Mgbe a na-agbakwunye voltaji na kristal electro-optic, ihe ntụgharị refractive na ihe ndị ọzọ na-ahụ anya nke kristal na-agbanwe, na-agbanwe ọnọdụ polarization nke ọkụ ọkụ, nke mere na ìhè nke na-egbuke egbuke na-aghọ ìhè elliptically, wee ghọọ ìhè ọkụ ọkụ. site na polarizer, na ike ọkụ na-agbanwe.N'oge a, ọkụ ọkụ nwere ozi ụda ma na-agbasa na oghere efu.A na-eji fotodetector na-anata akara ngosi anya modulated na ebe a na-anata, mgbe ahụ, a na-eme mgbanwe ntụgharị iji gbanwee akara ngosi anya na mgbaàmà eletrik.A na-eweghachi mgbama ụda site na demodulator, na n'ikpeazụ mgbasa ozi anya nke mgbaàmà ụda agwụla.Voltaji etinyere bụ mgbama ụda na-ebufe, nke nwere ike ịbụ mmepụta nke ihe ndekọ redio ma ọ bụ draịva teepu, ma bụrụ n'ezie mgbama voltaji na-agbanwe n'oge.