Sabuwar fasaha ta ƙididdigewa ta haɗu da electrons da photons kyauta

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Bayanin adadi, sadarwa da fahimta sun dogara ne akan ƙirƙira da sarrafa ma'amalar ƙididdigewa a cikin ƙarin matakan 'yanci. Masana a duk faɗin duniya suna ƙoƙarin aiwatar da ainihin binciken bincike a cikin fasahar ƙididdiga.

Wani lokaci suna buƙatar ɓangarorin mutum ɗaya, gami da photons masu kaddarorin musamman. Koyaya, samun ɓangarorin ɗaiɗaikun ƙalubale ne kuma yana buƙatar ƙwararrun dabaru. An riga an yi amfani da electrons kyauta a aikace-aikace da yawa don samar da haske, irin su tubes X-ray.

A cikin sabon binciken, masana kimiyya daga EPFL Photonics da Quantum Measurement Laboratory, Max Planck Institute for Multidisciplinary Sciences Göttingen (MPI-NAT) da Jami'ar Göttingen sun nuna sabuwar hanyar samar da photons na rami ta amfani da electrons kyauta, a cikin nau'i biyu. jihohi. Sun ƙirƙiri nau'i-nau'i-nau'i-nau'i na hoto ta hanyar amfani da da'irori na photonic hadedde cikin guntu a cikin na'urar microscope.

A cikin gwaji ɗaya, masana kimiyya sun ƙaddamar da na'urar microscope na lantarki akan haɗaɗɗen guntun hoto. Guntu ta ƙunshi resonator micro-ring da tashoshin fitarwa na fiber optic. Wannan sabuwar dabarar tana amfani da sifofin hoto da aka ƙirƙira a cikin EPFL don watsawa na lantarki microscope (TEM) gwaje-gwajen da aka yi a MPI-NAT.

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Guntu na gani tare da ajiyar haske mai siffar zobe, wanda ake kira microring resonator, da haɗin haɗin fiber optic. Guntu yana da faɗin milimita uku kawai kuma zoben resonator a ƙarshensa yana da radius na milimita 0,114. © Armin Feist / Cibiyar Max Planck don Kimiyyar Dabarun Dabaru

Ana iya samar da photon a duk lokacin da na'urar lantarki ta yi mu'amala da ma'aunin ma'auni na resonator na zobe. Electron yana asarar adadin kuzari na photon guda ɗaya a cikin wannan tsari yayin da yake bin ƙa'idodin kiyaye makamashi da kuzari. Tsarin yana tasowa zuwa yanayi guda biyu sakamakon wannan hulɗar. Daidaitaccen gano makamashin lantarki a lokaci guda da kuma photon da masana kimiyya suka samar, wanda aka yi ta hanyar sabuwar dabarar aunawa, ya bayyana abubuwan da ke cikin na'urorin biyu na lantarki.

Baya ga lura da wannan tsari a karon farko a matakin ɓarna ɗaya, waɗannan binciken suna aiwatar da sabon ra'ayi don samar da photon guda ɗaya ko na lantarki. Musamman, ma'aunin yanayi guda biyu yana ba da damar sanar da tushen barbashi, inda gano kwayar halitta ɗaya ke siginar haɓakar ɗayan. Wannan ya zama dole don aikace-aikace da yawa a cikin fasahar ƙididdigewa kuma yana ba da gudummawa ga haɓakar kayan aikin sa.

Claus Ropers, darektan MPI-NAT, ya ce,

"Hanyar tana buɗe sabbin damammaki masu ban sha'awa a cikin microscope na lantarki. A cikin fagagen ƙididdiga na gani, nau'ikan photon da aka haɗa sun riga sun inganta hoton. Tare da aikinmu, ana iya bincika irin waɗannan ra'ayoyin tare da electrons. "

A cikin gwaji, masana kimiyyar sun yi amfani da na'urorin lantarki masu alaƙa da nau'ikan photon suka samar don samar da hotuna a yanayin hoto. Sun sami damar cimma daidaituwar haɓakar umarni uku na girma.

Dr. Yujia Yang, postdoc a EPFL kuma marubucin marubucin binciken, ya kara da cewa, "Mun yi imanin cewa aikinmu yana da matukar tasiri ga ci gaban microscopy a nan gaba ta hanyar amfani da karfin fasahar kididdigar."

Tobias Kippenberg, farfesa a EPFL kuma shugaban Photonics and Quantum Measurement Laboratory, ya ce,

“Babban ƙalubale ga fasahar ƙididdiga ta gaba shine yadda ake hulɗa da tsarin jiki daban-daban. A karon farko, muna kawo electrons kyauta a cikin akwatin kayan aikin kimiyyar adadi. Fiye da yawa, haɗa nau'ikan lantarki da haske kyauta ta amfani da haɗe-haɗen photonics na iya buɗe hanya don sabon nau'in fasahar ƙididdiga masu yawa."

Binciken zai iya haifar da fitowar filin na'urorin ƙididdiga na lantarki kyauta. Hakanan zai iya nuna ƙaƙƙarfan dandamali na gwaji don tushen abin da ya faru, ƙirar lantarki mai sarrafa photon da hoto.

Guanhao Huang, Ph.D. Dalibin EPFL kuma marubucin marubucin binciken, ya ce: “Ayyukanmu na wakiltar wani muhimmin mataki don amfani da ra'ayoyin ƙididdiga na gani a cikin microscopy na lantarki. Muna shirin bincika wasu kwatance na gaba, irin su manyan jihohin photonic da aka sanar ta hanyar electrons da rage amo a cikin microscopy na lantarki. "

  • Maganar jarida:
    1. Armin Feist, Guanhao Huang, et al. Nau'i-nau'i-nau'i-nau'i-nau'i-nau'i-nauyi na hoto mai tsaka-tsaki. Kimiyya, 377 (6607), 777-780. DOI: 10.1126/kimiyya.abo5037
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