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I-Attosecond pulses iveza izimfihlo zokulibaziseka kwesikhathi
I-Attosecond pulses yembula izimfihlo zokubambezeleka kwesikhathi Ososayensi e-United States, ngosizo lwe-attosecond pulses, baveze ulwazi olusha mayelana nomphumela we-photoelectric: ukubambezeleka kokukhishwa kwe-photoelectric kufinyelele kuma-attoseconds angu-700, isikhathi eside kakhulu kunalokho obekulindelwe ngaphambilini. Lolu cwaningo lwakamuva...Funda kabanzi -
Izimiso ze-photoacoustic imaging
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Isimiso sokusebenza se-semiconductor laser
Isimiso sokusebenza se-laser ye-semiconductor Okokuqala, izidingo zepharamitha zama-lasemiconductor lasers ziyethulwa, ikakhulukazi ezihlanganisa izici ezilandelayo: 1. Ukusebenza kwesithombe sikagesi: okuhlanganisa isilinganiso sokushabalala, ububanzi bomugqa oguquguqukayo neminye imingcele, le mingcele ithinta ngokuqondile...Funda kabanzi -
Ukusetshenziswa kwe-laser semiconductor emkhakheni wezokwelapha
Ukusetshenziswa kwe-laser ye-semiconductor emkhakheni wezokwelapha I-laser ye-semiconductor iwuhlobo lwe-laser ene-semiconductor material njengendlela yokuzuza, ngokuvamile enendiza yemvelo yokuhlukanisa njenge-resonator, encike ekugxumeni phakathi kwamabhande wamandla we-semiconductor ukuze akhiphe ukukhanya. Ngakho-ke, inezinzuzo zoku...Funda kabanzi -
Isithwebuli sezithombe esisha esizwela kakhulu
Isithwebuli sezithombe esisha esizwela kakhulu Muva nje, ithimba labacwaningi e-Chinese Academy of Sciences (CAS) elisekelwe ku-polycrystalline gallium-rich Gallium oxide Materials (PGR-GaOX) lihlongoze ngokokuqala ngqa isu elisha lokuklama lokuzwela okuphezulu kanye nesivinini sokuphendula esiphezulu se-photodetector ngokusebenzisa...Funda kabanzi -
Ukuxhumana okubethelwe kwe-Quantum
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I-spectrometer ye-Hardware yokuthola isignali yokubona
I-spectrometer yehadiwe yokutholwa kwesignali yokubona I-spectrometer iyinsimbi yokubona ehlukanisa ukukhanya kwe-polychromatic kube i-spectrum. Kunezinhlobo eziningi zama-spectrometers, ngaphezu kwama-spectrometers asetshenziswa ebhendini yokukhanya ebonakalayo, kukhona ama-infrared spectrometer kanye ne-ultraviolet spect...Funda kabanzi -
Ukusetshenziswa kobuchwepheshe be-quantum microwave photonics
Ukusetshenziswa kobuchwepheshe be-quantum microwave photonics technology Ukutholwa kwesignali ebuthakathaka Enye yezinhlelo ezithembisayo kakhulu zobuchwepheshe be-quantum microwave photonics ukutholwa kwamasiginali e-microwave/RF ebuthaka kakhulu. Ngokusebenzisa ukutholwa kwe-photon eyodwa, lezi zinhlelo zizwela kakhulu kune-tra...Funda kabanzi -
Ubuchwepheshe be-Quantum microwave optical
Ubuchwepheshe be-quantum microwave optical Ubuchwepheshe be-Microwave optical sebuphenduke insimu enamandla, ehlanganisa izinzuzo zobuchwepheshe be-optical kanye ne-microwave ekucubunguleni isignali, ukuxhumana, ukuzwa kanye nezinye izici. Kodwa-ke, izinhlelo ezijwayelekile ze-microwave photonic zibhekana nomkhawulo othile obalulekile...Funda kabanzi -
Ukwethulwa kafushane kobuchwepheshe bemoduli ye-laser
Ukwethulwa kafushane kobuchwepheshe bemoduli ye-laser I-Laser iyigagasi elisebenza ngogesi elinemvamisa ephezulu, ngenxa yokuhlangana kwayo okuhle, njengamaza kagesi endabuko (njengalawo asetshenziswa emsakazweni nakumabonakude), njengegagasi elithwala ukudlulisa ulwazi. Inqubo yokulayisha ulwazi ku-las...Funda kabanzi -
Ukwakheka kwamadivayisi okuxhumana okubona
Ukwakheka kwemishini yokuxhumana ebonakalayo Uhlelo lokuxhumana olunegagasi lokukhanya njengesignali kanye ne-Optical fiber njengendlela yokudlulisa ibizwa ngokuthi i-Optical fiber communications system. Izinzuzo zokuxhumana nge-fiber optical uma kuqhathaniswa nekhebula lendabuko le-communicati...Funda kabanzi -
Izithonjana zezithombe ze-OFC2024
Namuhla ake sibheke ama-photodetectors e-OFC2024, ahlanganisa ikakhulukazi i-GeSi PD/APD, i-InP SOA-PD, ne-UTC-PD. 1. I-UCDAVIS ibona isithwebuli sesithombe esibuthakathaka esingu-1315.5nm esingalinganisi se-Fabry-Perot esinamandla amancane kakhulu, esilinganiselwa ku-0.08fF. Lapho i-bias ingu -1V (-2V), umsinga omnyama...Funda kabanzi
