Te hoahoa ara whatu o te tapawhālasers pupuhi
Tirohanga o te hoahoa ara Optical
He aratau hāngū-rakaa rua-roangaru dissipative soliton resonant thulium-doped muka taiaho i runga i te hanganga whakaata mowhiti muka kore.
2. Whakaahuatanga ara whatu
Ko te roangaru-rua-a-te-a-te-a-te-a-te-a-te-a-taaruataiaho mukaka mau i te hoahoa hanganga kohanga “8″ te ahua (Whakaahua 1).
Ko te taha maui ko te riipene kotahitanga matua, ko te taha matau he hanganga whakaata whatu whatu whatu kore. Kei roto i te porowhita kotahi te taha maui he wehenga paihere, he 2.7m thulium-doped muka whatu (SM-TDF-10P130-HE), me te 2 μm roopu muka whatu hononga me te whakarea hononga o 90:10. Kotahi Polarization-dependent Isolator (PDI), e rua Polarization Controllers (Polarization controllers: PC), he 0.41m Polarization-maintenance Fiber (PMF). Ko te hangahanga whakaata whakakai muka whatu kore i te taha matau ka tutuki ma te hono i te rama mai i te taha maui ki te taha maui ki te whakaata whakakai muka whatu kore i te taha matau na roto i te hangahanga 2×2 whakakai whatu me te whakarea o te 90:10. Ko te hanganga whakaata mowhiti muka whatu kore raina kei te taha matau ko te muka whatu 75-mita-roa (SMF-28e) me te kaiwhakahaere polarization. Ka whakamahia te muka whatu aratau kotahi 75 mita ki te whakarei ake i te awenga kore. I konei, ka whakamahia he 90:10 muka whatu hei whakanui ake i te rereketanga o te wahanga kore-raina i waenga i te karaka me te whakatö-a-karaka. Ko te roa katoa o tenei hanganga ngaru-rua he 89.5 mita. I roto i tenei tatūnga whakamatautau, ka haere tuatahi te rama papu ki roto i te whakakotahi kurupae kia tae atu ki te muka whatu thulium-doped medium. I muri mai i te muka whatu thulium-doped, ka honoa he hononga 90:10 ki te huri i te 90% o te kaha ki roto i te rua ka tukuna te 10% o te kaha ki waho o te rua. I te wa ano, ko te tātari Lyot birefringent he mea tito he muka whatu e pupuri ana i te polarization kei waenga i nga kaiwhakahaere polarization e rua me te polarizer, e whai waahi ana ki te tarai i nga roangaru hikaka.
3. Te matauranga o muri
I tenei wa, e rua nga tikanga taketake mo te whakanui ake i te kaha o te pupuhi o nga laser pupuhi. Ko tetahi huarahi ko te whakaheke tika i nga paanga kore, tae atu ki te whakaheke i te kaha o te tihi o nga pini na roto i nga tikanga rereke, penei i te whakamahi i te whakahaere whakamararatanga mo nga pini totoro, nga oscillators chirped nui, me nga lasers pupuhi-waahi, me etahi atu. Ko te tikanga kua whakahuahia ake nei ka taea te whakanui i te kaha o te pupuhi o tetaiaho pupuhiki te tekau o nanojoules. Ko te resonance soliton dissipative (Dissipative soliton resonance: DSR) he tikanga hanga whakapoipoi tapawha tapawha i whakaarohia tuatahi e N. Akhmediev et al. i te tau 2008. Ko te ahuatanga o nga putere resonance soliton ko te, i te wa e mau tonu ana te kaha kaha, ka piki ake te whanui o te puihi me te kaha o te ngaru-kore e wehe ana i te porowhita tapawha ka piki ki te pikinga o te mana papu. Ko tenei, ki tetahi waahanga, ka pakaru i te herenga o te ariā soliton tuku iho mo te hiko-kotahi. Ka taea te tutuki i te resonance soliton dissipative ma te hanga i te urunga kukū me te whakamuri i te urunga kukū, penei i te awenga hurihanga polarization kore-raina (NPR) me te awe whakaata whakakai muka korererangi (NOLM). Ko te nuinga o nga purongo e pa ana ki te whakangao i nga putere resonance soliton i runga i enei tikanga aratau e rua.
Te wa tuku: Oketopa-09-2025