Near-infrared absorption of germanium thin films on silicon

Sorianello, V.; Perna, A.; Colace, L.; Assanto, G.; Luan, H. C.; Kimerling, L. C.
September 2008
Applied Physics Letters;9/15/2008, Vol. 93 Issue 11, p111115
Academic Journal
Using differential optical absorption spectroscopy of germanium thin films epitaxially grown on silicon, we accurately evaluate the near-infrared absorption versus wavelength and temperature. The results allow for optimized design and realization of Ge-on-Si photodetectors.


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