Makomar electro Optical modulators

Makomarelectro Optical modulators

Masu amfani da na'urorin lantarki suna taka muhimmiyar rawa a cikin tsarin optoelectronic na zamani, suna taka muhimmiyar rawa a fagage da yawa tun daga sadarwa zuwa lissafin ƙididdiga ta hanyar daidaita kaddarorin haske. Wannan takarda ta tattauna halin yanzu, sabon ci gaba da ci gaban fasahar modulator na lantarki a nan gaba

Hoto 1: Kwatancen aiki na daban-dabanna gani modulatorfasahar, ciki har da na bakin ciki fim lithium niobate (TFLN), III-V lantarki sha modulators (EAM), silicon-tushen da kuma polymer modulators cikin sharuddan shigar da asarar, bandwidth, ikon amfani, size, da kuma masana'antu iya aiki.

Modulator na tushen silicon na gargajiya na al'ada da iyakokin su

Masu daidaita hasken wutar lantarki na tushen Silicon sun kasance tushen tsarin sadarwa na gani tsawon shekaru da yawa. Dangane da tasirin watsawar plasma, irin waɗannan na'urori sun sami ci gaba mai ban mamaki a cikin shekaru 25 da suka gabata, suna haɓaka ƙimar canja wurin bayanai da umarni uku na girma. Modulator na tushen silicon na zamani na iya cimma 4-level pulse amplitude modulation (PAM4) har zuwa 224 Gb/s, har ma fiye da 300 Gb/s tare da daidaitawar PAM8.

Koyaya, masu daidaitawa na tushen silicon suna fuskantar ƙayyadaddun ƙayyadaddun ƙayyadaddun kayan aiki. Lokacin da masu ɗaukar hoto na gani suna buƙatar ƙimar baud fiye da 200+ Gbaud, bandwidth ɗin waɗannan na'urori yana da wahala don biyan buƙatu. Wannan ƙayyadaddun ya samo asali ne daga ainihin kaddarorin silicon - ma'auni na guje wa asarar haske mai yawa yayin da yake kiyaye isasshen aiki yana haifar da ɓangarorin da ba makawa.

Fasaha da kayan modulator masu tasowa

Ƙayyadaddun gyare-gyare na tushen silicon na gargajiya sun haifar da bincike cikin madadin kayan aiki da fasahar haɗin kai. Lithium niobate na fim na bakin ciki ya zama ɗaya daga cikin mafi kyawun dandamali don sabon ƙarni na masu daidaitawa.Sirin fim lithium niobate electro-optic modulatorsGaji ingantattun halaye na girma lithium niobate, gami da: faffadan taga mai faxi, babban madaidaicin electro-optic (r33 = 31 pm/V) Tasirin cellar cell Kerrs na iya aiki a cikin jeri mai tsayi da yawa.

Ci gaban kwanan nan a fasahar lithium niobate na fim na bakin ciki ya haifar da sakamako mai ban mamaki, gami da na'ura mai daidaitawa da ke aiki a 260 Gbaud tare da ƙimar bayanai na 1.96 Tb/s kowace tashoshi. Dandali yana da fa'idodi na musamman irin su CMOS mai dacewa da wutar lantarki da bandwidth 3-dB na 100 GHz.

Aikace-aikacen fasaha mai tasowa

Haɓaka na'urorin lantarki na lantarki yana da alaƙa da alaƙa da aikace-aikace masu tasowa a fagage da yawa. A fagen ilimin wucin gadi da cibiyoyin bayanai.high-gudun modulatorssuna da mahimmanci ga ƙarni na gaba na haɗin kai, kuma aikace-aikacen kwamfuta na AI suna motsa buƙatun 800G da 1.6T masu haɗawa. Hakanan ana amfani da fasahar na'ura mai ƙira ga: ƙididdiga bayanai sarrafa neuromorphic computing Frequency modulated ci gaba da wave (FMCW) lidar microwave photon fasahar

Musamman, sikirin fim lithium niobate electro-optic modulators suna nuna ƙarfi a cikin injunan sarrafa kwamfuta na gani, suna ba da saurin ƙaramin ƙarfi wanda ke haɓaka koyan na'ura da aikace-aikacen hankali na wucin gadi. Irin waɗannan na'urori masu daidaitawa kuma suna iya aiki a ƙananan yanayin zafi kuma sun dace da mu'amalar ƙididdiga-na al'ada a cikin manyan layukan sarrafawa.

Haɓaka na gaba-gaba na na'urorin lantarki na gani na fuskantar manyan ƙalubale da yawa: Farashin samarwa da sikelin: sikirin-fim lithium niobate modulators a halin yanzu an iyakance ga samar da wafer na mm 150, wanda ke haifar da ƙarin farashi. Masana'antar tana buƙatar faɗaɗa girman wafer yayin kiyaye daidaiton fim da inganci. Haɗin kai da ƙira: Ci gaban ci gaba na nasarahigh-yi modulatorsyana buƙatar cikakkun damar ƙirar haɗin gwiwa, wanda ya haɗa da haɗin gwiwar optoelectronics da masu zanen guntu na lantarki, masu samar da EDA, founts, da ƙwararrun marufi. Ƙirƙirar masana'antu: Yayin da tsarin optoelectronics na tushen silicon ba su da rikitarwa fiye da na'urorin lantarki na CMOS na ci gaba, samun ingantaccen aiki da yawan amfanin ƙasa yana buƙatar ƙwarewa mai mahimmanci da haɓaka aikin masana'antu.

Ƙaddamar da haɓakar AI da dalilai na geopolitical, filin yana samun karuwar zuba jari daga gwamnatoci, masana'antu da kamfanoni masu zaman kansu a duniya, samar da sababbin dama don haɗin gwiwa tsakanin masana'antu da masana'antu da kuma yin alƙawarin hanzarta haɓakawa.