Kana iyo voltage yawedzerwa kune electro-optic crystal, iyo refractive index uye zvimwe zve optical zvimiro zvekristaro shanduko, shandura iyo polarization mamiriro emwenje wave, kuti mwenje unotenderera unove elliptically polarized mwenje, uye wobva waita linearly polarized mwenje. kuburikidza nepolarizer, uye kusimba kwechiedza kunogadziriswa. Panguva ino, iyo mwenje wave ine ruzivo rwekurira uye inopararira munzvimbo yemahara. Iyo photodetector inoshandiswa kugamuchira iyo modulated optical chiratidzo panzvimbo yekugamuchira, uye ipapo kutendeuka kwedunhu kunoitwa kushandura chiratidzo chemaziso kuita chiratidzo chemagetsi. Chiratidzo chezwi chinodzoreredzwa nedemodulator, uye pakupedzisira kufambisa kwemaziso kwechiratidzo chezwi kunopedzwa. Iyo inoshandiswa voltage ndiyo inofambiswa inonzwika chiratidzo, inogona kuve kubuda kwerekodhi rekodhi kana tepi drive, uye ichokwadi chiratidzo chemagetsi chinosiyana nekufamba kwenguva.