Rudzi rutsva rweterahertz multiplexer yakawedzera kaviri dhata uye yakawedzera zvakanyanya kutaurirana kwe6G ine isina kumboitika bandwidth uye yakaderera data kurasikirwa.
Vatsvagiri vakaunza super-wide band terahertz multiplexer iyo inopeta kaviri data uye inounza shanduko yekuvandudza ku6G nekupfuura. (Mufananidzo: Getty Images)
Yechizvarwa chinotevera isina waya yekukurukurirana, inomiririrwa neTerahertz tekinoroji, inovimbisa kushandura kufambiswa kwedata.
Aya masisitimu anoshanda pa terahertz frequencies, achipa isingaenzaniswi bandwidth ye-ultra-fast data yekufambisa uye kutaurirana. Nekudaro, kuti uwane zvizere kugona uku, akakosha ehunyanzvi matambudziko anofanirwa kukundwa, kunyanya mukutonga nekushandisa nemazvo iyo inowanikwa.
Kufambira mberi kunokatyamadza kwagadzirisa dambudziko iri: yekutanga ultra-wideband yakabatanidzwa terahertz polarization (de) multiplexer yakaonekwa pane substrate-isina silicon chikuva.
Iyi dhizaini yekuvandudza yakanangana neiyo sub-terahertz J bhendi (220-330 GHz) uye ine chinangwa chekushandura kutaurirana kwe6G nekupfuura. Chishandiso chacho chinonyatso kupeta kaviri dhata uku uchichengetedza yakaderera data kurasikirwa mwero, ichigadzira nzira yeanoshanda uye akavimbika akakwira-kumhanya isina waya network.
Chikwata chiri shure kwechiitiko ichi chinosanganisira Purofesa Withawat Withayachumnankul kubva kuYunivhesiti yeAdelaide's Chikoro cheMagetsi uye Mechanical Engineering, Dr. Weijie Gao, iye zvino ari postdoctoral research paOsaka University, uye Purofesa Masayuki Fujita.
Muzvinafundo Withayachumnankul vakati, "Iyo yakatsanangurwa polarization multiplexer inobvumira akawanda data nzizi kuti ifambiswe panguva imwe chete mukati meiyo frequency bhendi, zvinobudirira zvakapetwa kaviri data." Iyo yehukama bandwidth inowanikwa nemudziyo haisati yamboitika kune chero frequency renji, inomiririra kusvetuka kwakakosha kweakasanganiswa akawanda.
Polarization multiplexers yakakosha mukutaurirana kwemazuva ano sezvo ichigonesa masaini akati wandei kugovera yakafanana frequency bhendi, inosimudzira zvakanyanya chiteshi.
Chishandiso chitsva chinozadzisa izvi nekushandisa conical directional couplers uye anisotropic inoshanda yepakati cladding. Izvi zvikamu zvinosimudzira polarization birefringence, zvichiita kuti pave neyakakura polarization extinction ratio (PER) uye yakakura bandwidth-makiyi hunhu hweanoshanda terahertz masisitimu ekutaurirana.
Kusiyana nemagadzirirwo echinyakare anovimba neakaomarara uye frequency-inotsamira asymmetric waveguides, iyo nyowani yakawanda inoshandisa anisotropic cladding nekungomira kushoma frequency. Iyi nzira inokwirisa zvizere iyo yakakwana bandwidth inopihwa neiyo conical couplers.
Mhedzisiro yacho idiki bandwidth iri padyo ne40%, avhareji PER inodarika 20 dB, uye kushomeka kwekuisa kurasikirwa kweinenge 1 dB. Aya ma metrics ekuita anodarika ayo aripo ekuona uye microwave dhizaini, ayo anowanzo tambura kubva kune nhete bandwidth uye kurasikirwa kwakanyanya.
Basa rechikwata chekutsvagisa haringokwidziri kushanda kwe terahertz masisitimu asiwo rinoisa hwaro hwenguva itsva mukutaurirana kusina waya. Dr. Gao akacherechedza, "Izvi zvitsva ndiyo mutyairi mukuru mukuzarura kukwanisa kwekukurukurirana kwe terahertz." Zvishandiso zvinosanganisira yakakwirira-tsanangudzo vhidhiyo kutenderera, yakawedzera chokwadi, uye inotevera-chizvarwa nharembozha se6G.
Traditional terahertz polarization manejimendi mhinduro, senge orthogonal modhi transducers (OMTs) yakavakirwa rectangular metal waveguides, inotarisana nemiganhu yakakosha. Metal waveguides ruzivo yakawedzera kurasikirwa kweohmic pamafafitera epamusoro, uye maitiro avo ekugadzira akaomarara nekuda kwekuomarara kwejometri zvinodiwa.
Optical polarization multiplexers, kusanganisira idzo dzinoshandisa Mach-Zehnder interferometers kana photonic crystals, inopa kubatanidza zviri nani uye kurasikirwa kwakaderera asi kazhinji inoda kutengeserana pakati pebandwidth, compactness, uye kuoma kwekugadzira.
Directional couplers inoshandiswa zvakanyanya mu optical system uye inoda yakasimba polarization birefringence kuti iwane compact size uye yakakwira PER. Nekudaro, ivo vanoganhurirwa neyakamanikana bandwidth uye kunzwa kune kugadzira kushivirira.
Iyo nyowani yakawedzera inosanganisa zvakanakira conical directional couplers uye inoshanda yepakati cladding, kukunda izvi zvipimo. Iyo anisotropic cladding inoratidza akakosha birefringence, kuve nechokwadi chepamusoro PER kuyambuka bandwidth yakakura. Iyi dhizaini musimboti inoratidza kubuda kubva kumaitiro echinyakare, ichipa scalable uye inoshanda mhinduro yekubatanidza terahertz.
Kuedzwa kusimbiswa kwemultiplexer kwakasimbisa kuita kwayo kwakasiyana. Chishandiso chinoshanda nemazvo mu225-330 GHz renji, ichiwana chikamu chebandwidth ye37.8% ichichengetedza PER pamusoro pe20 dB. Kukura kwayo compact uye kuenderana neyakajairwa yekugadzira maitiro inoita kuti ive yakakodzera kugadzirwa kwakawanda.
Dr. Gao akati, "Ichi tsvakiridzo haingowedzere kushanda kwemaitiro ekukurukurirana eterahertz asiwo inovhura nzira yemamwe masimba ane simba uye akavimbika e-high-speed wireless network."
Mashandisirwo anogona kuitwa tekinoroji iyi anodarika masisitimu ekutaurirana. Nekuvandudza mashandisirwo emagetsi, iyo yakawanda inogona kufambisa kufambira mberi muminda yakadai se radar, imaging, uye Internet yezvinhu. "Mukati memakore gumi, tinotarisira kuti matekinoroji aya eterahertz achagamuchirwa zvakanyanya uye akabatanidzwa mumaindasitiri akasiyana," akadaro Muzvinafundo Withayachumnankul.
Iyo multiplexer inogona zvakare kubatanidzwa zvisina musono neyekare bhenji michina yakagadziridzwa nechikwata, ichigonesa epamberi kutaurirana kushanda papuratifomu yakabatana. Uku kugarisana kunoratidza kuwanda uye scalability yeiyo inoshanda yepakati-clad dielectric waveguide chikuva.
Tsvagiridzo yechikwata ichi yakaburitswa mujenari Laser & Photonic Ongororo, zvichisimbisa kukosha kwavo mukusimudzira tekinoroji yephotonic terahertz. Purofesa Fujita akati, "Nekukunda zvipingamupinyi zvakakosha zvehunyanzvi, hutsva uhwu hunotarisirwa kukurudzira kufarira uye basa rekutsvaga mumunda."
Vatsvagiri vanofungidzira kuti basa ravo richakurudzira manyorerwo matsva uye nekuvandudza tekinoroji mumakore anotevera, zvichizotungamira kune zvekutengesa prototypes uye zvigadzirwa.
Iyi multiplexer inomiririra danho rakakosha kumberi mukuvhura kugona kwekutaurirana kweterahertz. Iyo inoseta chiyero chitsva cheyakasanganiswa terahertz zvishandiso neayo asati amboita metrics ekuita.
Sezvo kudiwa kwepamusoro-kumhanya, hukuru-hukuru hwekutaurirana network huri kuramba huchikura, hutsva hwakadai huchaita basa rakakosha mukuumba ramangwana rewireless tekinoroji.
Nguva yekutumira: Zvita-16-2024