Kōwhiringa o te pai rawa atupūtake laser: te taiaho haurua-whakaputa taha
1. Kupu Whakataki
Reera hiko-hauruaE ai ki ngā tukanga hanga rerekē o ngā resonators, ka wehea ngā maramara ki ngā maramara taiaho whakaputa taha (EEL) me ngā maramara taiaho whakaputa mata kōhao poutū (VCSEL), ā, ko ō rātou rerekētanga hanganga motuhake e whakaatuhia ana i te Pikitia 1. Ki te whakatauritea ki te taiaho whakaputa mata kōhao poutū, kua pakari ake te whanaketanga o te hangarau taiaho haurua whakaputa taha, he whānui te whānuitanga o ngā roangaru, he teitei te...hiko-whatuHe pai te hurihanga, he nui te mana me ētahi atu painga, he tino pai mō te tukatuka taiaho, te whakawhitiwhiti kōrero whatu me ētahi atu mara. I tēnei wā, he wāhanga nui ngā taiaho haurua-whakaputa taha o te umanga hikohiko optoelectronics, ā, kua kapi ā rātou tono i te umanga, te whakawhitiwhiti kōrero, te pūtaiao, te kaihoko, te ope taua me te rererangi. I te whanaketanga me te ahunga whakamua o te hangarau, kua tino pai ake te kaha, te pono me te pai o te hurihanga pūngao o ngā taiaho haurua-whakaputa taha, ā, kua whānui haere ngā tūmanakohanga tono.
Muri iho, ka ārahi ahau i a koe ki te maioha ki te ataahua ahurei o te tuku-tahangā taiaho haurua-ira.
Pikitia 1 (maui) te taha o te rēseri haurua-whakaputa me te (matau) te hoahoa hanganga rēseri mata kōhao poutū
2. Te mātāpono mahi o te haurua whakawhiti taharēseri
Ka taea te wehewehe i te hanganga o te rēhia haurua-whakaputa taha ki ngā wāhanga e toru e whai ake nei: te rohe hohe haurua-whakaputa, te pūtake papu me te kaiwhakaoho whatu. He rerekē i ngā kaiwhakaoho o ngā rēhia haurua-whakaputa mata kōhao poutū (e titoa ana i ngā whakaata Bragg o runga me raro), ko ngā kaiwhakaoho i roto i ngā taputapu rēhia haurua-whakaputa taha he mea titoa te nuinga o ngā kiriata whatu i ngā taha e rua. Ko te hanganga taputapu EEL me te hanganga kaiwhakaoho noa e whakaaturia ana i te Pikitia 2. Ka whakanuia te photon i roto i te taputapu rēhia haurua-whakaputa taha e te kōwhiringa aratau i roto i te kaiwhakaoho, ā, ka hangaia te rēhia i te ahunga whakarara ki te mata o te papa. He whānuitia ngā roangaru whakahaere o ngā taputapu rēhia haurua-whakaputa taha, ā, he pai mō ngā tono mahi maha, nō reira ka noho ko rātou tētahi o ngā pūtake rēhia tino pai.
He rite tonu ngā tātaitai aromatawai mahi o ngā taiaho hiko-whakawhiti taha ki ētahi atu taiaho hiko-whakawhiti, tae atu ki: (1) te roangaru taiaho hiko; (2) Te au paepae Ith, arā, te au e tīmata ai te taiaho hiko ki te whakaputa i te wiri taiaho; (3) Te au mahi Iop, arā, te au taraiwa ina tae te taiaho hiko ki te mana putanga kua whakatauria, ka whakamahia tēnei tawhā ki te hoahoa me te whakarerekētanga o te ara iahiko taraiwa taiaho; (4) Te pai o te pari; (5) Te koki rerekētanga poutū θ⊥; (6) Te koki rerekētanga whakapae θ∥; (7) Te aroturuki i te au Im, arā, te rahi o te au o te maramara taiaho hiko-whakawhiti i te mana putanga kua whakatauria.
3. Te ahunga whakamua o te rangahau i ngā taiaho haurua-whakaputa taha e ahu mai ana i te GaAs me te GaN
Ko te taiaho haurua-irahiko e ahu mai ana i te rauemi haurua-irahiko GaAs tētahi o ngā hangarau taiaho haurua-irahiko tino pakari. I tēnei wā, kua whānuitia te whakamahinga arumoni o ngā taiaho haurua-irahiko tata-infrared (760-1060 nm) e ahu mai ana i te GAAS. Hei rauemi haurua-irahiko tuatoru o te whakatupuranga i muri i te Si me te GaAs, kua whānuitia te aro o te GaN ki te rangahau pūtaiao me te ahumahi nā te mea he pai rawa atu ōna āhuatanga ā-tinana me te matū. Nā te whanaketanga o ngā taputapu optoelectronic e ahu mai ana i te GAN me ngā mahi a ngā kairangahau, kua ahumahihia ngā diode rama-irahiko me ngā taiaho-irahiko e ahu mai ana i te GAN.
Wā tuku: Hanuere-16-2024