GaAs/AlGaAs quantum wells and double-heterostructure lasers grown by chemical beam epitaxy
✍ Scribed by W.T. Tsang; R.C. Miller
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- English
- Weight
- 983 KB
- Volume
- 77
- Category
- Article
- ISSN
- 0022-0248
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## Abstract The operation in the 1020 nm wavelength range of strained‐layer InGaAs/GaAs separate‐confinement‐heterostucture lasers grown by molecular beam epitaxy is reported. The active region is formed by a single 80 Å thick InGaAs quantum well with an indium content of 25%, which is close to cri
We have measured the photoluminescence (PL) and PL excitation (PLE) of AlGaAs/GaAs single quantum wells with growth-interrupted heterointerfaces. PLE shows the small Stokes shifts of less than 1 meV indicating the extremely flat heterointerfaces without microroughness. Photoluminescence spectra show