Optical properties of semiconductor lasers with hydrostatic pressure
- 1 July 1993
- journal article
- letter
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 74 (1), 737-739
- https://doi.org/10.1063/1.355242
Abstract
The pressure dependence of the stimulated emission of a 1.3 μm In1−xGaxAsyP1−y (y=0.6) buried heterostructure laser has been measured up to 2.5 GPa. In this pressure range the laser output was tuned over 200 nm. The laser output energy varied linearly with pressure at a rate of (80±3) meV/GPa, corresponding to variation of the direct band gap of the InGaAsP active layer with pressure. From the measured energy shift and from calculations of the fractional volume change in the active layer for the strain conditions of the epilayer, a hydrostatic deformation potential of (−5.7±0.1) eV was obtained.Keywords
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