Indima yefilimu elincanyana le-lithium niobate kumodeli ye-electro-optic

Indima yefilimu elincanyana le-lithium niobate ini-electro-optic module
Kusukela ekuqaleni kwemboni kuze kube manje, amandla okuxhumana ngefayibha eyodwa akhule ngezigidi zezikhathi, futhi isibalo esincane socwaningo olusezingeni eliphezulu seludlule izikhathi ezingamashumi ezigidi. I-Lithium niobate idlale indima enkulu phakathi nemboni yethu. Ezinsukwini zakuqala zokuxhumana kwe-fiber optical, ukuguqulwa kwesiginali ye-optical kwavulwa ngokuqondilelaser. Le ndlela yokushintshashintsha iyamukeleka kumkhawulokudonsa ophansi noma ezinhlelweni zebanga elifushane. Ngokushintshwa kwesivinini esikhulu kanye nezicelo zebanga elide, kuzoba nomkhawulokudonsa owanele futhi ishaneli yokudlulisela ibiza kakhulu ukuhlangabezana nezicelo zebanga elide.
Maphakathi nokuxhumana kwe-fiber optical, ukuguquguquka kwesignali kuyashesha futhi kuyashesha ukuhlangabezana nokwanda kwamandla okuxhumana, futhi imodi yokushintshanisa isignali ye-optical iqala ukuhlukana, futhi izindlela ezihlukene zokumodareyitha zisetshenziswa kunethiwekhi yebanga elifushane kanye nenethiwekhi ye-trunk yamabanga amade. . Ukuguquguquka okuqondile okungabizi kakhulu kusetshenziswa kunethiwekhi yebanga elifushane, futhi "i-electro-optic modulator" ehlukile isetshenziswa kunethiwekhi ye-trunk yebanga elide, ehlukaniswe ne-laser.
Imoduli ye-Electro-optic isebenzisa isakhiwo sokuphazanyiswa kwe-Machzender ukulinganisa isignali, ukukhanya kuyigagasi kagesi, ukuphazamiseka okuzinzile kwe-electromagnetic wave kudinga imvamisa yokulawula ezinzile, isigaba kanye ne-polarization. Sivame ukusho igama, elibizwa ngokuthi ama-interference fringes, ama-fringe akhanyayo namnyama, ukukhanya kuyindawo lapho ukuphazamiseka kukazibuthe kuthuthukiswa khona, ubumnyama indawo lapho ukuphazamiseka kukazibuthe kwenza amandla abe buthaka. Ukuphazamiseka kwe-Mahzender kuwuhlobo lwe-interferometer enesakhiwo esikhethekile, okuwumphumela wokuphazamiseka olawulwa ngokulawula isigaba se-beam efanayo ngemva kokuhlukanisa ugongolo. Ngamanye amazwi, umphumela wokuphazamiseka ungalawulwa ngokulawula isigaba sokuphazanyiswa.
I-Lithium niobate le nto isetshenziselwa ukuxhumana kwe-fiber optical, okungukuthi, ingasebenzisa izinga likagesi (isignali kagesi) ukulawula isigaba sokukhanya, ukufeza ukuguquguquka kwesignali yokukhanya, okuwubudlelwane phakathi kwe-electro-optical. i-modulator ne-lithium niobate. Imoduli yethu ibizwa nge-electro-optic modulator, edinga ukucabangela kokubili ubuqotho besiginali kagesi kanye nekhwalithi yokushintsha kwesignali yokubona. Umthamo wesignali kagesi we-indium phosphide ne-silicon photonics ungcono kunalowo we-lithium niobate, futhi umthamo wesignali yokubona ubuthakathaka kancane kodwa ungasetshenziswa, okudala indlela entsha yokubamba ithuba lemakethe.
Ngaphandle kwezakhiwo zabo ezinhle kakhulu zikagesi, i-indium phosphide ne-silicon photonics inezinzuzo ze-miniaturization nokuhlanganiswa ukuthi i-lithium niobate ayinayo. I-Indium phosphide incane kune-lithium niobate futhi inezinga eliphezulu lokuhlanganisa, futhi ama-silicon photon mancane kune-indium phosphide futhi anezinga eliphezulu lokuhlanganisa. Inhloko ye-lithium niobate njenge-aimoduliubude obuphindwe kabili kune-indidium phosphide, futhi ingaba imoduli kuphela futhi ayikwazi ukuhlanganisa eminye imisebenzi.
Njengamanje, i-modulator ye-electro-optical ingene enkathini yesilinganiso sezimpawu eziyizigidi eziyizinkulungwane ezingu-100, (i-128G iyizigidi eziyizinkulungwane ezingu-128), futhi i-lithium niobate isiphinde yafaka impi yokubamba iqhaza emncintiswaneni, futhi inethemba lokuhola le nkathi maduze. esikhathini esizayo, ukuhola ekungeneni emakethe yezilinganiso zezimpawu eziyizigidi eziyizinkulungwane ezingama-250. Ukuze i-lithium niobate iphinde ibambe le makethe, kuyadingeka ukuhlaziya ukuthi i-indium phosphide nama-silicon photon anayo, kodwa i-lithium niobate ayinayo. Lokho amandla kagesi, ukuhlanganiswa okuphezulu, i-miniaturization.
Ukushintsha kwe-lithium niobate kungama-engeli amathathu, i-Angle yokuqala yindlela yokuthuthukisa amandla kagesi, i-Angle yesibili yindlela yokuthuthukisa ukuhlanganiswa, kanti i-Angle yesithathu yindlela yokwenza kancane. Isixazululo kulawa ma-engeli amathathu obuchwepheshe sidinga isenzo esisodwa kuphela, okungukuthi, ukwenza ifilimu encane yezinto ze-lithium niobate, khipha ungqimba oluncane lwe-lithium niobate njenge-waveguide optical, ungakwazi ukuklama kabusha i-electrode, uthuthukise umthamo kagesi, uthuthukise. umkhawulokudonsa kanye nokusebenza kahle kokuguquguquka kwesiginali kagesi. Thuthukisa ikhono likagesi. Le filimu ingabuye ifakwe ku-silicon wafer, ukufeza ukuhlanganiswa okuxubile, i-lithium niobate njenge-modulator, konke okunye ukuhlanganiswa kwe-silicon photon, ikhono le-silicon photon miniaturization liyabonakala kubo bonke, ifilimu ye-lithium niobate kanye nokuhlanganiswa kokukhanya kwe-silicon ukukhanya okuxubile, ukuthuthukisa ukuhlanganiswa. , i-miniaturization efinyelelwe ngokwemvelo.
Esikhathini esizayo esiseduze, i-modulator ye-electro-optical isizongena enkathini yezinga lezimpawu eziyizigidi eziyizinkulungwane ezingu-200, ukungasebenzi kahle kwe-indium phosphide kanye ne-silicon photon kuya ngokuya kuba sobala, futhi inzuzo ye-lithium niobate iya ngokuya iba sobala. evelele, futhi ifilimu elincanyana le-lithium niobate ithuthukisa ukonakala kwalokhu kwaziswa njengemoduli, futhi imboni igxile kule “filimu ezacile ye-lithium niobate”, okungukuthi, ifilimu elincanyana.i-lithium niobate modulator. Lena indima yefilimu elincanyana i-lithium niobate emkhakheni we-electro-optical modulators.