Ọganihu ndị a na-enwe n'oge na-adịbeghị anya na usoro mmepụta laser na nchọpụta laser ọhụrụ

Ọganihu ndị ọhụrụ na usoro mmepụta laser na ihe ọhụrụnnyocha laser
N'oge na-adịbeghị anya, otu nnyocha nke Prọfesọ Zhang Huaijin na Prọfesọ Yu Haohai nke State Key Laboratory nke Crystal Materials nke Mahadum Shandong na Prọfesọ Chen Yanfeng na Prọfesọ He Cheng nke State Key Laboratory nke Solid Microstructure Physics nke Mahadum Nanjing arụkọla ọrụ ọnụ iji dozie nsogbu ahụ ma tụọ aro usoro mmepụta laser nke phoon-phonon cooperation pumping, ma were kristal laser Nd:YVO4 ọdịnala dị ka ihe nnọchite anya nyocha. A na-enweta mmepụta laser dị elu nke superfluorescence site na imebi oke ọkwa ike electron, a na-ekpughekwa mmekọrịta anụ ahụ dị n'etiti oke mmepụta laser na okpomọkụ (nọmba phonon nwere njikọ chiri anya), ụdị ngosipụta ahụ bụkwa otu ihe ahụ dị ka iwu Curie. E bipụtara ọmụmụ ihe a na Nature Communications (doi:10.1038/ S41467-023-433959-9) n'aha "Photon-phonon jikọtara ọnụ na-akụ laser". Yu Fu na Fei Liang, nwa akwụkwọ PhD nke Klas 2020, State Key Laboratory of Crystal Materials, Mahadum Shandong, bụ ndị mbụ dere akwụkwọ, Cheng He, State Key Laboratory of Solid Microstructure Physics, Mahadum Nanjing, bụ onye edemede nke abụọ, na Prọfesọ Yu Haohai na Huaijin Zhang, Mahadum Shandong, na Yanfeng Chen, Mahadum Nanjing, bụ ndị edemede na-arụkọ ọrụ ọnụ.
Kemgbe Einstein tụpụtara ozizi radieshon nke ọkụ na narị afọ gara aga, usoro laser apụtala nke ọma, na 1960, Maiman mepụtara laser siri ike nke mbụ a na-agbapụta n'optic. N'oge mmepụta laser, ezumike okpomọkụ bụ ihe dị mkpa na-eso mmepụta laser, nke na-emetụta arụmọrụ laser na ike laser dị. A na-ewere ezumike okpomọkụ na mmetụta okpomọkụ dị ka ihe ndị bụ isi na-emerụ ahụ na usoro laser, nke a ga-ebelata site na teknụzụ nnyefe okpomọkụ na friji dị iche iche. Ya mere, a na-ewere akụkọ ihe mere eme nke mmepe laser dị ka akụkọ ihe mere eme nke mgba na okpomọkụ mkpofu.

Nchịkọta echiche nke laser mgbapụta photon-phonon cooperative

Ndị otu nnyocha ahụ anọwo na-eme nnyocha ihe anya laser na nke na-abụghị nke linear, n'afọ ndị na-adịbeghị anya, a ghọtala usoro ntụrụndụ okpomọkụ nke ọma site n'echiche nke physics steeti siri ike. Dabere na echiche bụ isi na okpomọkụ (okpomọkụ) dị na phonon microcosmic, a na-ewere ya na ntụrụndụ okpomọkụ n'onwe ya bụ usoro quantum nke njikọ electron-phonon, nke nwere ike ime ka quantum hazie ọkwa ike electron site na imewe laser kwesịrị ekwesị, ma nweta ọwa mgbanwe electron ọhụrụ iji mepụta ogologo ebili mmiri ọhụrụ.laserDabere na echiche a, a na-atụ aro ụkpụrụ ọhụrụ nke mmepụta laser nkwado electron-phonon, a na-enwetakwa iwu mgbanwe electron n'okpuru njikọ electron-phonon site na iji Nd:YVO4, kristal laser bụ isi, dị ka ihe nnọchite anya. N'otu oge ahụ, a na-ewu laser nkwado photon-phonon nke a na-anaghị ajụ oyi, nke na-eji teknụzụ mgbapụta laser diode ọdịnala. E mepụtara laser nwere ogologo oge dị ụkọ 1168nm na 1176nm. Dabere na nke a, dabere na ụkpụrụ bụ isi nke mmepụta laser na njikọ electron-phonon, achọpụtara na ngwaahịa nke oke mmepụta laser na okpomọkụ bụ ihe na-agbanwe agbanwe, nke bụ otu ihe ahụ dị ka ngosipụta nke iwu Curie na magnetism, ma na-egosipụtakwa iwu anụ ahụ bụ isi na usoro mgbanwe usoro na-adịghị mma.

Mmezu nnwale nke photon-phonon cooperativelaser mgbapụta

Ọrụ a na-enye echiche ọhụrụ maka nyocha kachasị ọhụrụ na usoro mmepụta laser,fiziki laser, na laser ike dị elu, na-egosi akụkụ imewe ọhụrụ maka teknụzụ mgbasa ogologo laser na nchọpụta kristal laser, ma nwee ike iweta echiche nyocha ọhụrụ maka mmepe nkeihe onyonyo kwantum, ọgwụ laser, ihe ngosi laser na mpaghara ngwa ndị ọzọ metụtara ya.