학술논문
Uni-directionally blue emitting spiral-shaped micropillar laser diode
Document Type
Conference
Source
Digest of the LEOS Summer Topical Meetings Biophotonics/Optical Interconnects and VLSI Photonics/WBM Microcavities, 2004. Biophotonics/optical interconnects & VLSI photonics/WGM microcavities Biophotonics/Optical Interconnects and VLSI Photonics/WBM Microcavities, 2004 Digest of the LEOS Summer Topical Meetings. :2 pp. 2004
Subject
Language
ISSN
1099-4742
Abstract
We demonstrate uni-directional emission near 400 nm from lasing InGaN/InGaN multiple quantum-well (MQW) spiral micropillars. Reduction of the lasing threshold (to current densities as low as 4.6 kA/cm/sup 2/ when current-injected) and enhancement of uni-directionality occurs when the microcavity is selectively optically or electrically pumped near its boundary.