I-Abstract: Isakhiwo esisisiseko kunye noMgaqo wokuSebenza we-Avalanche PempleetectTetetectTomtectote yomgaqo (I-APD yefoto) Zisiwe, inkqubo yendaleko yeseti yesixhobo iyahlalutywa, imeko yangoku yophando ishwankathelwe, kwaye ukuphuculwa kwexesha elizayo kwe-APD kuya kufunda.
1. Intshayelelo
Ifoto yefoto sisixhobo esiguqula imiqondiso yokukhanya kwimiqondiso yombane. Kwisemiconductor mfoto, iProtor eyenziwe ngefoto inomdla kwi-Photon yesehlo ingena kwisekethe yangaphandle phantsi kwe-voltage ye-Bias esetyenzisiweyo kwaye iyifoto enokumetwa. Kwanakukuphephana okuphezulu, i-PIN yepilediode inokuvelisa kuphela izibini zemingxunya ye-elektroni kwinkoliso, esiyinto engenangeniso. Ukuphendula okukhulu, i-Avalanc Photodiode (APD) inokusetyenziswa. Isiphumo sokwakhiwa kwe-APD kwifoto ngokusekwe kwifuthe lokungqubana kwe-ionis. Phantsi kweemeko ezithile, imingxunya kunye nemingxunya ekhawulezayo inokufumana amandla aneleyo okungqubana ne-lattle ukuvelisa isibini esitsha se-elektroni. Le nkqubo yindlela yokusabela, ukuze izibini ezibini ze-elektroni eziveliswe yi-ansen yokwakhiwa zinokuvelisa inani elikhulu le-elektroni kunye neforati enkulu. Ke ngoko, i-APD inempendulo ephezulu kunye nokufumana inzuzo yangaphakathi, ephucula umyinge wengxolo yesixhobo. I-APD isetyenziselwe ukusetyenziswa kumgama omde okanye kwiinkqubo zonxibelelwano ezincinci zefayibhaki ezinamanye amanye amasikelo kumandla afunyenweyo. Okwangoku, iingcali zefowuni ezininzi zinethemba elikhulu malunga nethemba le-APD, kwaye bakholelwe ukuba uphando lwe-APD luyimfuneko ukonyusa ukhuphiswano lwamanye amazwe.
2. Uphuhliso lobuchwephesha lweI-Avalanche Pempletetect(I-APD Deetodetect)
Izinto ezi-2,1
(1)I-SI PELDEECTECTE
Itekhnoloji yeZinto eziZiyo esetyenziswa ngokubanzi kwicandelo le-microelectial, kodwa ayilungelanga ukulungiswa kwezixhobo kwi-WaveExt ye-1.31mm kunye ne-1.55mm eyamkelwa ngokubanzi kwicandelo lonxibelelwano olunjalo.
(2) GE
Nangona impendulo ebonakalayo ye-GE APD ilungele iimfuno zokulahleka ezisezantsi kunye nokusasazeka okuphantsi kwi-fiber yosulelo yefibre, kukho ubunzima obukhulu kwinkqubo yokulungiselela. Ukongeza, i-Electron kunye ne-Inforon yoMlinganiso weMikhosi yeHiorsis isondele () 1, ke kunzima ukulungiselela izixhobo ze-APD zokusebenza eziphezulu.
(3) I-In0.53ga0.47as / i-Inp
Yindlela esebenzayo yokukhetha i-I0.53ga0.47as njenge-aptor yokukhanya kwe-APD kunye ne-Inp njenge-sportler. Incopho yokufunxa ye-In0.531.47s yi-1.65mm, 1.31mm, i-1.55mm ye-14mm-1 ye-Acker-1mm ye-Acket, eyinto ekhethiweyo ye-ackert yomthombo wokukhanya okwangoku.
(4)I-Ingaas Poldetector/ Ngaphakathiifoto
Ngokukhetha i-I-InAASS ethabathela i-arding kunye ne-Inp njenge-sport, i-APD ene-akhawunti yempendulo ye-1-1. Ngokukhetha izinto ezahlukeneyo ze-alloy, eyona ntsebenzo ilungileyo yokufumana amaza akhe.
(5) I-Ingaas / i-insas
I-IT0.52AL0.48AS isixhobo sine-band gap (1.47EV) kwaye ayifumani kwi-Wavelethth ye-1.55mm. Kukho ubungqina bokuba ubuncinci bo0.52Al0.48As pitakuinter fan unokufumana iimpawu ezimbalwa kune-lep njengendawo yenaliti ecocekileyo ye-elektroni.
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Umgangatho we-Iyora wempembelelo yezinto ezibalulekileyo ezichaphazela intsebenzo ye-APD. Iziphumo zibonisa ukuba inqanaba lokungqubana kwe-Iyoration ye-colliorical ye-colliation iphuculwe ngokwazisa i-IGAAS (P) / i-istas kunye ne-Gaas / i-Al) ye-Gaas / i-Inas Superlattices. Ngokusebenzisa ubume be-superlattice, ubunjineli bebhendi bunokulawula ngokubonakalayo kwi-Asymmetric Band Andricity phakathi kwebhendi yokusebenza kunye nokuhambelana kwebhendi ye-valencer inkulu kakhulu kuneyendibali ye-valencer (δec >> δev). Xa kuthelekiswa nezixhobo ze-Ingaas, i-Ixabiso / i-Inaas Queral Inqanaba le-Electronition (a) isonyuswa kakhulu, kwaye ii-elektroni kunye nemingxunya kunye nemingxunya zifumana amandla ezongezelelweyo. Ngenxa ye-δec >> δev, kunokulindeleka ukuba amandla afunyenwe kwi-eletroni ye-elektroni yokunyusa ngaphezulu kwegalelo lamandla eHole (B). Umyinge wenqanaba (k) lomgangatho we-Iontroni yokuya kwiqondo lokuya eHole. Ke ngoko, imveliso ephezulu-ye-bandwidth (i-GBW) kunye nengxolo yengxolo ephantsi inokufunyanwa ngokusebenzisa izakhiwo ze-superlattice. Nangona kunjalo, le Ingaas / i-InAlas ye-APD ye-APD, enokunyusa ixabiso le-K, kunzima ukufaka isicelo kubamkeli bokwakha. Kungenxa yokuba into ephindaphindiweyo echaphazela olona mpendulo luphezulu lunqunyelwe nguMnyama okwangoku, hayi ingxolo yephindaphindo. Kolu sakhiwo, ubumnyama bukhulu bubangelwa yimpembelelo ye-Ingnaas ye-Bleap ene-Bread Band, njenge-Insaasp okanye i-Istasp okanye i-Inteasp okanye i-Inteas, endaweni ye-quandom ye-Quent ye-Queul ingacinezela imnyama yangoku.
IXESHA LOKUQALA: UNV-13-2023