Efficient power extraction in surface-emitting semiconductor lasers using graded photonic heterostructures
Gangyi Xu,1 Raffaele Colombelli,1 Suraj P. Khanna,2 Ali Belarouci,3 Xavier Letartre,3 Lianhe Li,2 Edmund H. Linfield,2 A. Giles Davies,2 Harvey E. Beere4 & David A. Ritchie4
Nature Communications Volume: 3, Article number: 952