Modal loss mechanism of micro-structured VCSELs studied using full vector FDTD method | Zendy

Du-Ho Jo | Zendy; Ngoc Hai Vu | Zendy; Jintae Kim | Zendy; In-Kag Hwang | Zendy

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Modal loss mechanism of micro-structured VCSELs studied using full vector FDTD method

Author(s) -

Du-Ho Jo,

Ngoc Hai Vu,

Jintae Kim,

In-Kag Hwang

Publication year - 2011

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.018272

Subject(s) - finite difference time domain method , optics , modal , materials science , laser , semiconductor laser theory , mode (computer interface) , computer science , physics , polymer chemistry , operating system

Modal properties of vertical cavity surface-emitting lasers (VCSELs) with holey structures are studied using a finite difference time domain (FDTD) method. We investigate loss behavior with respect to the variation of structural parameters, and explain the loss mechanism of VCSELs. We also propose an effective method to estimate the modal loss based on mode profiles obtained using FDTD simulation. Our results could provide an important guideline for optimization of the microstructures of high-power single-mode VCSELs.

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