Kuphando kunye nophuhliso lobuchwephesha obutsha be-fiber optical, i-SDM ye-space division multiplexing iye yatsala ingqalelo enkulu.Kukho izikhokelo ezimbini eziphambili zokusetyenziswa kwe-SDM kwi-fiber optical: i-core division multiplexing (CDM), apho ukuhanjiswa kuqhutyelwa kwi-core of multi-core optical fiber. Okanye i-Mode Division Multiplexing (MDM), ehambisa ngeendlela zokusasaza zendlela ezimbalwa okanye i-multi-mode fiber.
I-Core Division Multiplexing (CDM) ifayibha isekelwe ekusetyenzisweni kwezicwangciso eziphambili ezimbini.
Eyokuqala isekelwe ekusetyenzisweni kwee-fiber bundles (iirebhoni zefayibha), apho imicu ye-fiber ehambelanayo idityaniswe ndawonye ukuze yenze iinyanda zefiber okanye iiribhoni ezinokubonelela ukuya kuthi ga kumakhulu amakhonkco anxuseneyo.
Ukhetho lwesibini lusekwe ekugqithiseni idatha kumbindi omnye (imowudi enye ngondoqo) efakwe kwifayibha enye, okt kwi-MCF multicore fiber. Undoqo ngamnye uphathwa njengetshaneli eyodwa eyahlukileyo.
I-MDM (i-Module Division Multiplexing) i-fiber ibhekisela ekuhanjisweni kwedatha kwiindlela ezahlukeneyo ze-fiber optical, nganye ekunokuthi ithathelwe ingqalelo njengetshaneli eyahlukileyo.
Iintlobo ezimbini eziqhelekileyo ze-MDM ziyi-fiber ye-multimode (MMF) kunye ne-fiber mode ye-fractional (FMF). Umahluko omkhulu phakathi kwezi zibini linani leendlela (iitshaneli ezikhoyo). Ekubeni ii-MMFs zinokuxhasa inani elikhulu leendlela (amashumi eendlela), i-intermodal crosstalk kunye nokulibaziseka kweqela le-different mode (DMGD) ibaluleke kakhulu.
Kukho kwakhona i-photonic crystal fiber (PCF) ekunokuthiwa yeyalolu hlobo. Isekelwe kwiipropati ze-photonic crystals, ezithintela ukukhanya ngokusebenzisa i-bandgap effect kwaye idlulisele ngokusebenzisa imingxuma yomoya kwi-cross-section.PCF yayo ikakhulu yenziwe ngezinto ezifana ne-SiO2, i-As2S3, njl., kunye nemingxuma yomoya iyaziswa kwindawo ejikeleze undoqo ukuze utshintshe umahluko kwisalathisi se-refractive phakathi kwe-core kunye ne-cladding.
I-fiber ye-CDM inokuchazwa njengokongezwa nje kwe-parallel single-mode fibre cores ethwele ulwazi, efakwe kwi-cladding efanayo (i-multi-core fiber MCF okanye i-fiber bundle enye-core) i-multiplexing ye-mode ye-MDM ye-multiplexing kukusetyenziswa kweendlela ezininzi ze-spatial-optical modes kwi-transmission medium njengedatha yomntu ngamnye / eyahlukileyo / ezimeleyo, ngokuqhelekileyo kwi-short-distance interconnected.
Ixesha lokuposa: Jun-26-2025