Saxnaanta cabbirka hirarka dhererka wuxuu u socdaa siday u kala horreeyaan kilohertz

Dhawaan laga bartay Jaamacadda Sayniska iyo Teknolojiyadda Shiinaha, Jaamacadda Guo Guangcan kooxda akadeemiyadda Professor Dong Chunhua iyo la-shaqeeye Zou Changling ayaa soo jeediyay habka xakamaynta faafitaanka dalool-yar oo caalami ah, si loo gaaro xakamaynta madaxbannaan ee waqtiga-dhabta ah ee xarunta shanlada indhaha. soo noqnoqoshada iyo soo noqnoqoshada, oo lagu dabaqay cabbirka saxda ah ee hirarka indhaha, saxnaanta cabbirka hirarka ayaa kor u kacay ilaa kilohertz (kHz). Natiijooyinka waxaa lagu daabacay Isgaarsiinta Dabeecadda.
Soliton microcombs oo ku salaysan microcavities indhaha ayaa soo jiitay cilmi baaris weyn oo ku saabsan dhinacyada spectroscopy saxda ah iyo saacadaha indhaha. Si kastaba ha ahaatee, sababtoo ah saameynta deegaanka iyo dhawaaqa laysarka iyo saameynaha dheeraadka ah ee aan tooska ahayn ee microcavity, xasiloonida microcomb soliton ayaa si weyn u xaddidan, taas oo caqabad weyn ku ah codsiga dhabta ah ee shanlada heerka iftiinka hooseeya. Shaqadii hore, saynisyahannadu waxay dejiyeen oo ay xakameeyeen shanlada soo noqnoqda indhaha iyagoo xakameynaya index refractive ee maaddada ama joomatari ee microcavity si loo gaaro jawaab celin-waqtiga dhabta ah, taas oo sababtay isbeddel ku dhow-midab leh dhammaan hababka resonance ee microcavity isku mid ah. waqti, la'aanta awoodda ay si madax-bannaan u xakameeyo inta jeer iyo ku celcelinta shanlada. Tani waxay si weyn u xaddideysaa adeegsiga shanlada iftiinka yar ee muuqaallada la taaban karo ee spectroscopy saxda ah, sawir-qaadista mikrowave, kala duwanaanta indhaha, iwm.

Si loo xalliyo dhibaatadan, kooxda cilmi-baaristu waxay soo jeediyeen hannaan jireed oo cusub si loo xaqiijiyo nidaamka madaxbannaan ee waqtiga-dhabta ah ee inta jeer ee xarunta iyo soo noqnoqda inta jeer ee shanlada soo noqnoqda indhaha. By soo bandhigaya laba hababka xakamaynta kala firidhsan-yar-yar oo kala duwan, kooxda si madax-bannaan u xakamayn kartaa kala firidhsan ee amarada kala duwan ee dalool yar, si ay u gaaraan gacanta buuxa ee soo noqnoqoshada ilig kala duwan ee shanlada inta jeer indhaha. Habkan nidaaminta kala firdhinta ah waa mid caalami ah oo ku saabsan aaladaha photonic ee kala duwan ee isku dhafan sida silicon nitride iyo lithium niobate, kuwaas oo si weyn loo darsay.

Kooxda cilmi-baaristu waxay adeegsadeen laysarka bamgareynta iyo laser-ka-caawinta si ay si madaxbannaan u xakameeyaan hababka bannaan ee amarada kala duwan ee microcavity si ay u ogaadaan xasilloonida la qabsiga ee inta jeer ee habka bamgareynta iyo nidaamka madaxbannaan ee soo noqnoqda shanlada soo noqnoqda. Iyada oo ku saleysan shanlada indhaha, kooxda cilmi-baaristu waxay soo bandhigeen nidaam degdeg ah, nidaamsan oo lagu maamuli karo inta jeer ee shanlada aan sabab lahayn waxayna ku dabaqeen cabbirka saxda ah ee dhererka hirarka, iyagoo muujinaya mawjada cabbirka saxda ah ee nidaamka kilohertz iyo awoodda lagu cabbiro hirarka hirarka badan isku mar. Marka la barbar dhigo natiijooyinkii cilmi-baadhistii hore, saxnaanta cabbirka ee ay gaadheen kooxda cilmi-baadhistu waxa ay gaadhay saddex amar oo horumar ah.

Microcombs-ka soliton-ka ah ee dib-u-habayn karo ee lagu muujiyey natiijada cilmi-baadhistan ayaa aasaas u ah xaqiijinta qiime jaban, jaangooyooyin isku-dhafan oo isku-dhafan, kaas oo lagu dabaqi doono cabbirka saxda ah, saacadda indhaha, spectroscopy iyo isgaarsiinta.