（90 ° kayan aiki na gani）

1kuma Bayani

Na COH24A kuma

daya polarization 90 ° gani hybrid wanda ba da damar cire mataki da kumaamplitude fromasingle polarization siginar ta yin hudu 90 ° mataki mataki

tsakanin siginar da aLocalOscillator (LO). COH24-X yana da

sabon ƙarni na gani tare da ingantaccen aiki (tsakanin wasu abubuwa, a

mafi faɗin tsawon raƙuman ruwa da kuma mafi kyawun daidaito biyu).

Da COH28

da kuma

COH28-X ya dogara ne akan biyu guda polarization 90 ° optical hybrids da damar

cire mataki, amplitude da polarization daga siginar tare da kowane polarization.

Waɗannan

kayayyaki ne kawai passive da athermal. COH24-X da COH28-X kuma suna da

zaɓin tunability na mataki don daidaita 90 ° na hybrid

dangane da tsawon raƙuman ruwa da aka yi amfani da shi.

2 Tsara

zane

A ƙasa ne

zane-zane mai nuna yadda mataki guda huɗu na 90 ° suka taka mataki. Ana yin tsangwama

a cikin opticalhybrid.

da

zane-zane a sama kwatanta dual uniformities, wani key sigogi na 90 ° gani

hybrids, don SignalandLO na daidaitaccen hybrid (COH) da sabon ƙarni

(COH-X). Za mu iya ganin a fili cewa COH-X yana nuna mafi kyawun daidaito biyu

a kan wani kewayo mafi girma.

7 Mataki

zaɓi na tuning

Canjin mataki na 90 ° na hybrids ya dogara da

kadan a kan tsawon raƙuman ruwa. Misali, yana ƙaruwa da kimanin 2 ° zuwa 3 ° a kan

C-band. Wannan yana nufin cewa idan a 191THz canjin mataki shine 88.5 ° zai zama

kimanin91.5 ° a 197THz (duba sakin layi na gaba don wasu ma'auni na yau da kullun).

Ga wasu

aikace-aikace zai iya zama da amfani don samun wani sosai daidai 90 ° mataki canji duk abin da

wavelengthyoure aiki a. Wannan shi ne abin da mataki tunability zaɓi a kan

COH-X yana ba da damar. Tare da wannan zaɓi, biyu ƙarfin lantarki ((V1 da V2) tsakanin 0V da 4V iya

za a yi amfani da shi a kan hybrid. Daya zai kara mataki canji lokacin da na biyu daya

zai rage shi. Saboda haka ga kowane tsawon raƙuman ruwa a cikin OWR canjin mataki zai iya zama