Ubwoko bwa modulator za electro-optic bwasobanuwe muri make

Modulator y'amashanyarazi n'amatara (EOM) igenzura imbaraga, icyiciro na polarization by'umuraba wa laser ikoresheje uburyo bw'ikoranabuhanga bwo kugenzura ikimenyetso.
Icyoroshye cyanemodulator y'amashanyarazi n'amataranimodulator y'icyiciroigizwe n'agasanduku kamwe gusa ka Pockels, aho amashanyarazi (ashyirwa kuri kristu hakoreshejwe electrode) ahindura igihe cyo gutinda k'umuyoboro wa laser nyuma yo kwinjira muri kristu. Imiterere ya polarization y'umuyoboro w'impanuka ikunze kuba ijyanye n'umwe mu mirongo y'urumuri rwa kristu kugira ngo imiterere ya polarization y'umuyoboro idahinduka.

Mu bihe bimwe na bimwe, hakenewe modulation nto cyane (periodic cyangwa aperiodic). Urugero, EOM ikunze gukoreshwa mu kugenzura no gushimangira frequency ya resonant ya optical resonators. Modulators za Resonance zikoreshwa mu bihe bikenewe modulation ihoraho, kandi modulation ndende ishobora kuboneka hakoreshejwe voltage iringaniye gusa. Hari igihe modulation uburebure iba nini cyane, kandi sidelobe nyinshi (light comb generator, light comb) zikorwa muri spectrum.

Modulator ya polarization
Bitewe n'ubwoko n'icyerekezo cya kristu idakoresha umurongo umwe, ndetse n'icyerekezo cy'umuyoboro w'amashanyarazi, gutinda kw'itsinda nabyo bifitanye isano n'icyerekezo cya polarisation. Kubwibyo, agasanduku ka Pockels gashobora kubona plaque z'imiraba zigenzurwa na voltage nyinshi, kandi gashobora no gukoreshwa mu guhindura imiterere ya polarisation. Ku rumuri rwinjiye rushingiye ku murongo umwe (ubusanzwe ruri ku nguni ya 45° uvuye ku murongo wa kristale), polarisation y'umuyoboro w'amashanyarazi akenshi iba ifite ishusho ya elliptic, aho kuzunguruka gusa n'inguni iturutse ku rumuri rw'umwimerere rushingiye ku murongo umwe.

Modulator y'ubwinshi bw'amajwi
Iyo bihujwe n'ibindi bintu by'urumuri, cyane cyane hamwe na polarizers, Pockels boxes zishobora gukoreshwa mu bundi buryo bwo guhindura. Modulator y'amplitude iri ku Ishusho ya 2 ikoresha agasanduku ka Pockels kugira ngo ihindure imiterere ya polarization, hanyuma igakoresha polarizer kugira ngo ihindure imiterere ya polarization mo impinduka mu bushobozi n'imbaraga by'urumuri rwoherejwe.
Zimwe mu mikoreshereze isanzwe ya modulator za electro-optic zirimo:
Guhindura imbaraga z'umuraba wa laser, urugero, mu gucapa laser, gufata amakuru yihuta cyane, cyangwa itumanaho ryihuse cyane;
Ikoreshwa mu buryo bwo kubungabunga frequency ya laser, urugero, hakoreshejwe uburyo bwa Pound-Drever-Hall;
Q switches muri lasers za state solid (aho EOM ikoreshwa mu gufunga resonator ya laser mbere y'imirasire ya pulsed);
Gufunga uburyo bukora (EOM modulation cavity loss cyangwa phase of return-trip light, nibindi);
Guhindura pulses mu bikoresho bipima pulse, amplifiers nziza na lasers zitiga.