MIOMD-XI Speakers    
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1.  Prof. Gregory Belenky, Stony Brook Univ., USA
Invited Talk: Metamorphic antimonides for infrared photonics
Speaker Biography: Gregory Belenky IEEE Fellow received the D.Sc. degree in physics and mathematics from the Institute of Physics, Baku. In 1990-1994 he was at AT&T Bell Labs, Murray Hill, NJ. He is currently Distinguished Professor and Head of the Optoelectronic Group at SUNY in Stony Brook.

Summary: The III-V based interband type devices for infrared photonics operating within the spectral region of λ > 2 μm can be grown today only on commercially available InAs, GaSb and InSb substrates. Due to a large difference between lattice parameters of InAs GaSb and InSb, the requirement of pseudomorphic growth limits the device design capabilities. In this work we will show that using linearly compositionally graded buffer layers on GaSb allows the growth of unstrained and unrelaxed thick (up to 5 μm) layers with lattice parameters larger (0.9%, 1.4% and 2.1%) than that of the substrate.
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