Mukutsvaga nekuvandudza hutsva hutsva hwefiber technologies, SDM space division multiplexing yakwezva pfungwa huru.Pane mazano maviri makuru ekushandiswa kweSDM mumagetsi optical: core division multiplexing (CDM), iyo kutumirwa kunoitwa kuburikidza nepakati pe-multi-core optical fiber. Kana Mode Division Multiplexing (MDM), iyo inofambisa kuburikidza nemafambisirwo emamodhi mashoma-modhi kana akawanda-modhi fiber.
Core Division Multiplexing (CDM) fiber iri musimboti yakavakirwa pakushandiswa kwezvirongwa zviviri zvikuru.
Yekutanga yakavakirwa pakushandiswa kwema-single-core fiber bundles (fibre ribhoni), umo mafiber anoenderana-single-modhi akakomberedzwa pamwechete kuti aumbe faibha bundles kana maribhoni anogona kupa anosvika mazana emazana ezvibatanidza.
Yechipiri sarudzo yakavakirwa pakufambisa dhata pamusoro pechinhu chimwe chete (modhi imwechete pamusimboti) yakamisikidzwa mune imwechete fibre, kureva muMCF multicore fiber. Nheyo yega yega inobatwa senzira imwe yakaparadzana.
MDM (Module Division Multiplexing) fiber inoreva kutapurirana kwedata pamusoro pemhando dzakasiyana dze optical fiber, imwe neimwe inogona kutariswa senzira yakaparadzana.
Mhando mbiri dzakajairika dzeMDM ndeye multimode fiber (MMF) uye fractional mode fiber (FMF). Musiyano mukuru pakati pezviviri izvi nhamba yemamodhi (anowanikwa chiteshi). Sezvo MMFs inogona kutsigira nhamba huru yemamodhi (makumi emamodhi), intermodal crosstalk uye differential mode boka kunonoka (DMGD) inova yakakosha.
Kune zvakare photonic crystal fiber (PCF) iyo inogona kunzi ndeyemhando iyi. Inobva pane zvinhu zve photonic crystals, iyo inovhara chiedza kuburikidza ne bandgap effect uye inotumira iyo uchishandisa maburi emhepo mumuchinjikwa wayo.PCF inonyanya kugadzirwa nezvinhu zvakadai seSiO2, As2S3, nezvimwewo, uye maburi emhepo anotangwa munzvimbo yakapoteredza nheyo kuitira kuti uchinje kusiyana kweiyo refractive index pakati pepakati nepakati.
CDM fiber inogona kurondedzerwa sekuwedzera kweparalllel single-mode fiber cores inotakura ruzivo, yakavharidzirwa mune imwechete cladding (multi-core fiber MCF kana single-core fiber bundle) .MDM mode division multiplexing ndiko kushandiswa kwemaitiro akawanda e-spatial-optical modes mumutauro wekutumira semunhu / akaparadzana / akazvimiririra data channels, kazhinji nokuda kwenguva pfupi yekubatanidza nzira.
Nguva yekutumira: Jun-26-2025