Dabarun multixing na gani da auren su don kan-chip da sadarwar fiber na gani

Tawagar binciken Farfesa Khonina daga Cibiyar Kula da Tsarin Hoto ta Cibiyar Nazarin Kimiyya ta Rasha ta buga takarda mai suna "Tsarin multixing dabaru da aurensu" a cikin.Opto-ElectronicCi gaba don on-chip dasadarwa fiber na gani: bita. Ƙungiyar bincike ta Farfesa Khonina ta ƙirƙira abubuwa daban-daban na gani don aiwatar da MDM a cikin sarari kyauta kumafiber optics. Amma bandwidth na cibiyar sadarwa yana kama da "wardrobe na kansa", bai taɓa girma ba, bai isa ba. Gudun bayanai sun haifar da fashewar buƙatun zirga-zirga. Ana maye gurbin gajerun saƙonnin imel da hotuna masu rai waɗanda ke ɗaukar bandwidth. Don bayanai, cibiyoyin watsa shirye-shiryen bidiyo da muryar murya waɗanda 'yan shekarun da suka gabata kawai ke da yawan bandwidth, hukumomin sadarwar yanzu suna neman ɗaukar hanyar da ba ta dace ba don biyan buƙatun bandwidth mara iyaka. Dangane da gogewar da ya samu a wannan fanni na bincike, Farfesa Khonina ya taƙaita sabbin ci gaba kuma mafi mahimmancin ci gaban da aka samu a fannin yawan yawan adadin da ya iya. Batutuwan da aka rufe a cikin bita sun haɗa da WDM, PDM, SDM, MDM, OAMM, da fasahar haɗaɗɗun nau'ikan nau'ikan WDM-PDM, WDM-MDM, da PDM-MDM. Daga cikin su, kawai ta amfani da matasan WDM-MDM multiplexer, N × M tashoshi za a iya gane ta hanyar N raƙuman ruwa da M jagora halaye.

Cibiyar Nazarin Tsarin Hoto na Kwalejin Kimiyya ta Rasha (IPSI RAS, yanzu reshe ne na Cibiyar Nazarin Kimiyya ta Tarayya ta Cibiyar Nazarin Kimiyya ta Rasha "Crystallography da Photonics") an kafa shi a cikin 1988 bisa ga ƙungiyar bincike a Samara. Jami'ar Jiha. Kungiyar tana karkashin jagorancin Victor Alexandrovich Soifer, memba na Kwalejin Kimiyya na Rasha. Ɗaya daga cikin jagororin bincike na ƙungiyar bincike shine haɓaka hanyoyin ƙididdiga da nazarin gwaji na katako na laser mai yawa. Wadannan karatun sun fara ne a cikin 1982, lokacin da aka fara gano na'urar tashoshi ta farko ta diffracted Optical element (DOE) tare da haɗin gwiwar ƙungiyar lambar yabo ta Nobel a fannin kimiyyar lissafi, Masanin kimiyya Alexander Mikhailovich Prokhorov. A cikin shekarun da suka biyo baya, masana kimiyya na IPSI RAS sun ba da shawara, kwaikwaya da kuma nazarin nau'ikan abubuwan DOE da yawa akan kwamfutoci, sannan suka ƙirƙira su a cikin nau'ikan holograms na zamani daban-daban tare da daidaitattun ƙirar laser. Misalai sun haɗa da vortices na gani, Yanayin Lacroerre-Gauss, Yanayin Hermi-Gauss, Yanayin Bessel, Ayyukan Zernick (don bincike na aberration), da dai sauransu. Wannan DOE, wanda aka yi ta amfani da lithography na lantarki, ana amfani da shi don nazarin katako dangane da lalata yanayin yanayin gani. Ana samun sakamakon ma'auni a cikin nau'i na kololuwar daidaitawa a wasu wurare (umarni na rarrabuwa) a cikin jirgin Fourier natsarin gani. Daga baya, an yi amfani da ƙa'idar don samar da hadaddun katako, da kuma raguwar katako a cikin filaye na gani, sarari kyauta, da kuma kafofin watsa labaru masu rikici ta amfani da DOE da sararin samaniya.Modulator na gani.