Eo modulatorUsoro: Ọsọ dị elu, obere voltaji, obere obere lithium niobate obere ngwaọrụ njikwa polarization fim dị gịrịgịrị
Ebili mmiri dị n'ime oghere efu (yana ebili mmiri elektrọnik nke ugboro ole ndị ọzọ) bụ ebili mmiri shear, ebe ntụnyere nke ala eletriki na magnetik ya nwere ọtụtụ ntụnyere enwere ike na ngalaba obe nke kwụ ọtọ na ntụziaka nke mgbasa, nke bụ ihe onwunwe nke polarization nke ìhè. Polarization nwere uru dị mkpa n'ọrụ n'ọhịa nke nkwukọrịta anya dị n'otu, nchọpụta ụlọ ọrụ mmepụta ihe, ọgwụ biomedicine, nchọpụta anya ụwa, ndị agha ọgbara ọhụrụ, ụgbọelu na oké osimiri.
N'okike, iji mee ka ọ ka mma ịnyagharị, ọtụtụ ihe ndị dị ndụ emepụtala usoro anya nke nwere ike ịmata ọdịiche dị n'etiti polarization nke ìhè. Dịka ọmụmaatụ, aṅụ nwere anya ise (anya atọ, anya abụọ mejupụtara), nke ọ bụla nwere obere anya 6,300, nke na-enyere aṅụ aka inweta maapụ nke polarization nke ìhè n'akụkụ niile dị n'eluigwe. Anụ ahụ nwere ike iji maapụ polarization chọta ma duga ụdị nke ya n'ebe okooko osisi ọ hụrụ dị. Ụmụ mmadụ enweghị akụkụ ahụ dị ka aṅụ iji ghọta polarization nke ìhè, ha kwesịkwara iji ngwa arụrụ arụ iji ghọta ma jikwaa polarization nke ìhè. Ihe atụ a na-ahụkarị bụ iji iko polarizing mee ka ìhè si n'ihe onyonyo dị iche iche gaa n'anya aka ekpe na aka nri na polarizations perpendicular, nke bụ ụkpụrụ nke ihe nkiri 3D na sinima.
Mmepe nke ngwaọrụ njikwa polarization optical arụmọrụ dị elu bụ isi ihe dị mkpa iji mepụta teknụzụ ngwa ọkụ polarized. Ngwaọrụ njikwa polarization nkịtị gụnyere ihe na-emepụta steeti polarization, scrambler, polarization analyzer, polarization controller, wdg. N'afọ ndị na-adịbeghị anya, teknụzụ njikwa polarization optical na-eme ka ọganihu dịkwuo ngwa ngwa ma na-ejikọta nke ọma n'ọtụtụ ebe na-apụta ìhè nke dị oke mkpa.
Ịnarankwukọrịta anyadịka ọmụmaatụ, nke ọchịchọ maka nnukwu nnyefe data na ebe data na-akwalite, nke nwere njikọ ogologo ogengwa anyaTeknụzụ nkwukọrịta na-agbasa nwayọ nwayọ gaa na ngwa njikọ dị mkpụmkpụ nke na-enwe mmetụta dị ukwuu na ọnụ ahịa na oriri ike, ojiji nke teknụzụ njikwa polarization nwere ike ibelata ọnụ ahịa na oriri ike nke sistemụ nkwukọrịta optical dị mkpụmkpụ. Agbanyeghị, ugbu a, njikwa polarization bụ isi ihe na-eme site na akụkụ anya dị iche iche, nke na-egbochi mmezi arụmọrụ na mbelata ọnụ ahịa nke ukwuu. Site na mmepe ngwa ngwa nke teknụzụ njikọta optoelectronic, njikọta na chip bụ usoro dị mkpa na mmepe nke ngwaọrụ njikwa polarization optical n'ọdịnihu.
Agbanyeghị, ndị na-eduzi waveguides nke e ji kristal lithium niobate ọdịnala mee nwere ọghọm nke obere ọdịiche nke refractive index na ikike njikọ oghere optical adịghị ike. N'otu aka, nha ngwaọrụ ahụ buru ibu, ọ na-esikwa ike izute mkpa mmepe nke njikọta. N'aka nke ọzọ, mmekọrịta electrooptical adịghị ike, voltaji na-anya nke ngwaọrụ ahụ dịkwa elu.
N'afọ adịbeghị anya,ngwaọrụ photonicdabere na ihe nkiri dị gịrịgịrị nke lithium niobate emeela ọganihu akụkọ ihe mere eme, na-enweta ọsọ dị elu na obere voltaji ịnya ụgbọ ala karịa nke ọdịnala.ngwaọrụ lithium niobate photonic, ya mere ụlọ ọrụ ahụ na-enwe mmasị na ha. N'ime nnyocha e mere n'oge na-adịbeghị anya, a na-ahụ mgbawa njikwa polarization optical integrated na ikpo okwu lithium niobate thin film photonic integration, gụnyere ihe na-emepụta polarization, scrambler, polarization analyzer, polarization controller na ọrụ ndị ọzọ dị mkpa. Isi paramita nke chips ndị a, dị ka ọsọ mmepụta polarization, polarization extinction ratio, polarization perturbation speed, na measurement speed, setịpụla ndekọ ụwa ọhụrụ, ma gosipụta arụmọrụ dị mma na ọsọ dị elu, ọnụ ala dị ala, enweghị mfu parasitic modulation, na obere voltaji draịva. Nsonaazụ nyocha ahụ maka oge mbụ na-emezu usoro arụmọrụ dị elu.lithium niobateNgwa njikwa polarization nke ihe nkiri dị gịrịgịrị, nke mejupụtara nkeji abụọ bụ isi: 1. Polarization rotation/splitter, 2. Mach-zindel interferometer (nkọwa >), dịka egosiri na Foto 1.
Oge ozi: Disemba-26-2023