Abstract
Optical gain spectra are investigated for Zn0.7Cd0.3Se/ZnSe single quantumj well laser structures at room temperature by varying the optical excitation length. An optical gain of several tens of cm-3 is achieved for 100 kW/cm2 at the exciton tail region. The photoluminescence excitation spectrum is also measured to determine exciton resonances. The gain mechanism is discussed in terms of phase-space filling of an inhomogeneously broadened exciton state.
Original language | English (US) |
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Pages (from-to) | 241-243 |
Number of pages | 3 |
Journal | Journal of Luminescence |
Volume | 58 |
Issue number | 1-6 |
DOIs | |
State | Published - Jan 1994 |
Externally published | Yes |
ASJC Scopus subject areas
- General Chemistry
- Condensed Matter Physics
- Atomic and Molecular Physics, and Optics
- Biophysics
- Biochemistry