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Conference Paper
CLEO: Science and Innovations
Baltimore, Maryland United States
May 1-6, 2011
ISBN: 978-1-55752-910-7
Postdeadline Session I (PDPA)

Direct-Bandgap Germanium Active Layers Pumped Above Transparency Based on Tensilely Strained Nanomembranes

Cicek Boztug, Feng Chen, Jose Sanchez-Perez, Faisal Sudradjat, Deborah Paskiewicz, R. B. Jacobson, Max Lagally, and Roberto Paiella  »View Author Affiliations


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We show that mechanically stressed nanomembranes can be used to introduce sufficient tensile strain in Ge to transform it into a direct-bandgap, efficient light-emitting material that can support population inversion and thus provide optical gain.

© 2011 OSA

OCIS Codes
(160.3380) Materials : Laser materials
(250.5230) Optoelectronics : Photoluminescence
(160.4236) Materials : Nanomaterials

C. Boztug, F. Chen, J. Sanchez-Perez, F. Sudradjat, D. Paskiewicz, R. B. Jacobson, M. Lagally, and R. Paiella, "Direct-Bandgap Germanium Active Layers Pumped Above Transparency Based on Tensilely Strained Nanomembranes," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper PDPA2.

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