Nhanganyaya kune Edge Emitting Laser (EEL)

Nhanganyaya kune Edge Emitting Laser (EEL)
Kuti uwane yakakwira-simba semiconductor laser kubuda, tekinoroji iripo ndeye kushandisa edge emission chimiro. Iyo resonator ye edge-emitting semiconductor laser inoumbwa neyechisikigo dissociation pamusoro peiyo semiconductor crystal, uye danda rekubuda rinoburitswa kubva kumberi kwelaser.Iyo edge-emission type semiconductor laser inogona kuwana yakakwira simba rekubuda, asi nzvimbo yayo inobuda ndeye elliptical, danda remhando harina kunaka, uye dhizaini dhizaini inoda kuve yakagadziridzwa chimiro.
Dhiagiramu inotevera inoratidza chimiro che edge-emitting semiconductor laser. Iyo optical cavity yeEEL inofanana nepamusoro pe semiconductor chip uye inoburitsa laser kumucheto kweiyo semiconductor chip, iyo inogona kuona iyo laser kubuda nesimba rakakura, kumhanya kwakanyanya uye kuderera ruzha. Nekudaro, iyo laser beam inobuda neEEL kazhinji ine asymmetric beam muchinjiko chikamu uye yakakura angular divergence, uye kubatanidza kushanda zvakanaka nefiber kana zvimwe zvinhu zvemaziso zvakaderera.

Kuwedzera kweEEL kubuda simba kunogumira nemarara kupisa kuunganidza munzvimbo inoshanda uye kukuvadzwa kwemaziso pane semiconductor pamusoro. Nekuwedzera iyo waveguide nzvimbo yekudzikisa kupisa kupisa kuunganidzwa munharaunda inoshanda kuvandudza kupisa kwekupisa, kuwedzera nzvimbo yemwenje yekubuda kuti ideredze optical simba density yedanda kudzivirira kukuvara kwemaziso, simba rekubuda rinosvika mazana akati wandei milliwatts rinogona kuwanikwa mune imwechete transverse mode waveguide chimiro.
Kune iyo 100mm waveguide, imwe chete yekumucheto-emitting laser inogona kuwana makumi emawatts emagetsi ekubuda, asi panguva ino waveguide yakanyanya-multi-modhi pandege yechip, uye iyo inobuda danda reshiyo inosvikawo 100: 1, inoda yakaoma danda kuumbwa system.
Pafungidziro yekuti hapana hutsva hutsva muhunyanzvi hwekuita uye epitaxial kukura tekinoroji, nzira huru yekuvandudza simba rekubuda reimwe semiconductor laser chip ndeyekuwedzera hupamhi hwetambo yenzvimbo inopenya yechip. Nekudaro, kuwedzera hupamhi hwemachira kukwira zvakanyanya kuri nyore kugadzira inochinjika yakakwira-odha modhi oscillation uye filamentlike oscillation, izvo zvinozoderedza zvakanyanya kufanana kwekubuda kwechiedza, uye simba rekubuda hariwedzere zvakaenzana nehupamhi hwetambo, saka simba rekubuda reimwe chip rakanyanya kushomeka. Kuti uvandudze zvakanyanya simba rekubuda, array tekinoroji inovapo. Iyo tekinoroji inosanganisa akawanda laser mayunitsi pane imwecheteyo substrate, kuitira kuti imwe neimwe yemwenje inoburitsa unit inomisikidzwa seye-dimensional array mune inononoka axis kutungamira, chero bedzi tekinoroji yekuzviparadzanisa nevamwe ichishandiswa kupatsanura imwe neimwe yemwenje inoburitsa yuniti muhurongwa, kuti irege kupindirana, ichigadzira yakawanda-aperture lasing, iwe unogona kuwedzera iyo chip simba rinowedzera kubuda kwechiedza chinobuda. Iyi semiconductor laser chip is semiconductor laser array (LDA) chip, inozivikanwawo semiconductor laser bar.