Chii chinonzi phase modulator

Chii chinonzi aphase modulator

 

Phase modulator ndeye optical modulator inogona kudzora chikamu che laser beam. Mhando dzakajairika dzechikamu modulators ndeyePockels bhokisi-yakavakirwaelectro-optic modulatorsuye liquid crystal modulators, iyo inogona zvakare kutora mukana weiyo thermal fiber refractive index shanduko kana kureba shanduko, kana nekutambanudza kushandura kureba. Yakasiyana-siyana phase modulators inoshandiswa mumunda weakabatanidzwa optics, uko modulated mwenje inopararira mune waveguide.

 

Akakosha zvimiro zvechikamu modulators anosanganisira: Saizi yechikamu modulation (iyo inosarudza modulation index uye simba rehukama repadivi bhendi) inoda drive voltage modulation bandwidth (modulation frequency renji), iyoelectro-optical modulatoriri mu GHz kurongeka, uye mudziyo unoshandisa thermal effect kana liquid crystal material ishoma pane inoshanda bandwidth yemudziyo aperture. Inomisa radius yedanda reiyo modulated danda Zvimiro zvekunze zvechishandiso Izvi zvivakwa zvinosiyana zvakanyanya kune akasiyana marudzi echikamu modulators. Naizvozvo, akasiyana phase modulators anofanirwa kushandiswa mune akasiyana anoshanda maapplication.

Mienzaniso yechikamu modulator mashandisirwo anosanganisira: A phase modulator mune laser resonator ye single-frequency laser inogona kushandiswa kune wavelength tuning, kana inoshanda mode-locking (FM mode-locking) yelaser kuisa danda kana iine mwero modulation intensity, inogona kushandiswa mune laser frequency kudzikamisa nzira, semuenzaniso, Iyo Peel-Hall-yakawanda nzira yekudzikamisa nzira, semuenzaniso, Iyo Peel-Hall-yakawanda nzira yekudzikamisa. spectral measurement devices, kazhinji kushandisa periodic drive zviratidzo. Zvimwe zviyero zvinoda frequency mizinga, iyo inowanikwa nechiitiko imwe-frequency danda muchikamu modulator. Muchiitiko ichi, iyo phase modulation inowanzoda kuva yakasimba, kuitira kuti iwe uwane akawanda emativi mabhendi. Mune iyo data transmitter ye optical fiber kutaurirana system, iyo phase modulator inogona kushandiswa kudhidha ruzivo rwakafambiswa. Semuenzaniso, iyo phase-shift keying nzira inoshandiswa.


Nguva yekutumira: Kubvumbi-08-2025