DocumentCode :
1779397
Title :
Low-voltage optical phase modulation by electric-field-induced phase transition of KTN bulk crystal
Author :
Inagaki, Takahiro ; Imai, Tadayuki ; Miyazu, Jun ; Takesue, Hiroki ; Kobayashi, Junya
Author_Institution :
NTT Basic Res. Labs., NTT Corp., Atsugi, Japan
fYear :
2014
fDate :
12-16 Oct. 2014
Firstpage :
390
Lastpage :
391
Abstract :
We report a low-voltage optical phase modulation that employs the electric-field-induced paraelectric-ferroelectric phase transition of KTN crystal. A large refractive-index change occurs within a narrow applied-voltage range as a result of structural changes in the crystal. We reduced the half-wave voltage to 2.1 Vp-p, which is very small for a 1-mm-thick bulk crystal.
Keywords :
ferroelectric materials; ferroelectric transitions; optical modulation; phase modulation; potassium compounds; refractive index; KTN bulk crystal; KTa1-xNbxO3; electric-field-induced phase transition; low-voltage optical phase modulation; paraelectric-ferroelectric phase transition; refractive-index change; structural changes; voltage 2.1 V; Biomedical optical imaging; Crystals; Optical modulation; Optical polarization; Optical refraction; Optical variables control; Optical variables measurement;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Photonics Conference (IPC), 2014 IEEE
Conference_Location :
San Diego, CA
Type :
conf
DOI :
10.1109/IPCon.2014.6995412
Filename :
6995412
Link To Document :
https://search.ricest.ac.ir/dl/search/defaultta.aspx?DTC=49&DC=1779397
بازگشت