Karamin siliconIQ ModulatorDon sadarwa mai sauri
Daɗaɗa waƙar watsa bayanai na bayanai da ƙarin masu amfani da makamashi a cikin cibiyoyin bayanai sun kori ci gaban babban aikiAbubuwan da ke motsa jiki. Fasaha na Silicon Pretelecronic Fasaha (Siph) ya zama dandamali Platforming iri-iri don haɗa abubuwa da yawa a kan guntun counts, yana ba da karamin ƙarfi da ingantacciyar hanyar mafi inganci. Wannan labarin zai bincika mai ɗaukar jigilar fata ya girgiza silicon IQ Modulator dangane da gesi EAMs, wanda zai iya aiki a mita har zuwa 75 Gabaud.
Tsarin zane da halaye
A da aka gabatar da IQ Modulator yana ɗaukar tsarin hannu uku, kamar yadda aka nuna a hoto 1 (a). Wadanda aka hada da uku GEI EAM da kuma Takaddun Mataki na Tempical, da suka yi amfani da daidaitawar daidaitawa. Hasken shigarwar an haɗu cikin guntu ta hanyar grating ma'aurata (GC) kuma a ko'ina a raba zuwa hanyoyi uku ta hanyar 1 × 3 Multideped intreometer (mmi). Bayan wucewa ta Modulator da shifter da shifter na lokaci, ana lika hasken da 1 × 3 mmi sannan kuma a haɗe zuwa fiber ɗin saiti guda ɗaya (SSMF).
Hoto na 1: (a) Motocin Microscopic na IQ Modulator; (b) - (d) EO S21, raguwar ragin bakan, da kuma transrittance na guda Gei EAM; (e) zane zane na IQ Modulator da kuma daidaitaccen lokaci na lokaci na shifter; (f) Mai ɗaukar hoto mai ɗaukar hoto akan jirgin da ya hadaddun. Kamar yadda aka nuna a hoto 1 (b), Gesi EAM yana da bandwidth mai fadi. Hoto na 1 (B) Ya auna sigogi na S21 na tsarin gwajin GeI na ɗaya ta amfani da ƙirar gwaji na 67 (LCA). Figures 1 (c) da 1 (d) bi da bi da tsayayyen tsaka-tsakin rabo (er) a cikin dc voltages da kuma watsa a wani zazzabi na 1555 nanomiters.
Kamar yadda aka nuna a hoto 1 (e), babban fasalin wannan ƙirar shine ikon murƙushe masu ɗaukar abubuwa na gani ta hanyar haɗa shi da haɗin kai a tsakiyar. Canjin lokaci tsakanin makamai da ƙananan makamai ne π / 2, ana amfani da shi don hadaddun tuning, yayin da bambancin zamani tsakanin yankin tsakiya yake -3 π / 4. Wannan yadi yana ba da izinin tsangwama ga mai ɗauka, kamar yadda aka nuna a cikin jirgin sama mai hadaddun 1 (F).
Saitin gwaji da sakamako
Ana nuna saitin gwaji na babban-sauri-sauri a hoto na 2 (a). Ana amfani da janareta mai rikitarwa mai rikitarwa mai rikitarwa (Keysight M8194a) ana amfani da shi azaman real amsoshin (tare da hade da keɓaɓɓen 'yan tekun. Noas son wutar lantarki na GEI EAM ne -2.5, kuma an yi amfani da kebul na RF RF tsakanin I da tashoshin da ba za a iya amfani da shi ba.
Hoto na 2: (a) Saitin gwaji na gwaji, (b) Carrier Carrier a 70 Gabaud, (c) Kuskure da darajar bayanai, (d) Edcelation da 70 Gabaud. Yi amfani da murfin kasuwanci na waje Laser (ECCL) tare da layin yanki na 100 khz, zazzabi na 1555 nm, da ikon ƙarfe 12 DBM a matsayin mai ɗaukar hoto. Bayan Matsayi, siginar gani tana samarwa ta amfani daErbium-doped fiber fiber amplifier(EDFA) don rama asara akan asara da daidaitawa tare da asarar sakewa mai amfani.
A karshen karba, mai binciken bakan (OSA) yana nuna idanu da sashen sasanta da mai ɗaukar hoto, kamar yadda aka nuna a hoto na 20 na alama Gabaud. Yi amfani da mai karɓar sigogi na dual don karɓar sigina, wanda ya ƙunshi wani 90 Hanya Entical Enticer da hudu40 GHZ daidaito masu hoto, kuma an haɗa shi zuwa ga 33 GHZ, 80 gsa / s real-lokaci osciloscope (RTO) (keysight Dosz634a). A na biyu eleciye tare da layin dogo ne na 100 khz a matsayin Oscillator na gida (lo). Saboda mai canzawa yana aiki a ƙarƙashin yanayin pallarization guda ɗaya, ana amfani da tashoshi biyu na lantarki kawai don juyawa-dijital (AC). Ana yin rikodin bayanan akan RTO da sarrafawa ta amfani da processor Screencor Processor Sassara na kan layi (mai tsawo).
Kamar yadda aka nuna a cikin Hoto na 2 (C), an gwada IQ Modulator ta amfani da tsarin QPSK na QPSK daga tsarin QPSK daga 40 Gabaud zuwa 75 Gabaud. Sakamakon ya nuna cewa a karkashin 7% yanke shawara gaba gyarar kuskure (HD-FEC), ragi na iya kaiwa 140 gB / s; A karkashin yanayin yanke shawara na 20% na gyara kuskuren gyara (SD-FEC), saurin zai iya kaiwa 150 gB / s. An nuna zane mai lamba Cibantelation a 70 Gabaud a cikin Hoto na 2 (D). Sakamakon yana iyakance da Oscillscope bandwidth na 33 GHZ, wanda yayi daidai da bandwidth siginar kusan 66 Gabaud.
Kamar yadda aka nuna a cikin Hoto na 2 (b), tsarin hannu guda uku na iya murmurewa yadda yakamata a murƙushe masu riƙƙarfan dafaffen taikiyo tare da darajar bashin da suka wuce 30 DB. Wannan tsarin ba ya bukatar cikakken kawar da mai ɗaukar kaya kuma ana iya amfani dashi a cikin masu karɓa waɗanda ke buƙatar tones da mai ɗaukar kaya don dawo da sigina, kamar su karɓar Keramer Kronig (kamar KRERER KONronig (kamar KRERER KONronig (kamar KRERER KONronig (KK). Za'a iya gyara mai ɗaukar kaya ta hanyar shige mai ƙanƙan kai don cimma mai ɗaukar nauyin da ake so zuwa tsarinsa (CSR).
Abvantbuwan amfãni da aikace-aikace
Idan aka kwatanta da kayan gargajiya na zehender (MZM Modulators) Da sauran masu wasan kwaikwayo na IQ na tushen silicon, da samin silicon na iQ Modulator yana da fa'idodi da yawa. Da fari dai, karamin girma ne, fiye da sau 10 karami fiye da iQ modulators dangane daMach Zhender(Ban da Bonding Pads), don haka ƙara haɓakar haɓakawa da rage yankin guntu. Abu na biyu, ƙirar lantarki da keɓaɓɓe baya buƙatar amfani da masu tsayayya da ƙarfafawa, da hakan yana rage ƙarfin na'ura da makamashi a kowane bit. Abu na uku, da mai ɗaukar ruwa da ƙarfi yana haifar da raguwar ikon watsa, yana inganta haɓaka makamashi.
Bugu da kari, da gani bandwidth na GEI EAM ne sosai (sama da biyu), kawar da bukatar sarrafa da'irar sarrafawa da kuma daidaita masu sarrafa microveve, ta haka ne sauqaqatar ƙira.
Wannan karamin abu ne mai inganci IQ Modulator ya dace sosai ga na gaba-na gaba, count ƙididdige masu haɗin gwiwa a cikin cibiyoyin sadarwa da kuma inganta ƙarfin sadarwa.
Mai ɗaukar nauyi ya girgiza silicon iQ Modulator na bayar da kyakkyawan aiki, tare da farashin watsa bayanai na har zuwa 150 GB / s karkashin yanayin shekaru 20% SD-FEC yanayi. Tsarinsa na hannu 3 wanda ya danganta da GEI EAM yana da fa'idodi masu mahimmanci dangane da sawun, ƙarfin makamashi, da kuma sauƙin sassauƙa. Wannan Modulator yana da ikon kashe ko daidaita mai ɗaukar hoto kuma ana iya haɗe shi da ganowa da kuma makirci na Konik. Su nasarorin da aka nuna tana tuƙi game da tabbatar da haɓaka da haɓaka haɗi da ingantattun masu canzawa don saduwa da haɓaka buƙatun don sadarwa mai ƙarfi a cibiyoyin bayanai da sauran filayen.
Lokaci: Jan - 21-2025