lhvjiwr1,-nol. Hod~ ( § 7. b) 8' .'.g C:(· -a.'6) z: Eo (X· '!)-e;;'~-~ '-..) 1<0IA"1~-"lWip PI-wtse, 0rn1dif;,'OVL Dv2~aL C-=1 2 ~~ L = 21T-m '; WI; a~ttlJ~ 7.. ::::. ~ -Y4 (1, .; ef[ei/-\A'.Ie te.fr~ r;t.j\J e. 'Vld2x 0(" fn t0fY}1S of ;t,. rn .), == 2 O. L 2J1 L ) 1_--I. 1]. zn L+ ~. ~ b'A l m::: ;-...;:. ;c:-AI\-)., oil-"""I .6,1.= _li1-2JltL (1-J..~nl) nI ~.:L82 \ , , I t I I, . 1 , ' t , -----------».it.. l ze.Y1(),)L ... -1 ---.:c - - - ------R,R).. e Antpl, fallAt-\lfl1 ~LtA< ~. 1 , I ,-- -qn;rc.J-£J0tV~(,(~ .pH -tMm.5 Ct sl~b WfitV€!)1A.1k-Yl lEI Tf-CT1OtttSV~ Efec:tm"c.) NDdes ,. Hlli H • /I ~ E= ~E1 Cb'll:=G,:=O) TM (Ty&\t'lsv«~ MtJ-jrtLttc-) fvfoh5.. · r, f A ~ H~4H'I (Hx=H~=o)MAAweJ1 ts 9;;-, fr4. ( \7:1.+ w),(E.) g := 0 .-~ 1\ _ TE . E= ~ E~ ( Ex =:Eb =-0 ) ~~ 0 syrr,~ 2l~l. T ~;i-r VJu.f=) Ed= D )'TVY\I \a( -Do pO~t1t>JL w.eiJ.. 50~1A'671 -0(( Ixl-~ )0/(i) = Coe. , /;(,I~~1cl ~SkX'N IXJI<{ . 4 f~ EWew\ rvwok. I 5lA~ OtS TEo, TCL -7 C, Srv, ke It fOY odd nwr1Jls _/ T' 6, , TE3 ~ .1 '1. ~ s: 1.. «iu L fi1 tSl ~ l<t, -1<1 = MI r;;;;1 - - - w (j) -~ -s:1-~= w)..M e:-- --C¥! w+ 0<1.-=-fN).Cll,b, -U6) M~tchT~ boundOlr ~rJff7tJ1/s ! Ex UJ Y1tA )1,(A OuA. Hi'= ~ o"f: t-1JJ1ti rLttQrA§~ o: =-1L 1<. -talll I ~ A) a, x L K)( 2-CcwtpCAvr~ wrl7h lX W 50fM Ii!("fYl .: 0(= ~~--k -taM (k~) Satnt. -e45 e¥t e'1lAlAtl'tm ! qmpVJ~ solMntoL-TGo T~ T'~. , <V ~~ *:-r cX2. = w~ (.a,el --LtG) = i:· (.,>- t u.e, -~6) i = 1<: (M(~!.. _ .(;6 ) .(loCo ase« 1<xl. -r 01. L.: *: (1'1,1-_ n:-) (~4 t'; (o<4f = (~o~-y-( ~I:L_ }1l-) ):-rtS tIL m,oth-CoY\ dtt1~~ . , ()(~ -';> 0, *,,4 z: ~o~ In"l.-n:'-< ~n. rs WSt;a-wJ~ -to defryvz-3 drWl(;N'\),mles~ . pO\m~s; NOYmJXz.erA fre1tA~e.y prop~qP1th1 pt'tY~Y1Je~ <:» Fv-r symmg-t'Yl'c. s:ltAb tA....~D sfYl 3LL Wt-ook ~Fb1~ : v< 7f -0' 87 2 t V.2-1 r 0.8"--" 0.6 ~"i 0.4 0.2 nIl =3.6 0 00.51 1.5 2 d nu/A FIGURE A3.3 Comparison between the exact confinement factor (solid curve) and the approximate formula (A3.15) (dashed curve) for several values of the cladding index as a function of the guide thickness for the fundamental slab mode. 2.5 3,TyPiCo.i.. l..P\~ ~w~(es Cf./(os.$~e~1/l'~~ J/,~ ~f ~cJJ-) 1 .1 ) l t , ~ ~Ctihst7(~ • Easy 1/0 ~hrl~ • Act,iv.e-r~T~ wTtiw ~~Y\ f)"'-'rJ.rl, vfW',"'v:J ~ olu-e -to eM tY~ ~p~~.Vj , Weff -.... t.O.,U~ • ~ 0<-'IV --? H~ *,ye~~old , Mok -EAsy 1;.0 9~a:.t?2 h~-~)e¥ Iortev~ ntUJole... Inde~ -,BU Jole.d llAs~ CD RT&~e -w~ 11e5lAJ'd..L I()\S--Vf , W~ IYlJ£;x. > ~(Atdr"j t--~ ~ \ '.;'? .;,.-..'-..... '7 ~fAbs17f~ 6n,~tw"oL ~ IO-~ , R~ TVlW 5u,dr~ ~ Mufe. ~-tl;tbtJL 'rfl-Ok , >tm'lL (M(f"~ S'p~ch~ ~ bo-':>Y 170 f"'bfl'coh . ~ ~ ep'tA.Xi'~~-th.Typrc~ CIYloJY:;IS ftJY 2-P W~II€5U~ ~ffet:iAve. ~d.e;c Me~ ad "---" [0.) Wwl~ YlJ( t'l1~ vU-t/l'co.1-(/rOr,~-~'~ oJ-~ OlV\d s~YYOfAYJd;5 )"~irns: ~ A, \ l' \ J ~ I , \ 1 1 I ,\ -~ (h) ~t"e.,-VertA~~/Ab ferY *v1~ neff (b) 501lle Veft1'u.L slo-h WtlV~fA,1k faY ne:ff \,----.......-1vJ GiIA/lsP ® BlAYi'ed He~os11rLtc..tlAye.. P-LaP 5etrli-InSI,( 1A·t1'~ LtP (Fe:~P) N-LtP . • l-Iete~(l?S17YlA~1AAreS oJl ~Y()lAYld ~Ve-r'~i't'YL • No UAft'e-vJ-Gp("~lij ~ low ~ •-r-LfJr l~wr,J.. Bl.(id'~ clo-Y5 U ..en..) <:» • No..(f"oW lo...~ wid:I;~,--, IN'V I ,uW\ -7 low ~ . • Low fXl-~~It-,'c.-C~t'cCJt~Vlt..e.. -7 h+€IY ec bcmJwidttt , R€.tfL{ire muJIMrk-ert Brow11h (~ ~ 3) . • W«rfkS weR1... ferr InPII., ~AAsP
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