Optimization of electrically tunable VCSEL with intracavity nematic liquid crystal

被引：11

作者：

Belmonte, Carlos ^{[1
]}

Frasunkiewicz, Leszek ^{[1
,2
]}

Czyszanowski, Tomasz ^{[2
]}

Thienpont, Hugo ^{[1
]}

Beeckman, Jeroen ^{[3
,4
]}

Neyts, Kristiaan ^{[3
,4
]}

Panajotov, Krassimir ^{[1
,5
]}

机构：

[1] Vrije Univ Brussel, B Phot, B-1050 Brussels, Belgium

[2] Lodz Univ Technol, Inst Phys, PL-93005 Lodz, Poland

[3] Univ Ghent, Dept Elect & Informat Syst, B-9000 Ghent, Belgium

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

[5] Inst Solid State Phys, BU-1784 Sofia, Bulgaria

来源：

OPTICS EXPRESS | 2015年 / 23卷 / 12期

关键词：

SURFACE-EMITTING LASER; MEMS-VCSEL; REFRACTIVE-INDEXES; DISCRIMINATION;

D O I：

10.1364/OE.23.015706

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We optimize the wavelength tuning range of a Vertical-Cavity Surface-Emitting Laser with an intracavity layer of nematic Liquid Crystal (LC-VCSEL) lasing around 1.3 mu m. The tunability is obtained by applying voltage to the liquid crystal layer, which esentially is to vary the refractive index from the extraordinary to the ordinary. We achieve 71.6 nm continuous tuning (without mode hopping) with liquid crystal thickness of about 3.2 mu m. We investigate the impact of ambient temperature on the LC-VCSEL tuning range and show that mode-hop tuning can be achieved in the temperature range from -10 degrees C to 50 degrees C where the LC is in nematic phase. (C) 2015 Optical Society of America

引用

页码：15706 / 15715

页数：10

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