXC v OADM).

1.

Ch

thi thvi

thng tin t nhi

d

l c c

trctr ng then chtuy

c y

cM

- Cng ngh -- Cng ngh- Quang nhi -optic)- Quang nhi c (silica thermo-optic)


89/109

- Cng nghcircuits anh thermo inkjet).

M

cng ngh a m

c

Hnh 5.3. OXC v N

Ma tr N l m

ntrn s l mtuyRing....

XC c5.4 minh ho N v

M l sl dule chuy N.


90/109

Hnh 5.4: C

Hnh 5.5. V d

s


91/109

2.

Ch (Add

Drop Multiplexer) trong mquang. ADM s

lu ho

nhphp cn lcc nt OADM, d c

nh 5.6).Trong m

ghp m khng c

Nh

thso v

m nt OADM thi

vo nhu c

Hhnh chung c

th(Disperation Equalizier Module); cc thi l

Performance Monitor). Md


92/109

Hnh 5.6: S ng 1 nt OADM

Thi nh 5.6 c th c

chuy

m trnh chuy chuy

hi truy

s

nhcao nh

Cc k

mAWG, ho

V100 GHz v l n vth

thng. Cc b


93/109

c khoModule OPM (Optical Performance Moniter) c nhi

ho

mtrn cho ph h

c chnh v v

IV. Phn ph

Cng ngh v

quang, vd

hiquy ho

thchuyhi thng tin cao ttnh kh

1.

C th lphng m

chuy thng tin do nguyn

v


94/109

Tuth

sng khc nhau ph

l nc chung m

sng, gi nh 6.3. bi -1-6-7-C t

1 m D-10-9-E c th

2 (c th

Trong m

bich

l sau khi n r

mmsng) m

OXC c thknh quang no c


95/109

Hnh 5.9. Knh b

2. Ch ng m

Hnh 5.10 l k

hnh v c th

dng cng m A, C D, trong hnh v

3.5.10. bi cm

Vbchuy m


96/109

knh, m

phn ph ng quang gc

dng trong mth .

V: B

1. B

V

bki th

hom

vt

khi dc th

n btch/ghp knh, bph

tc v h rth

Trong mchuy c l Tx1 trong hchuy

thgiao, th ph trong 50ms.

- B


97/109


98/109

WDM snhi

Theo s mti

xuvo chia gi v d

tr- 16, thi

thSDH s ti

khng lVII. M

Trong mdi i

xbi ngh

quan tr hnh m

thnh chl ph

pht tridi c hitruy

nh ngh

ngh

b ungh

lai l m pht hi n

thisu


99/109

su

VIII. V

Hch quang r rng khng ph

vchx n nay, sWDM khng ph -

sng tn hituy r r

tcch gi

nghim trnhin d

quy

c

IX. Thi

Kbi

Trong qu trnh tNh

WDM v k nhtrn.

thic xt t

xy d ng mv

lgic tr


100/109

C 2 kithnh m d

b

mg

(k

xt khng chs

Khi thih

truysquan trc

tiu tquan tr

Khi thi(RAW). RAW l v

lm thho t bti nguyn c h

Vtm s

Vyu c t

bi


101/109

V. M

1. M

Mtn hi (STM-1), ho -4), hoGbit/s (STM-16). Cc nt trong mnhnh PDH ho

l phtrong 4 bit cu

m

Mum

trc c ghp quan h

t

2. C

2.1. C

Hnh 5.16 th


102/109

Hnh 5.16. M

c chuyc

ny l 12.

2.2. C

Hnh 5.17 th

2 b

quang ho 2 (OS); 3 coupler tchquang; 2 b


103/109

Hnh 5.17. C

Cc lu PDH t

ghp thnh t -N; qua b(E/O); qua bs n

truy

dlb (O/E). Tn hi

-N thnh tt

c

B

php. B -s

cu


104/109

2.3: Quan hT trnh by trn

s

bi

m = M(M-1) (5.1)

s

sng ghp ho

m = 2(M-1) (5.2)

Mu

truy

3. C

Trong cv hai s

ab truy ba truy

gn bd n

db n


105/109

Hnh 5.18. C

Trong c

c trong hnh vc

M

m = M(M-1)/2 (5.3)

Hic

v kho

phv khot - - c


106/109

mtrong t

ch

4. So snh SHR/ADM v SHR/WDMB g 5.1 th

SHR/WDM

Danh m SHR/ADM SHR/WDM

Kh

hi

STM-1 Knh quang truy

qua s

S t nhi

T th cao

Nng c d

Y

trong m ADM

s

c thChuy

vqua

c khng c

Tr l nh

Stch/ghp tn hi -1 hotithi SHR/WDM c ch

v i n 2,5 Gbit/s (n l strong SHR/WDM) chnh ngay trn s

d

H

trong SHR/ADM. Tr


107/109

ngkhi tch t


108/109

K

Truy

s t m chng lo

th l khi m nhu c

Khi nng c

vi h

phITU- ban hnh chu tr

cch ghp gi gi

Cng ngh mquang ni chung v cho thng tin WDM ni ring, gi

qu

vo cc thi lm cho hm

V m hingh

r

thm c th , cng ngh

Tuy -Namnnghin c - tri tr -Nam

bmu

mn c


109/109

Ti liK nguyn l ckhoa h

H9

M n m

Ghep Kenh Theo Buoc Song

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Transcript of Ghep Kenh Theo Buoc Song