Fasahar tsararru na gani lokaci sabon nau'in fasahar sarrafa katako, wanda ke da fa'idodin sassauƙa, babban gudu da daidaici.

A halin yanzu, yawancin bincike suna kan tsararrun tsararru na gani na kristal ruwa, jagorar igiyar ruwa, da tsarin microelectromechanical (MEMS). Abin da muke kawo muku a yau shine ƙa'idodin da ke da alaƙa na tsararrun tsararru na gani na gani.

Tsararren waveguide na gani yana amfani da tasirin electro-Optical ko tasirin thermo-optical na kayan dielectric don sanya hasken ya juya baya bayan wucewa ta cikin kayan.

Na gani Waveguide Pgaggauta Ashirya Baka yi Electro-Optical Effect

Sakamakon electro-optical na crystal shine a yi amfani da filin lantarki na waje zuwa crystal, ta yadda hasken da ke wucewa ta cikin crystal yana haifar da jinkirin lokaci mai alaka da filin lantarki na waje. Dangane da tasirin farko na electro-optical na crystal, jinkirin lokaci da filin lantarki ya haifar ya yi daidai da ƙarfin lantarki da aka yi amfani da shi, kuma jinkirin lokacin jinkirin hasken da ke wucewa ta cikin ainihin waveguide na gani za a iya canza ta hanyar sarrafa wutar lantarki akan Lantarki Layer na kowane Tantancewar waveguide core. Don tsararrun tsararrun waveguides na gani tare da N-Layer waveguide, ana nuna ƙa'idar a cikin Hoto 1: ana iya sarrafa watsawar hasken wuta a cikin kowane ɓangaren tushe, kuma ana iya bayyana halayen rarraba hasken hasken sa na lokaci-lokaci ta hanyar ka'idar diffraction grating. . Ta hanyar sarrafa ƙarfin lantarki da aka yi amfani da shi akan babban Layer bisa ga ƙayyadaddun ƙa'ida don samun daidaitaccen rarraba bambance-bambancen lokaci, zamu iya sarrafa tsangwama na rarraba hasken haske a cikin filin nesa. Sakamakon tsangwama shine babban hasken haske mai ƙarfi a cikin wata hanya, yayin da raƙuman hasken da ke fitowa daga sassan sarrafa lokaci a wasu wurare suna soke juna, ta yadda za a gane karkatar da hasken hasken.

Hoto 1 Ka'idodin grating bisa ga Electro-Optical Tasirin tsararrun tsararrun waveguide na gani

Tsare-tsaren Waveguide Na gani Dangane da Tasirin Thermo-Optical

Crystal’s Thermo-optical sakamako yana nufin abin da ke faruwa cewa tsarin kwayoyin halitta na crystal yana canzawa ta hanyar dumama ko sanyaya kristal, wanda ke haifar da kayan gani na crystal don canzawa tare da canjin yanayin zafi. Saboda anisotropy na crystal, da thermo-Optical sakamako yana da daban-daban bayyanuwar, wanda zai iya zama canji na Semi-axis tsawon na indicatrix, ko canji na Tantancewar axis kwana, da hira da Tantancewar axis jirgin sama, da jujjuyawar alamar, da sauransu. Kamar tasirin wutar lantarki, tasirin thermo-optical yana yin irin wannan tasiri akan karkatar da katako. Ta hanyar canza ƙarfin dumama don canza ingantacciyar fihirisar raƙuman raƙuman raƙuman raƙuman ruwa, ana iya samun karkatar da kusurwa a cikin wata hanya. Hoto na 2 siffa ce ta tsararraki na tsararrun waveguide na gani wanda ya danganta da tasirin yanayin zafi. Tsarin tsararru ba a tsara shi ba daidai ba kuma an haɗa shi akan na'urar CMOS 300mm don cimma babban juzu'i na dubawa.

Hoto 2 Ka'idoji na tsararrun tsararru na jagorar igiyar gani da ido dangane da tasirin Thermo-Optical