USOD 005 uecal Sudy of Lage-aea An-Reonan Reflecng Opcal Wavegude (ARROW Vecal-Cavy Seconduco Opcal Aplfe (VCSOA anhu Chen Su Fung Yu School of Eleccal and Eleconc Engneeng
Conen Inoducon Vecal Cavy Seconduco Opcal Aplfe (VCSOA Lage-aea VCSOA and degn challenge An-Reonan Reflecng Opcal Wavegude (ARROW ARROW VCSOA uecal Model Opcal feld analy Aplfe analy equaon Opcal chaacec of ARROW VCSOA Copaon beween ARROW and ndex-guded VCSOA Influence of paal hole bunng and heal lenng Degn opzaon of ARROW VCSOA Concluon
Vecal Cavy Seconduco Opcal Aplfe (VCSOA DBR Claddng laye QW Acve laye Claddng laye DBR Copac ze Hgh couplng effcency o fbe Inenve o polazaon Low noe fgue Hgh-deny aay DBR d d λ 0 / n /4
Ipoan Popee of VCSOA Aplfe gan (hghe bee Sauaon oupu powe (hghe bee Gan bandwdh (lage bee oe fgue (lowe bee
Laon of convenonal Lage-aea VCSOA Hghe auaon oupu powe Lage daee Unable oupu gnal (ul-anvee ode oupu Fundaenal Tanvee Mode F Ode Tanvee Mode LP 0 LP
An-Reonan Reflecng Opcal Wavegude (ARROW n eff Hghe-ode An-node ode Fundaenal d d d Fundaenal ode: fulfll an-eonan condon nu adaon lo ananed Ohe ode: o fulfll an-eonan condon gnfcan adaon lo uppeed
ARROW VCSOA Ue ARROW o uppe he hgh-ode anvee ode of VCSOA o anan he ngle-po gnal oupu when nceang he devce daee o oban hghe auaon oupu powe. F claddng laye Second claddng laye hn pace laye Confneen laye Inpu and oupu gnal. Tanpaen eal conac p-dbr Acve laye (InGaAP/InP QW n-ubae n 3.35 3.3 n 4 n 3 d n n n n 4 Coe n 3 d d n-dbr
Tanvee Opcal Feld ψ ψ c [ ( ( ] ( c ( c E H v β E H v β co( [ ( ( ] ( ( E H β E H β n( φ v v φ E ψ E 0 Popagaon Decon Cene 0 E E E E E 3 E 3. E E E 3 - E E E n n n 3 n n n - 0 3 -. E E 0
Aplfe Equaon ( ( b b b b g R R g R R g R R g R R G n 4 n 4 θ θ Reflecon gan (pecal anvee feld n ARROW aveage gan along he anvee decon: φ φ φ φ φ c c c a S a S a S a g ed J D D 0 0 0 n ( ψ co ( ψ ψ ( ( ( τ Rae equaon fo cae concenaon: 0 ~ ( B V h P S g v d ds p p I g Γ γ ν ζ α α Γ ξ Rae equaon fo phoon deny (adaon loe ex n ARROW ncluon of adaon loe n equaon g n H Δ Γ π λ α δ 4 T T n n T Δ δ Refacve ndex change due o paal hole bunng (SHB and heal lenng:
ARROW VCSOA 40 Fundaenal ode G 0 ode ode λ p0 λ p 40 G 0 (λ p0 G (db 0 G 6dB J 0 (b (a G (λ p G (λ p0 0 38 39 30 λ 0 (n 0 0.6 0.8.0 J ( J h Aplfe gan veu (a npu gnal wavelengh and (b pup cuen of an ARROW VCSOA wh d µ.89 µ d 6µ.
Convenonal VCSOA 40 Fundaenal ode ode ode λ λ p0 p0 G 0 40.7dB G (db 0 G (a J 0 (b G 0 (λ p0 G (λ p G (λ p0 0 38 39 30 λ 0 (n 0 0.6 0.8.0 J ( J h Aplfe gan veu (a npu gnal wavelengh and (b pup cuen of a convenonal ndex-guded VCSOA wh d µ n 3.3 and n n 3 n 4 3.5.
Influence of SHB and Theal lenng Spaal hole bunng Theal lenng ( 0 8 c -3 Δn ( 0-3 P I0 0 0 6 0.5 0.0 δn (μ P I0 α H (a 0 6 (μ (c λ g Γ Δ 4π δn and δn T G (db 0 P I0 δn - 0 6 ( 0-3 0 0 δn T (μ ode ode λ p (b G 0 (d G P I0 38 39 30 δ λ 0 (n n T n T ΔT λ p0 ~0dB Fundaenal ode
Degn opzaon of ARROW VCSOA d μ Fo a fxed value of d fnd a coepondng cobnaon of and d whch can poduce he lage adaon lo dffeence beween fundaenal ode and he nex ode. Chooe ( d n he vcny of ha obaned fo ep on he -d plane whch can ee boh he equeen of a low adaon lo n LM 0 and a lage adaon lo agn.
Pefoance of well-degned ARROW VCSOA G (db 0 0 8dB G0 (λ p0 (a G (λ p 0 0 30 40 50 d (μ bandwdh G (λ p0 0. 0. Bandwdh (n auaon powe (db -0 (b -0 0 30 40 50 d (μ Vaaon of (a aplfe gan and bandwdh and (b auaon powe veu d.
Concluon Opcal chaacec of ARROW VCSOA ae nvegaed nuecally wh a ple elf-conen odel The opcal chaacec of ARROW and convenonal ndex-guded VCSOA ae copaed I hown he peence of ARROW can pove he ably of ngle-po aplfed oupu-gnal eon whou deeoang he aplfe gan A new degn ule popoed o opze he ucue of ARROW o ha gnal ably and hgh auaon powe can be acheved ulaneouly n lage-aea ARROW VCSOA
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