02ihe na-eme ka electro-optic modulator dịnamgbanwe elektrọ-opticngwa anya ugboro mbo
Mmetụta Elektrọnik na-ezo aka na mmetụta nke ihe na-agbanwe mgbe etinyere ubi eletriki. E nwere ụdị mmetụta elektrọnik abụọ bụ isi, otu bụ mmetụta elektrọnik mbụ, nke a makwaara dị ka mmetụta Pokels, nke na-ezo aka na mgbanwe ahịrị nke ihe na-agbanwe agbanwe na ubi eletriki etinyere. Nke ọzọ bụ mmetụta elektrọnik nke abụọ, nke a makwaara dị ka mmetụta Kerr, nke mgbanwe na index refractive nke ihe ahụ dabara na square nke ubi eletriki. Ọtụtụ modulators elektrọnik dabere na mmetụta Pokels. Site na iji modulator elektrọnik, anyị nwere ike ịgbanwe oge nke ìhè merenụ, na dabere na modulation nke oge, site na mgbanwe ụfọdụ, anyị nwekwara ike ịgbanwe ike ma ọ bụ polarization nke ìhè.
E nwere ọtụtụ nhazi oge gboo dị iche iche, dịka egosiri na Foto nke 2. (a), (b) na (c) niile bụ otu nhazi modulator nwere nhazi dị mfe, mana obosara ahịrị nke comb ugboro anya emepụtara na-ejedebe site na bandwit electro-optical. Ọ bụrụ na achọrọ comb ugboro anya nwere ugboro ugboro ugboro dị elu, achọrọ modulators abụọ ma ọ bụ karịa na cascade, dịka egosiri na Foto nke 2(d)(e). Ụdị nhazi ikpeazụ nke na-emepụta comb ugboro anya a na-akpọ electro-optical resonator, nke bụ electro-optical modulator nke etinyere na resonator, ma ọ bụ resonator n'onwe ya nwere ike imepụta mmetụta electro-optical, dịka egosiri na Foto nke 3.
FIG. 2 Ngwaọrụ nnwale dị iche iche maka imepụta combs ugboro ole anya dabere nandị na-eme ka electro-optic modulators dị
FIG. 3 Nhazi nke ọtụtụ oghere elektrọnik
03 Njirimara nke nhazi ugboro ole anya nke electro-optic modulation
Uru otu: mgbanwe
Ebe ọ bụ na isi iyi ọkụ ahụ bụ laser sara mbara nke a na-agbanwe agbanwe, yana ihe na-eme ka electro-optical modulator nwekwara ụfọdụ bandwidth ugboro ọrụ, a na-agbanwekwa ugboro ugboro nke ihe na-eme ka electro-optical modulation comb. Na mgbakwunye na ugboro ugboro a na-agbanwe agbanwe, ebe ọ bụ na mmepụta ebili mmiri nke ihe na-eme ka modulator nwee ike ịgbanwe, ugboro ugboro ugboro nke ihe na-eme ka ọ pụta ìhè nwekwara ike ịgbanwe. Nke a bụ uru nke ihe na-eme ka laser na micro-resonators na-emepụta enweghị.
Uru nke abụọ: ugboro ugboro ugboro ugboro
Ọ bụghị naanị na ọ na-agbanwe agbanwe, kamakwa a pụrụ ime ya na-agbanweghị ngwa nnwale ahụ. Obosara ahịrị nke nhazi ugboro ole eletriki na-agbanwe agbanwe hà nhata na nhazi oge, nhazi oge ole eletriki na-agbanwe agbanwe bụ 40GHz, na nhazi oge ugboro ole eletriki na-agbanwe agbanwe nwere ike ịgafe nhazi oge ugboro ole eletriki nke usoro ndị ọzọ niile mepụtara ma e wezụga obere resonator (nke nwere ike iru 100GHz).
Uru nke 3: nhazi spectral
Ma e jiri ya tụnyere mbo anya nke e si n'ụzọ ndị ọzọ emepụta, a na-ekpebi ọdịdị diski anya nke mbo anya elektrọ-optic modulated site na ọtụtụ ogo nnwere onwe, dị ka mgbaàmà redio frequency, bias voltaji, incident polarization, wdg, nke enwere ike iji chịkwaa ike nke mbo dị iche iche iji mezuo ebumnuche nke nhazi spectral.
04 Ojiji nke mbo ugboro ole na ole nke modulator electro-optic
N'iji ngwa ngwa nke electro-optic modulator frequency comb, enwere ike kewaa ya n'ime otu na okpukpu abụọ comb spectra. Oghere ahịrị nke otu comb spectrum dị warara nke ukwuu, yabụ enwere ike nweta izi ezi dị elu. N'otu oge ahụ, ma e jiri ya tụnyere comb frequency optical nke laser a kpọchiri akpọchi mepụtara, ngwaọrụ nke electro-optic modulator frequency comb dị obere ma dịkwa mma ịgbanwe. A na-emepụta comb spectrometer abụọ site na nnyonye anya nke combs abụọ nwere obere ugboro ugboro ugboro, ihe dị iche na ugboro ugboro ugboro bụ oghere ahịrị nke comb nnyonye anya ọhụrụ. Enwere ike iji teknụzụ comb frequency comb na onyonyo anya, nha nha ọkpụrụkpụ, nhazi ngwa, nhazi spectrum waveform na-enweghị usoro, photonics redio frequency, nkwukọrịta dịpụrụ adịpụ, stealth optical na ndị ọzọ.
FIG. 4. Ọnọdụ ojiji nke mbo ugboro ole anya: Site n'ịtụle profaịlụ mgbọ dị elu dị ka ihe atụ.
Oge ozi: Disemba-19-2023