Hexagonal SiGe isezeranya kwishyira hamwe kwa Silicon Photonics…

Byongeye kandi, nkuko babigaragaje mu mpapuro “Direct bandgap emission ituruka kuri germanium ya hexagonal na silicon-germanium alloys” yasohotse mu kinyamakuru Nature, barabishoboye. Uburebure bwimirasire burashobora guhindurwa muburyo butandukanye. Ku bwabo, ubwo buvumbuzi bushya bushobora kwemerera iterambere rya chipique ya fotonike mu buryo butaziguye muri silicon-germanium ihuriweho.
Urufunguzo rwo guhindura ibinini bya SiGe mubisohoka mu buryo butaziguye ni ukubona germanium na germanium-silicon ivanze hamwe na latike ya hexagonal. Abashakashatsi bo muri kaminuza ya tekinike ya Eindhoven, hamwe na bagenzi be bo muri kaminuza ya tekinike ya Munich na kaminuza ya Jena na Linz, bakoresheje nanowire ikozwe mu bikoresho bitandukanye nk'icyitegererezo cyo gukura kwa mpandeshatu.
Nanowires noneho ikora nk'icyitegererezo cya germanium-silicon shell hejuru yibikoresho byibanze bishyiraho kristu ya mpandeshatu. Mu ikubitiro, ariko, izi nyubako ntizashoboraga gushimishwa no gutanga urumuri. Nyuma yo kungurana ibitekerezo na bagenzi be bo mu kigo cya Walther Schottky Institute muri kaminuza ya tekinike ya Munich, basesenguye imiterere ya optique ya buri gisekuru hanyuma amaherezo banonosora uburyo bwo gukora kugeza aho nanowire ishobora gusohora urumuri.
Prof. Erik Bakkers wo muri kaminuza y’ikoranabuhanga ya Eindhoven agira ati: "Muri icyo gihe, twageze ku bikorwa bigereranywa na indium fosifide cyangwa gallium arsenide". Kubwibyo, kurema laseri ishingiye kuri germanium-silicon alloys ishobora kwinjizwa mubikorwa bisanzwe byo gukora bishobora kuba ikibazo gusa.
Jonathan Finley, umwarimu wa semiconductor kwantum nanosystems muri TUM yagize ati: "Niba dushobora guhitamo itumanaho rya elegitoroniki yo mu gihugu no hagati ya chip, umuvuduko ushobora kwiyongera ku gipimo cya 1.000". irashobora kugabanya cyane umubare wa radar ya lazeri, ibyuma bifata imiti yo gusuzuma indwara, hamwe na chip yo gupima ikirere n’ibiribwa. ”
Silicon germanium alloy yashongeshejwe nisosiyete yacu irashobora kwemera ibipimo byabigenewe