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Conferences > IPRSN > 2018 > ITu4I > ITu4I.5

Light emission from direct bandgap hexagonal SiGe

J.E.M. Haverkort, Y. Ren, A. Dijkstra, E. Fadaly, M.A. Verheijen, G. Reithmaier, D. Busse, S. Botti, M.A. Verheijen, J. J. Finley, and E.P.A.M. Bakkers

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Abstract

Hexagonal crystal phase Si1-xGex is a direct bandgap semiconductor for x>70%. We observe tunable light emission 1.8-3.5 μm at 4K. We observe amplified spontaneous emission as well as coherent light emission for Hex-Ge.

© 2018 The Author(s)

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