Njira zopangira ma multiplexing ndi mgwirizano wawo pa kulumikizana kwa on-chip ndi optical fiber

Gulu lofufuza la Pulofesa Khonina kuchokera ku Institute of Image Processing Systems of the Russian Academy of Sciences linafalitsa pepala lotchedwa “Optical multiplexing techniques and their marriage” muOpto-ElectronicZotsogola za pa-chip ndikulankhulana kwa ulusi wa kuwala: ndemanga. Gulu lofufuza la Pulofesa Khonina lapanga zinthu zingapo zowunikira zotulutsa kuwala kuti zigwiritsidwe ntchito mu MDM m'malo omasuka komansokuwala kwa fiberKoma bandwidth ya netiweki ili ngati "kabati yanu", si yayikulu kwambiri, sikokwanira. Kuyenda kwa deta kwapangitsa kuti anthu ambiri azifuna kwambiri. Mauthenga afupiafupi a imelo akusinthidwa ndi zithunzi zojambula zomwe zimatenga bandwidth. Pa ma netiweki a data, makanema ndi mawu omwe zaka zingapo zapitazo anali ndi bandwidth yambiri, akuluakulu olankhulana tsopano akuyang'ana njira yosazolowereka yokwaniritsira kufunikira kosatha kwa bandwidth. Kutengera ndi zomwe adakumana nazo kwambiri m'derali la kafukufuku, Pulofesa Khonina adafotokoza mwachidule kupita patsogolo kwaposachedwa komanso kofunikira kwambiri pankhani ya multiplexing momwe angathere. Mitu yomwe yafotokozedwa mu ndemangayi ikuphatikizapo WDM, PDM, SDM, MDM, OAMM, ndi ukadaulo wosakanikirana wa WDM-PDM, WDM-MDM, ndi PDM-MDM. Pakati pawo, pogwiritsa ntchito multiplexer ya hybrid WDM-MDM, njira za N×M zitha kuchitika kudzera mu ma wavelengths a N ndi njira zowongolera za M.

Bungwe la Institute of Image Processing Systems la Russian Academy of Sciences (IPSI RAS, lomwe tsopano ndi nthambi ya Federal Scientific Research Center ya Russian Academy of Sciences “Crystallography and Photonics”) linakhazikitsidwa mu 1988 pogwiritsa ntchito gulu lofufuza ku Samara State University. Gululi likutsogoleredwa ndi Victor Alexandrovich Soifer, membala wa Russian Academy of Sciences. Limodzi mwa malangizo ofufuza a gulu lofufuza ndi kupanga njira zamanambala ndi maphunziro oyesera a ma laser a multi-channel. Maphunziro awa adayamba mu 1982, pomwe chinthu choyamba cha multi-channel diffracted optical element (DOE) chinapangidwa mogwirizana ndi gulu la Nobel Laureate mu fizikisi, Academician Alexander Mikhailovich Prokhorov. M'zaka zotsatira, asayansi a IPSI RAS adapereka, kutsanzira ndikuphunzira mitundu yambiri ya zinthu za DOE pamakompyuta, kenako adazipanga ngati ma hologram osiyanasiyana okhala ndi mawonekedwe ofanana a laser. Zitsanzo zikuphatikizapo ma vortice optical, Lacroerre-Gauss mode, Hermi-Gauss mode, Bessel mode, Zernick function (yowunikira kusinthasintha), ndi zina zotero. DOE iyi, yopangidwa pogwiritsa ntchito electron lithography, imagwiritsidwa ntchito pofufuza kuwala kwa kuwala kutengera kuwonongeka kwa mawonekedwe a kuwala. Zotsatira za muyeso zimapezeka mu mawonekedwe a ma correlation peaks pamalo ena (diffraction orders) mu ndege ya Fourier yadongosolo la kuwalaPambuyo pake, mfundoyi idagwiritsidwa ntchito popanga mipiringidzo yovuta, komanso kuchotsa mipiringidzo yambiri mu ulusi wa kuwala, malo omasuka, ndi zolumikizira zamagetsi pogwiritsa ntchito DOE ndi malo.Ma modulators a kuwala.