Investigation of polarization properties of VCSELs subject to optical feedback from an extremely short external cavity - Part II: Experiments

被引：14

作者：

Arteaga, MA ^{[1
]}

Unold, HJ

Ostermann, JM

Michalzik, R

Thienpont, H

Panajotov, K

机构：

[1] Vrije Univ Brussel, Dept Appl Phys & Photon, B-1050 Brussels, Belgium

[2] Swiss Fed Inst Technol, Inst Quantum Elect, Dept Phys, CH-8093 Zurich, Switzerland

[3] Univ Ulm, Optoelect Dept, D-89081 Ulm, Germany

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

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2006年 / 42卷 / 1-2期

关键词：

extremely short external cavity (ESEC); optical feedback; polarization; vertical-cavity surface-emitting lasers (VCSELs);

D O I：

10.1109/JQE.2005.861623

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：

The effect of isotropic optical feedback from an extremely short external cavity on the emission properties of vertical-cavity surface-emitting lasers (VCSELs) is experimentally investigated. When changing the external cavity length a modulation of the total power and the wavelength emitted by the VCSEL is observed with a period of half the wavelength of operation of the device. When biasing the VCSEL around its solitary (without optical feedback) polarization switching (PS) current, PS between the two linearly polarized modes is observed by changing the external cavity length. This PS is found to occur through a hysteresis region. Our experimental results show a modulation of the PS currents and the hysteresis width when changing the external cavity length with a period of half the wavelength of operation. The experimental results are well explained by a two mode rate equation model.

引用

页码：102 / 107

页数：6

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