I-amplifier ye-optical ye-semiconductor ethuthukisiwe

Okuthuthukisiwei-amplifier ye-semiconductor optical

I-amplifier ye-semiconductor ethuthukisiwe inguqulo ethuthukisiwe ye-amplifier ye-semiconductor optical (I-amplifier ye-SOA optical). Iyi-amplifier esebenzisa ama-semiconductor ukuhlinzeka nge-gain medium. Isakhiwo sayo sifana nese-Fabry-Pero laser diode, kodwa ngokuvamile ubuso bokugcina bumbozwe ifilimu evimbela ukubonakaliswa. Idizayini yakamuva ifaka amafilimu evimbela ukubonakaliswa kanye nama-waveguides athambekele kanye nezifunda zamafasitela, okunganciphisa ukubonakaliswa kobuso bokugcina kube ngaphansi kuka-0.001%. Ama-amplifier e-optical athuthukisiwe asebenza kahle kakhulu awusizo kakhulu lapho kwandiswa izimpawu (ze-optical), njengoba kukhona usongo olukhulu lokulahlekelwa yisignali ngesikhathi sokudluliselwa kwebanga elide. Njengoba isignali ye-optical ikhuliswa ngqo, indlela yendabuko yokuyiguqula ibe isignali kagesi ngaphambi kokuba ingasebenzi. Ngakho-ke, ukusetshenziswa kweI-SOAkuthuthukisa kakhulu ukusebenza kahle kokudlulisa. Lobu buchwepheshe buvame ukusetshenziselwa ukuhlukaniswa kwamandla kanye nesinxephezelo sokulahlekelwa kumanethiwekhi e-WDM.

Izimo zohlelo lokusebenza

Ezinhlelweni zokuxhumana ngefayibha ye-optical, ama-amplifier e-optical e-semiconductor (i-SOA) angasetshenziswa ezindaweni eziningi zohlelo lokusebenza ukuthuthukisa ukusebenza kanye nebanga lokudlulisela uhlelo lokuxhumana. Okulandelayo ezinye zezinhlelo ezivamile zokusebenzisa i-amplifier ye-SOA ezinhlelweni zokuxhumana ngefayibha ye-optical:

I-Preamplifier: SOAi-amplifier yokukhanyaingasetshenziswa njenge-preamplifier ekugcineni kokwamukela kwe-optical ezinhlelweni zokuxhumana zebanga elide ezinezintambo ze-optical ezidlula amakhilomitha ayi-100, okuthuthukisa noma okwandisa amandla okukhishwa kwesignali ezinhlelweni zokuxhumana zezintambo ze-optical ezibanga elide, ngaleyo ndlela kunxephezele ibanga lokudlulisela elinganele elibangelwa ukuphuma okubuthakathaka kwezibonakaliso ezincane. Ngaphezu kwalokho, i-SOA ingasetshenziswa futhi ukusebenzisa ubuchwepheshe bokuvuselelwa kwesignali yenethiwekhi ye-optical ezinhlelweni zokuxhumana zezintambo ze-optical.

Ukuvuselelwa kwesignali ye-all-optical: Kumanethiwekhi e-optical, njengoba ibanga lokudlulisa likhula, amasignali e-optical azowohloka ngenxa yokuncipha, ukuhlakazeka, umsindo, ukujiya kwesikhathi kanye nokukhuluma nge-crosstalk, njll. Ngakho-ke, ekudlulisweni kwebanga elide, kuyadingeka ukukhokhela amasignali e-optical awonakele ukuqinisekisa ukunemba kolwazi oludlulisiwe. Ukuvuselelwa kwesignali ye-all-optical kubhekisela ekukhuliseni kabusha, ukubumba kabusha kanye nokushintsha isikhathi. Ukukhulisa okwengeziwe kungenziwa ngama-amplifiers e-optical njenge-semiconductor optical amplifiers, i-EDFA kanye ne-Raman amplifiers (RFA).

Ezinhlelweni zokuzwa i-fiber optical, ama-amplifier optical e-semiconductor (Isikhulisi se-SOA) ingasetshenziswa ukukhulisa izimpawu zokukhanya, ngaleyo ndlela ithuthukise ukuzwela nokunemba kwezinzwa. Okulandelayo ezinye zezindlela ezivamile zokusebenzisa i-SOA ezinhlelweni zokuzwa i-fiber ye-optical:

Ukulinganiswa kokucindezeleka kwe-optical fiber: Lungisa i-optical fiber entweni okudinga ukulinganiswa ukucindezeleka kwayo. Uma into icindezelwa, ushintsho ekucindezelweni luzobangela ushintsho oluncane kubude be-optical fiber, ngaleyo ndlela kushintshe ubude be-wavelength noma isikhathi sesignali ye-optical ku-PD sensor. I-SOA amplifier ingafinyelela ukusebenza okuphezulu kokuzwa ngokukhulisa nokucubungula isignali ye-optical.

Ukulinganiswa kokucindezela kwefayibha yokubona: Ngokuhlanganisa imicu yokubona nezinto ezizwela ukucindezeleka, lapho into icindezelwa, kuzobangela izinguquko ekulahlekelweni kokukhanya ngaphakathi kwefayibha yokubona. I-SOA ingasetshenziswa ukukhulisa lesi signali yokubona ebuthakathaka ukuze kufezwe ukulinganiswa kokucindezela okuzwela kakhulu.

I-SOA ye-semiconductor optical amplifier iyithuluzi elibalulekile emikhakheni yokuxhumana nge-optical fiber kanye nokuzwa nge-optical fiber. Ngokukhulisa nokucubungula izimpawu ze-optical, ithuthukisa ukusebenza kwesistimu kanye nokuzwela kokuzwa. Lezi zinhlelo zokusebenza zibalulekile ekufinyeleleni ukuxhumana nge-optical fiber okusheshayo, okuzinzile nokuthembekile kanye nokuzwa nge-optical fiber okunembile nokusebenzayo.