Tushen haske mai tsayi da yawa akan takardar lebur

Tsawon zango da yawatushen haskea kan takardar lebur

Kwamfutocin gani sune hanya ta gaba da za a bi don ci gaba da Dokar Moore, ta zama yarjejeniya tsakanin masana ilimi da masana'antu, tana iya magance matsalolin saurin da amfani da wutar lantarki da kwamfutocin lantarki ke fuskanta yadda ya kamata, ana sa ran za ta lalata makomar kwamfutoci masu wayo da kuma saurin gaske.sadarwa ta ganiA cikin 'yan shekarun nan, wani muhimmin ci gaba na fasaha a cikin photonics na tushen silicon ya mayar da hankali kan haɓaka ƙwayoyin microcavity na soliton na gani, wanda zai iya samar da ƙwayoyin mita masu tazara iri ɗaya ta hanyar ƙwayoyin microcavities na gani. Saboda fa'idodin haɗakarwa mai yawa, faɗaɗɗen bakan da yawan maimaitawa mai yawa, tushen hasken soliton na matakin guntu yana da yuwuwar amfani a cikin sadarwa mai girma, spectroscopy,microwave photonics, auna daidaito da sauran filayen. Gabaɗaya, ingancin juyawar tsefewar mitar optical soliton guda ɗaya galibi yana iyakancewa ta hanyar sigogi masu dacewa na microcavity na gani. A ƙarƙashin takamaiman ƙarfin famfo, ƙarfin fitarwa na tsefewar mitar optical soliton guda ɗaya sau da yawa yana iyakancewa. Gabatar da tsarin ƙara girman gani na waje ba makawa zai shafi rabon sigina-zuwa-hayaniya. Saboda haka, bayanin martaba mai faɗi na tsefewar mitar optical soliton ya zama abin da ake nema a wannan fanni.

Kwanan nan, wata ƙungiyar bincike a Singapore ta sami ci gaba mai mahimmanci a fannin tushen haske mai tsawon zango da yawa akan zanen gado mai faɗi. Ƙungiyar binciken ta ƙirƙiro guntuwar microcavity mai faɗi da faɗi da kusan sifili, kuma ta naɗe guntuwar na'urar hangen nesa da kyau tare da haɗin gefe (asarar haɗin gwiwa ƙasa da 1 dB). Dangane da guntuwar microcavity na gani, tasirin thermo-optical mai ƙarfi a cikin microcavity na gani yana shawo kan tsarin fasaha na famfo biyu, kuma tushen haske mai tsawon zango da yawa tare da fitarwa mai faɗi. Ta hanyar tsarin sarrafa amsawa, tsarin tushen soliton mai tsawon zango da yawa zai iya aiki lafiya fiye da awanni 8.

Fitowar hasken ta kusan trapezoidal ce, saurin maimaitawa kusan 190 GHz ne, faɗin bakan ya rufe 1470-1670 nm, faɗin bakan ya kai kusan 2.2 dBm (daidaitaccen karkacewa), kuma faɗin bakan ya mamaye kashi 70% na dukkan kewayon bakan, wanda ya rufe bakan S+C+L+U. Sakamakon binciken za a iya amfani da shi a cikin haɗin gani mai ƙarfi da girma mai girma.na ganiTsarin lissafi. Misali, a cikin tsarin nuna sadarwa mai girman girma wanda ya dogara da tushen tsefe na soliton mai girman microcavity, ƙungiyar tsefe na mita mai babban bambancin kuzari tana fuskantar matsalar ƙarancin SNR, yayin da tushen soliton mai daidaitaccen fitarwa na iya shawo kan wannan matsalar yadda ya kamata kuma yana taimakawa wajen inganta SNR a cikin sarrafa bayanai na gani, wanda ke da mahimmancin injiniyanci.

An buga aikin, mai taken "Flat soliton microcomb source," a matsayin takardar murfin a cikin Opto-Electronic Science a matsayin wani ɓangare na fitowar "Digital and Intelligent Optics".

Hoto na 1. Tsarin hasken da ke samar da hasken da ke da tsawon zango da yawa a kan farantin lebur