Mkpọchi ugboro ole anya bụ ụdịrị nke mejupụtara usoro nke ihe ndị mejupụtara ugboro ole ha nhata na ụdịrị ahụ, nke enwere ike ịmepụta site na laser, resonators, ma ọ bụndị na-eme ka ihe na-arụ ọrụ elektrọnik rụọ ọrụ. Mkpọmkpọ ugboro anya nke sitere nandị na-eme ka electro-optic modulators dịnwere njirimara nke ugboro ugboro ugboro ugboro ugboro, ime ka nkụ dị n'ime na ike dị elu, wdg, nke a na-ejikarị eme ihe n'ịhazi ngwa, spectroscopy, ma ọ bụ fizik bụ isi, ma dọtakwuo mmasị ndị nchọpụta n'afọ ndị na-adịbeghị anya.
N'oge na-adịbeghị anya, Alexandre Parriaux na ndị ọzọ si Mahadum Burgendi dị na France bipụtara akwụkwọ nyocha na akwụkwọ akụkọ Advances in Optics and Photonics, na-ewebata ọganihu nyocha kachasị ọhụrụ na ojiji nke combs frequency optical nke sitere na ya.nhazi elektrọnik: Ọ gụnyere ntinye nke mbo ugboro ole anya, usoro na njirimara nke mbo ugboro ole anya nke sitere naihe na-eme ka electro-optic modulator dị, ma mechaa kọọ ọnọdụ ngwa nkeihe na-eme ka electro-optic modulator dịN'ụzọ zuru ezu, gụnyere ojiji nke usoro ziri ezi, nnyonye anya abụọ, nhazi ngwa na mmepụta ebili mmiri n'ụzọ na-enweghị usoro, ma na-atụle ụkpụrụ dị n'azụ ngwa dị iche iche. N'ikpeazụ, onye edemede ahụ na-enye atụmanya nke teknụzụ comb optical modulator electro-optic.
01 Ihe ndabere
Ọ bụ afọ iri isii gara aga n'ọnwa a ka Dr. Maiman mepụtara laser ruby mbụ. Afọ anọ ka nke ahụ gasịrị, Hargrove, Fock na Pollack nke Bell Laboratories na United States bụ ndị mbụ kọrọ na mkpọchi ụdị na-arụ ọrụ nke e nwetara na laser helium-neon, a na-anọchite anya ụdị laser mkpọchi ụdị na mpaghara oge dị ka mwepụta pulse, na mpaghara ugboro ole enwere usoro ahịrị dị iche iche na nke dị anya, nke yiri nke anyị na-eji combs kwa ụbọchị, yabụ anyị na-akpọ spectrum a "mkpọmkpọ ugboro anya". A na-akpọ ya "mkpọmkpọ ugboro anya".
N'ihi ezigbo atụmanya nke iji comb anya, e nyere Hansch na Hall ihe nrite Nobel na Fizik na 2005, bụ́ ndị mere ọrụ mbụ na teknụzụ comb anya, kemgbe ahụ, mmepe nke comb anya erutela ọkwa ọhụrụ. Ebe ọ bụ na ngwa dị iche iche nwere ihe dị iche iche achọrọ maka comb anya, dị ka ike, oghere ahịrị na ogologo ebili mmiri etiti, nke a emeela ka ọ dị mkpa iji ụzọ nnwale dị iche iche mepụta comb anya, dị ka comb mode-locked lasers, micro-resonators na electro-optical modulator.
FIG. 1. Ụdị oge na ụdị ugboro ugboro nke mbo ugboro ole anya
Isi mmalite foto: Ngwakọta ugboro ole elektrọnik
Kemgbe achọpụtara combs ugboro ole anya, ọtụtụ combs ugboro ole anya ka ejiri laser eji mode-locked. Na combs mode-locked lasers, a na-eji oghere nwere oge njem gburugburu nke τ edozi mmekọrịta dị n'etiti ụdị longitudinal, iji chọpụta ọnụego ugboro ugboro nke clearance, nke nwere ike ịbụ site na megahertz (MHz) ruo gigahertz (GHz).
Mkpọmkpọ ugboro anya nke micro-resonator mepụtara dabere na mmetụta na-abụghị ahịrị, a na-ekpebikwa oge njem gburugburu site na ogologo obere oghere ahụ, n'ihi na ogologo obere oghere ahụ na-adịkarị obere karịa 1mm, mkọmkpọ ugboro anya nke obere oghere ahụ na-emepụta na-abụkarị 10 gigahertz ruo 1 terahertz. E nwere ụdị obere oghere atọ a na-ahụkarị, obere tubules, obere oghere na obere mgbanaka. Site na iji mmetụta ndị na-abụghị ahịrị na eriri anya, dị ka Brillouin scattering ma ọ bụ ngwakọta ebili mmiri anọ, yana obere oghere, enwere ike ịmepụta mkọmkpọ ugboro anya na ọtụtụ iri nanometers. Na mgbakwunye, enwere ike ịmepụta mkọmkpọ ugboro anya site na iji ụfọdụ modulators acousto-optic.
Oge ozi: Disemba-18-2023