Patent ID: 8848754
Filing Date: 2014-09-30
Classification: B82Y,H01S

Abstract:
1. A semiconductor structure comprising: an electron injector, an active region adjacent to the electron injector, and an electron extractor adjacent to the active region, the electron injector, active region, and electron extractor each comprising layers of semiconductor, the layers configured to provide alternating quantum wells and barriers, wherein the active region comprises an injection barrier, an exit barrier and a multiquantum well structure between the injection barrier and the exit barrier, the multiquantum well structure comprising wherein the energies of the first barrier and the second barrier are less than the energy of the third barrier, the energy difference between the energy of the second barrier and the energy of the third barrier is greater than 225 meV and the ratio of the energy of the third barrier to the energy of the second barrier is greater than 1.26.