Izindaba

  • Ukuxhumana okubethelwe nge-Quantum

    Ukuxhumana okubethelwe nge-Quantum

    Ukuxhumana okufihliwe kwe-Quantum Ukuxhumana okuyimfihlo kwe-Quantum, okwaziwa nangokuthi ukusatshalaliswa kokhiye we-quantum, kuyindlela yokuxhumana kuphela eye yafakazelwa ukuthi iphephile ngokuphelele ezingeni lamanje lokuqonda komuntu. Umsebenzi wayo ukusabalalisa ngokuguquguqukayo ukhiye phakathi kuka-Alice noBob ...
    Funda kabanzi
  • I-spectrometer yehadiwe yokuthola isignali ye-Optical

    I-spectrometer yehadiwe yokuthola isignali ye-Optical

    I-spectrometer yehadiwe yokuthola isignali ye-optical I-spectrometer iyithuluzi le-optical elihlukanisa ukukhanya kwe-polychromatic kube yi-spectrum. Kunezinhlobo eziningi zama-spectrometer, ngaphezu kwama-spectrometer asetshenziswa kubhendi yokukhanya ebonakalayo, kune-infrared spectrometers kanye ne-ultraviolet spect...
    Funda kabanzi
  • Ukusetshenziswa kobuchwepheshe be-quantum microwave photonics

    Ukusetshenziswa kobuchwepheshe be-quantum microwave photonics

    Ukusetshenziswa kobuchwepheshe be-quantum microwave photonics Ukutholwa kwesignali ebuthakathaka Enye yezinhlelo zokusebenza ezithembisayo kakhulu zobuchwepheshe be-quantum microwave photonics ukutholakala kwesignali ye-microwave/RF ebuthakathaka kakhulu. Ngokusebenzisa ukutholwa kwe-photon eyodwa, lezi zinhlelo zizwela kakhulu kunezindlela...
    Funda kabanzi
  • Ubuchwepheshe be-optical be-microwave ye-quantum

    Ubuchwepheshe be-optical be-microwave ye-quantum

    Ubuchwepheshe be-optical be-microwave ye-quantum Ubuchwepheshe be-optical be-microwave sebuyinsimu enamandla, buhlanganisa izinzuzo zobuchwepheshe be-optical kanye ne-microwave ekucubungulweni kwesignali, ukuxhumana, ukuzwa kanye nezinye izici. Kodwa-ke, izinhlelo ze-photonic ze-microwave ezivamile zibhekene nemikhawulo ethile ebalulekile...
    Funda kabanzi
  • Isingeniso esifushane sobuchwepheshe be-laser modulator

    Isingeniso esifushane sobuchwepheshe be-laser modulator

    Ukwethulwa okufushane kobuchwepheshe be-laser modulator I-Laser iyigagasi le-electromagnetic elisebenzisa imvamisa ephezulu, ngenxa yokuhambisana kwalo okuhle, njengamagagasi e-electromagnetic endabuko (njengalawo asetshenziswa emsakazweni nakumabonakude), njengegagasi lokuthwala ukudlulisa ulwazi. Inqubo yokulayisha ulwazi ku-las...
    Funda kabanzi
  • Ukwakheka kwamadivayisi okuxhumana kwe-optical

    Ukwakheka kwamadivayisi okuxhumana kwe-optical

    Ukwakheka kwamadivayisi okuxhumana kwe-optical Uhlelo lokuxhumana olunegagasi lokukhanya njengesignali kanye ne-Optical fiber njengendlela yokudlulisela lubizwa ngokuthi uhlelo lokuxhumana lwe-Optical fiber. Izinzuzo zokuxhumana kwe-optical fiber uma kuqhathaniswa nokuxhumana kwekhebula lendabuko...
    Funda kabanzi
  • Izitholi zezithombe ze-OFC2024

    Izitholi zezithombe ze-OFC2024

    Namuhla ake sibheke ama-photodetector e-OFC2024, ahlanganisa kakhulu i-GeSi PD/APD, i-InP SOA-PD, kanye ne-UTC-PD. 1. I-UCDAVIS ibona i-photodetector ye-Fabry-Perot engalingani engu-1315.5nm ebuthakathaka ene-capacitance encane kakhulu, elinganiselwa ku-0.08fF. Uma i-bias ingu--1V (-2V), ugesi omnyama...
    Funda kabanzi
  • Uhlobo lwesakhiwo sedivayisi ye-photodetector

    Uhlobo lwesakhiwo sedivayisi ye-photodetector

    Uhlobo lwesakhiwo sedivayisi ye-photodetector I-Photodetector iyidivayisi eguqula isignali yokukhanya ibe isignali kagesi, isakhiwo sayo kanye nokuhlukahluka kwayo, ingahlukaniswa kakhulu ngezigaba ezilandelayo: (1) I-Photoconductive photodetector Lapho amadivayisi e-photoconductive evezwa ekukhanyeni, i-photo...
    Funda kabanzi
  • Amapharamitha ayisisekelo ezici ze-photodetector zesignali yokukhanya

    Amapharamitha ayisisekelo ezici ze-photodetector zesignali yokukhanya

    Amapharamitha ayisisekelo ezici zama-photodetector esignali yokukhanya: Ngaphambi kokuhlola izinhlobo ezahlukene zama-photodetector, amapharamitha ayisisekelo okusebenza kokusebenza kwama-photodetector esignali yokukhanya ayafingqwa. Lezi zici zifaka phakathi ukuphendula, impendulo ye-spectral, ukulingana komsindo...
    Funda kabanzi
  • Isakhiwo semodyuli yokuxhumana kwe-optical sethulwa

    Isakhiwo semodyuli yokuxhumana kwe-optical sethulwa

    Isakhiwo semodyuli yokuxhumana kwe-optical sethulwa ​ Ukuthuthukiswa kobuchwepheshe bokuxhumana kwe-optical kanye nobuchwepheshe bolwazi kuyahambisana, ngakolunye uhlangothi, amadivayisi okuxhumana kwe-optical athembele esakhiweni sokupakisha esinembile ukuze afinyelele umphumela othembekile we-opti...
    Funda kabanzi
  • Ukubaluleka kokufunda okujulile ngezithombe ezibonakalayo

    Ukubaluleka kokufunda okujulile ngezithombe ezibonakalayo

    Ukubaluleka kokufunda okujulile nge-optical imaging Eminyakeni yamuva nje, ukusetshenziswa kokufunda okujulile emkhakheni wokuklama kwe-optical kuye kwadonsela ukunaka okukhulu. Njengoba ukwakheka kwezakhiwo ze-photonics kuba yinto ebalulekile ekwakhiweni kwamadivayisi nezinhlelo ze-optoelectronic, ukufunda okujulile kuletha amathuba amasha...
    Funda kabanzi
  • Ukuqhathaniswa kwezinhlelo zezinto zesekethe ezihlanganisiwe ze-photonic

    Ukuqhathaniswa kwezinhlelo zezinto zesekethe ezihlanganisiwe ze-photonic

    Ukuqhathaniswa kwezinhlelo zezinto zesekethe ezihlanganisiwe ze-photonic Isithombe 1 sibonisa ukuqhathaniswa kwezinhlelo ezimbili zezinto, i-indium Phosphorus (InP) kanye ne-silicon (Si). Ukungatholakali kwe-indium kwenza i-InP ibe yinto ebiza kakhulu kune-Si. Ngenxa yokuthi izifunda ezisekelwe ku-silicon zihilela ukukhula okuncane kwe-epitaxial, isivuno se-si...
    Funda kabanzi