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Fig. 1 | Nanoscale Research Letters

Fig. 1

From: GaAs-Based Superluminescent Light-Emitting Diodes with 290-nm Emission Bandwidth by Using Hybrid Quantum Well/Quantum Dot Structures

Fig. 1

Normalized QW PC spectra for the QW-only sample and QW + QD sample at an electric field of 8 kV cm−1 at room temperature. The inset shows the normalized EL spectra obtained from mesa diodes (200 μm) for the QW-only, QW + QD, and QD-only samples at room temperature. The marks at the bottom (from right to left) indicate the following transitions: QD GS, QD ES1, QD ES2, QWe1-hh1, QWe1-hh2, and QWe1-hh3

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