Digitally Controlled Phase Shifter Using an SOI Slot Waveguide With Liquid Crystal Infiltration

被引：49

作者：

Xing, Yufei ^{[1
,2
,3
]}

Ako, Thomas ^{[2
,3
]}

George, John P. ^{[1
,2
,3
]}

Korn, Dietmar ^{[4
,5
,6
]}

Yu, Hui

Verheyen, Peter ^{[7
]}

Pantouvaki, Marianna ^{[7
]}

Lepage, Guy ^{[7
]}

Absil, Philippe ^{[7
]}

Ruocco, Alfonso ^{[1
]}

Koos, Christian ^{[4
,5
]}

Leuthold, Juerg ^{[4
,5
,8
]}

Neyts, Kristiaan ^{[2
]}

Beeckman, Jeroen ^{[2
,3
]}

Bogaerts, Wim ^{[1
,3
,9
]}

机构：

[1] Univ Ghent, IMEC, Dept Informat Technol, Photon Res Grp, B-9000 Ghent, Belgium

[2] Univ Ghent, Dept Elect & Informat Syst, Liquid Crystal & Photon Grp, B-9000 Ghent, Belgium

[3] Ctr Nano & Biophoton, B-9000 Ghent, Belgium

[4] Karlsruhe Inst Technol, Inst Photon & Quantum Elect, D-76131 Karlsruhe, Germany

[5] Karlsruhe Inst Technol, Inst Microstruct Technol, D-76131 Karlsruhe, Germany

[6] Imagine Opt, F-75017 Paris, France

[7] IMEC, B-3001 Leuven, Belgium

[8] Swiss Fed Inst Technol, Electromagnet Fields Lab, CH-8092 Zurich, Switzerland

[9] Luceda Photon, B-9200 Dendermonde, Belgium

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2015年 / 27卷 / 12期

关键词：

Silicon photonics; slot waveguide; liquid crystal; phase modulator;

D O I：

10.1109/LPT.2015.2416438

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We demonstrate a phase shifter using a silicon slot waveguide infiltrated with liquid crystal. For a 1-mm long device we achieve 73 pi phase shift with a 5 V voltage, with a voltage-length product of 0.0224 V center dot mm similar to 1 V. We drive the phase shifter with a digital 1 V, duobinary pulsewidth-modulated signal, or a 1 V frequency-modulated signal. This enables direct digital CMOS control of an analog optical phase shifter.

引用

页码：1269 / 1272

页数：4

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