Bokamoso bali-modulator tsa motlakase oa optical
Li-electro optic modulator li bapala karolo ea bohlokoa litsamaisong tsa sejoale-joale tsa optoelectronic, li bapala karolo ea bohlokoa masimong a mangata ho tloha puisanong ho ea ho khomphutha ea quantum ka ho laola litšobotsi tsa leseli. Pampiri ena e bua ka boemo ba hona joale, katleho ea morao-rao le nts'etsopele ea nakong e tlang ea theknoloji ea electro optic modulator.
Setšoantšo sa 1: Papiso ea ts'ebetso ea mefuta e fapanengmodulator ea opticalmahlale a theknoloji, ho kenyeletsoa le li-thin film lithium niobate (TFLN), li-modulator tsa ho monya motlakase tsa III-V (EAM), li-modulator tse thehiloeng ho silicon le polymer mabapi le tahlehelo ea ho kenya, bandwidth, tšebeliso ea matla, boholo le bokhoni ba tlhahiso.
Li-modulator tsa electro optic tse thehiloeng ho silicon tsa setso le mefokolo ea tsona
Li-modulator tsa mabone a photoelectric tse thehiloeng ho silicon e bile motheo oa litsamaiso tsa puisano tsa optical ka lilemo tse ngata. Ho latela phello ea ho hasana ha plasma, lisebelisoa tse joalo li entse tsoelo-pele e makatsang lilemong tse 25 tse fetileng, li eketsa sekhahla sa phetisetso ea data ka lihlopha tse tharo tsa boholo. Li-modulator tsa sejoale-joale tse thehiloeng ho silicon li ka fihlella modulation ea pulse amplitude ea maemo a 4 (PAM4) ho fihlela ho 224 Gb/s, esita le ho feta 300 Gb/s ka modulation ea PAM8.
Leha ho le jwalo, di-modulator tse thehilweng ho silicon di tobana le mefokolo ya motheo e bakwang ke thepa ya thepa. Ha di-transceiver tsa optical di hloka sekgahla sa baud se fetang 200+ Gbaud, bandwidth ya disebediswa tsena e thata ho fihlella tlhoko. Moedi ona o tswa ho thepa ya tlhaho ya silicon - ho leka-lekana ha ho qoba tahlehelo e feteletseng ya lesedi ha o ntse o boloka conductivity e lekaneng ho baka diphetoho tse ke keng tsa qojwa.
Theknoloji e ncha ea modulator le lisebelisoa
Mefokolo ea li-modulator tsa setso tse thehiloeng ho silicon e susumelitse lipatlisiso mabapi le lisebelisoa tse ling le mahlale a kopanyo. Lithium niobate ea filimi e tšesaane e fetohile e 'ngoe ea liforomo tse tšepisang ka ho fetisisa bakeng sa moloko o mocha oa li-modulator.Li-modulator tsa electro-optic tsa filimi e tšesaane ea lithium niobaterua litšobotsi tse ntle tsa bulk lithium niobate, ho kenyeletsoa: fensetere e pharaletseng e bonaletsang, coefficient e kholo ea electro-optic (r33 = 31 pm/V) sele e otlolohileng Kerrs effect e ka sebetsa maemong a mangata a bolelele ba maqhubu
Tsoelo-pele ea morao tjena theknolojing ea lithium niobate ea filimi e tšesaane e hlahisitse liphetho tse babatsehang, ho kenyeletsoa le modulator e sebetsang ho 260 Gbaud e nang le sekhahla sa data sa 1.96 Tb/s ka kanale. Sethala sena se na le melemo e ikhethang joalo ka motlakase oa drive o lumellanang le CMOS le bandwidth ea 3-dB ea 100 GHz.
Sesebelisoa sa theknoloji se ntseng se hlaha
Nts'etsopele ea li-modulator tsa electro optic e amana haufi-ufi le lits'ebetso tse ntseng li hlaha masimong a mangata. Lefapheng la bohlale ba maiketsetso le litsi tsa data,li-modulator tsa lebelo le phahamengli bohlokoa bakeng sa moloko o latelang oa likhokahano, 'me lits'ebetso tsa k'homphieutha ea AI li khanna tlhoko ea li-transceivers tse ka kenngoang ka har'a 800G le 1.6T. Theknoloji ea modulator e boetse e sebelisoa ho: ts'ebetso ea tlhaiso-leseling ea quantum computing ea neuromorphic frequency modulated continuous wave (FMCW) lidar microwave photon technology
Haholo-holo, di-modulator tsa electro-optic tsa lithium niobate tse tshesane di bontsha matla dienjeneng tsa ho sebetsana le dikhomphutha tsa optical, di fana ka phetoho e potlakileng ya matla a tlase e potlakisang ho ithuta ha mochini le ditshebediso tsa bohlale ba maiketsetso. Di-modulator tse jwalo di ka boela tsa sebetsa maemong a tlase a mocheso mme di loketse di-interface tsa quantum-classical meleng ya superconducting.
Nts'etsopele ea li-modulator tsa electro optic tsa moloko o latelang e tobane le liphephetso tse 'maloa tse kholo: Litšenyehelo tsa tlhahiso le boholo: li-modulator tsa lithium niobate tse tšesaane hajoale li lekanyelitsoe tlhahisong ea wafer ea 150 mm, e leng se fellang ka litšenyehelo tse phahameng. Indasteri e hloka ho atolosa boholo ba wafer ha e ntse e boloka ho tšoana le boleng ba filimi. Kopanyo le Moralo-'moho: Nts'etsopele e atlehileng eali-modulator tse sebetsang hantleHo hloka bokgoni bo felletseng ba ho rala mmoho, bo kenyeletsang tshebedisano mmoho ya di-optoelectronics le baqapi ba di-chip tsa elektroniki, bafepedi ba EDA, di-founts, le ditsebi tsa ho paka. Ho rarahana ha tlhahiso: Le hoja ditshebetso tsa di-optoelectronics tse thehilweng ho silicon di sa rarahana ho feta di-electronics tse tswetseng pele tsa CMOS, ho fihlella tshebetso e tsitsitseng le tlhahiso ho hloka boiphihlelo bo boholo le ntlafatso ya tshebetso ya tlhahiso.
Ka lebaka la keketseho ea AI le mabaka a geopolotiki, lefapha lena le fumana matsete a eketsehileng ho tsoa mebusong, indastering le lekala la poraefete lefatšeng ka bophara, e leng se hlahisang menyetla e mecha ea tšebelisano-'moho lipakeng tsa thuto ea thuto le indasteri le ho tšepisa ho potlakisa boqapi.
Nako ea poso: Tshitwe-30-2024