02mochine oa motlakase oa motlakaseleelectro-optic modulationoptical frequency comb
Electro-optical effect e bolela phello eo index ea refractive ea thepa e fetohang ha ho sebelisoa sebaka sa motlakase. Ho na le mefuta e 'meli ea mantlha ea phello ea electro-optical, e' ngoe ke phello ea mantlha ea electro-optical, e tsejoang hape ka hore ke Pokels effect, e bolelang phetoho e fapaneng ea index ea refractive ea thepa le sebaka sa motlakase se sebelisitsoeng. E 'ngoe ke phello ea bobeli ea electro-optical, e tsejoang hape e le Kerr effect, moo phetoho ea index ea refractive ea thepa e lekanang le lisekoere tsa tšimo ea motlakase. Boholo ba li-modulators tsa electro-optical li thehiloe ho phello ea Pokels. Re sebelisa motlakase oa motlakase oa motlakase, re ka fetola mohato oa leseli la ketsahalo, 'me motheong oa ho feto-fetoha ha mekhahlelo, ka phetoho e itseng, re ka boela ra fetola matla kapa polarization ea leseli.
Ho na le mefuta e mengata e fapaneng ea libopeho tsa khale, joalo ka ha ho bonts'itsoe ho Setšoantšo sa 2. (a), (b) le (c) kaofela ke meaho e le 'ngoe ea modulator e nang le sebopeho se bonolo, empa bophara ba mohala oa motsoako o hlahisoang oa optical frequency o lekanyelitsoe ke electro-optical. bandwidth. Haeba ho hlokahala kama e nang le makhetlo a mangata a pheta-phetoang, ho hlokahala li-modulator tse peli kapa ho feta ka har'a cascade, joalo ka ha ho bonts'itsoe ho Setšoantšo sa 2(d)(e). Mofuta oa ho qetela oa sebopeho o hlahisang komporo ea maqhubu a optical o bitsoa electro-optical resonator, e leng electro-optical modulator e behiloeng ka har'a resonator, kapa resonator ka boeona e ka hlahisa phello ea electro-optical, joalo ka ha ho bonts'itsoe ho Setšoantšo sa 3.
FEIE. 2 Lisebelisoa tse 'maloa tsa liteko tsa ho etsa li-optical frequency combs li ipapisitse leli-modulators tsa electro-optic
FEIE. 3 Mehaho ea likoti tse 'maloa tsa electro-optical
03 Electro-optic modulation optical frequency comb litšobotsi
Monyetla oa pele: ho tsitsa
Kaha mohloli oa leseli ke laser e pharaletseng e pharaletseng, 'me modulator ea electro-optical e boetse e na le "bandwidth" e itseng ea ts'ebetso, electro-optical modulation optical frequency comb le eona e ka sebelisoa khafetsa. Ntle le maqhubu a ts'oaroang, kaha tlhahiso ea waveform ea modulator e ka khonahala, ho pheta-pheta khafetsa ha komporo ea maqhubu a optical le eona e ka sebelisoa. Ona ke monyetla oo li-combs tsa optical frequency tse hlahisoang ke li-lasers tse notletsoeng ka mokhoa o notletsoeng le li-micro-resonator ha li na.
Molemo oa bobeli: ho pheta-pheta khafetsa
Lebelo la ho pheta-pheta ha le fetohe feela, empa hape le ka finyelloa ntle le ho fetola lisebelisoa tsa liteko. Bophara ba mohala oa "electro-optic modulation optical frequency comb" bo batla bo lekana le bandwidth ea modulation, bandwidth e akaretsang ea khoebo ea electro-optic modulator ke 40GHz, 'me maqhubu a phetisetso a maqhubu a electro-optic optical frequency a ka feta bandwidth ea optical frequency comb e hlahisitsoeng. ka mekhoa e meng kaofela ntle le micro resonator (e ka fihlang 100GHz).
Molemo oa 3: sebopeho sa spectral
Ha ho bapisoa le khekhe ea optical e hlahisoang ka litsela tse ling, sebopeho sa optical disc sa electro-optic modulated optical comb se khethoa ke likhato tse ngata tsa tokoloho, joalo ka lets'oao la maqhubu a seea-le-moea, bias voltage, ketsahalo ea polarization, joalo-joalo, e ka bang teng. se sebedisoang ho laola boima ba mameno a fapaneng ho fihlela sepheo sa sebopeho sa spectral.
04 Tšebeliso ea electro-optic modulator optical frequency comb
Ts'ebelisong e sebetsang ea electro-optic modulator optical frequency comb, e ka aroloa ka sebopeho se le seng le se habeli. Karohano ea mela ea spectrum e le 'ngoe e patisane haholo, kahoo ho ka fihleloa ho nepahala ho phahameng. Ka nako e ts'oanang, ha ho bapisoa le khekhe ea maqhubu a optical e hlahisoang ke laser e notletsoeng, sesebelisoa sa electro-optic modulator optical frequency comb se nyane ebile se ka sebelisoa hamolemo. Mehato e habeli ea comb spectrometer e hlahisoa ke tšitiso ea likama tse peli tse momahaneng tse nang le maqhubu a pheta-phetoang a fapaneng hanyane, 'me phapang ea ho pheta-pheta khafetsa ke sebaka sa mela ea spectrum e ncha ea tšitiso. Theknoloji ea optical frequency comb e ka sebelisoa litšoantšong tsa optical, ho tloha, ho lekanya botenya, ho lekanya lisebelisoa, sebopeho sa maqhubu a maqhubu a maqhubu, li-photonics tsa radio frequency, puisano e hole, optical stealth joalo-joalo.
FEIE. 4 Boemo ba ts'ebeliso ea sekama sa maqhubu a optical: Ho nka tekanyo ea profil ea lebelo le phahameng joalo ka mohlala.
Nako ea poso: Dec-19-2023