02electrooptic modulatornaelectro optic modulationngwa anya ugboro comb
Mmetụta electro-optical na-ezo aka na mmetụta na ntugharị refractive nke ihe na-agbanwe mgbe a na-etinye ọkụ eletrik. E nwere isi ihe abụọ dị iche iche nke electro-optical mmetụta, otu bụ isi electro-optical mmetụta, makwaara dị ka Pokels mmetụta, nke na-ezo aka linear mgbanwe nke ihe refractive index na etinyere ọkụ eletrik. Nke ọzọ bụ mmetụta eletrọ-optical nke abụọ, nke a makwaara dị ka mmetụta Kerr, nke mgbanwe mgbanwe nke ihe ngbanwe nke ihe dị na square nke eletrik eletrik. Ọtụtụ ndị modul eletrọ-optical dabere na mmetụta Pokels. N'iji modulator electro-optic, anyị nwere ike gbanwee akụkụ nke ìhè ihe ahụ merenụ, na ndabere nke usoro nhazi usoro, site na mgbanwe ụfọdụ, anyị nwekwara ike gbanwee ike ma ọ bụ polarization nke ìhè.
E nwere ọtụtụ dị iche iche oge gboo owuwu, dị ka e gosiri na Figure 2. (a), (b) na (c) niile otu modulator owuwu na mfe Ọdịdị, ma akara obosara nke eme ngwa anya ugboro mbo na-ejedebeghị site electro-optical. bandwit. Ọ bụrụ na achọrọ comb ngwa anya nwere ugboro ugboro ugboro ugboro, a ga-achọrọ modulators abụọ ma ọ bụ karịa na cascade, dịka egosiri na eserese 2(d)(e). A na-akpọ ụdị usoro ikpeazụ nke na-ewepụta mbo ngwa anya eletrọ-optical resonator, nke bụ eletrọ-optical modulator etinyere na resonator, ma ọ bụ resonator n'onwe ya nwere ike imepụta mmetụta electro-optical, dị ka egosiri na eserese 3.
FIG. 2 Ọtụtụ ngwaọrụ nnwale maka ịmepụta combs ugboro anya dabere naelectrooptic modulators
FIG. 3 Ọdịdị nke ọtụtụ oghere electro-optical cavities
03 Electro-optic modulation ngwa anya ugboro comb àgwà
Uru otu: tunability
Ebe ọ bụ na isi iyi ọkụ bụ laser obosara dị iche iche na-emegharị emegharị, na electro-optical modulator nwekwara ụfọdụ bandwit na-arụ ọrụ, igwe elekere anya eletrọnịkị na-emegharị ugboro ugboro. Na mgbakwunye na nke a na-emegharị ugboro ugboro, ebe ọ bụ na ọgbọ na-efegharị efegharị nke modulator bụ nke a na-emegharị, ugboro ugboro nke mbo ngwa anya na-esi na ya pụta bụkwa nke a na-emegharị. Nke a bụ uru na combs ngwa anya ugboro nke lasers kpochiri ọnọdụ na micro-resonators enweghị.
Uru abụọ: ugboro ugboro ugboro ugboro
Ọnụ ọgụgụ nkwughachi abụghị naanị mgbanwe, kamakwa enwere ike nweta ya na-enweghị ịgbanwe ngwa nnwale. The akara obosara nke electro-optic modulation ngwa anya ugboro comb bụ Olee ihe enyemaka hà na modulation bandwit, izugbe azụmahịa electro-optic modulator bandwit bụ 40GHz, na electro optic modulation ngwa anya ugboro comb ugboro ugboro nwere ike gafere ngwa anya ugboro comb bandwit eme. site na ụzọ ndị ọzọ niile ma e wezụga micro resonator (nke nwere ike iru 100GHz).
Uru 3: n'ụdị ụdị
E jiri ya tụnyere mbo ngwa anya nke ụzọ ndị ọzọ na-emepụta, a na-ekpebi ụdị diski ngwa anya nke electro-optic modulated optical comb site na ọtụtụ ogo nnwere onwe, dị ka mgbama redio ugboro ugboro, voltaji na-adịghị mma, polarization merenụ, wdg, nke nwere ike ịbụ. eji chịkwaa ike nke combs dị iche iche iji nweta ebumnuche nke ịkpụzi ụdị.
04 Ngwa nke eletrọ-optic modulator ngwa anya ugboro mbo
Na ngwa bara uru nke electro-optic modulator optical frequency comb, enwere ike kewaa ya ka ọ bụrụ otu na ụdị ụdị dị iche iche. Oghere ahịrị nke otu ụdị ụdịdị dị warara dị warara, yabụ enwere ike nweta izi ezi dị elu. N'otu oge ahụ, ma e jiri ya tụnyere mbo ngwa anya ugboro nke laser akpọchiri mode, ngwaọrụ eletrọ-optic modulator ngwa anya ugboro mbo dị nta ma ka mma. A na-emepụta spectrometer comb abụọ site na nnyonye anya nke otu combs abụọ na-arụkọ ọrụ ọnụ nwere obere ugboro ugboro dị iche iche, na ọdịiche dị na ugboro ugboro ugboro bụ oghere ahịrị nke ụdị nnyonye anya ọhụrụ. Enwere ike iji teknụzụ comb ngwa anya na onyonyo anya, nha, nha nha nha, nhazi ngwa ngwa, nhazi ụdịdị dị iche iche na-efegharị efegharị, foto ugboro redio, nzikọrịta ozi dịpụrụ adịpụ, stealth ngwa anya na ihe ndị ọzọ.
FIG. 4 Ngwa nke ngwa nke combo ugboro anya: Na-atụle profaịlụ mgbọ dị elu dị ka ọmụmaatụ.
Oge nzipu: Dec-19-2023