Ni ubuhe bwoko bwa SDM yo kugabana ikirere igabanya fibre?

Mu bushakashatsi no guteza imbere tekinoroji nshya ya optique ya fibre optique, kugabana umwanya wa SDM kugabana gukurura abantu benshi byitabiriwe cyane.Hariho inzira ebyiri zingenzi zogushira mu bikorwa SDM muri fibre optique: ibice bigabanijwe (CDM), aho kwanduza bikorwa binyuze mumikorere ya fibre optique. Cyangwa Mode Igabana Multiplexing (MDM), ikanyura muburyo bwo gukwirakwiza uburyo bwa fibre nkeya cyangwa uburyo bwinshi.

Igice cya Core Igice cya Multiplexing (CDM) fibre ni ihame rishingiye ku gukoresha gahunda ebyiri nyamukuru.

Iya mbere ishingiye ku ikoreshwa rya fibre imwe ya fibre fibre (fibre fibre), aho fibre ihuriweho na fibre imwe ihuriweho hamwe kugirango ibe fibre fibre cyangwa lente zishobora gutanga amajana agera kuri magana.

Ihitamo rya kabiri rishingiye ku kohereza amakuru hejuru yingingo imwe (uburyo bumwe kuri buri kintu) yashyizwe muri fibre imwe, ni ukuvuga muri fibre ya MCF myinshi. Buri kintu cyose gifatwa nkumuyoboro umwe.

MDM (Module Division Multiplexing) fibre bivuga ihererekanyamakuru ryamakuru muburyo butandukanye bwa fibre optique, buri kimwe gishobora gufatwa nkumuyoboro wihariye.

Ubwoko bubiri busanzwe bwa MDM ni fibre fibre (MMF) hamwe na fibre yuburyo butandukanye (FMF). Itandukaniro nyamukuru hagati yibi byombi ni umubare wuburyo (imiyoboro iboneka). Kubera ko MMFs ishobora gushyigikira umubare munini wuburyo (mirongo yuburyo), guhuza intermodal hamwe nuburyo butandukanye bwo gutinda kwitsinda (DMGD) biba ngombwa.

Hariho na fotonike ya kristal fibre (PCF) ishobora kuvugwa ko ari iyubu bwoko. Ishingiye ku miterere ya kristu ya fotonike, ifunga urumuri binyuze mu ngaruka ya bande kandi ikohereza ikoresheje umwobo wo mu kirere mu gice cyayo.PCF ikozwe cyane cyane mu bikoresho nka SiO2, As2S3, n'ibindi, kandi imyenge yo mu kirere itangizwa mu gace gakikije intangiriro kugira ngo ihindure itandukaniro mu bipimo byangirika hagati y’imbere n’imyambaro.

Fibre ya CDM irashobora gusobanurwa nkukwongeramo gusa parallel ya moderi imwe ya fibre yibikoresho bitwara amakuru, byinjijwe muburyo bumwe (fibre fibre fibre MCF cyangwa fibre fibre bundle)