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LWIR Strained-Layer Superlattice Materials and Devices at Teledyne Imaging Sensors

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Abstract

Strained-layer superlattices (SLS) based on type II InAs/Ga(In)Sb materials are a rapidly maturing technology and are theoretically predicted to exceed the dark-current performance of state-of-the-art HgCdTe. A substantial effort is underway at Teledyne Imaging Sensors in the development of SLS materials for infrared focal-plane arrays. In this paper, we describe state-of-the-art materials, device research and characterization, along with testing results for long-wavelength infrared SLS devices based on double-heterostructure and p +-B-n architectures, having n-on-p and p-on-n polarities, respectively. Detector materials exhibited excellent morphological and crystalline characteristics, and electro-optical characterization demonstrated performance comparable to the state of the art.

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Authors and Affiliations

  1. Teledyne Imaging Sensors, Camarillo, CA, USA

    Andrew D. Hood, Allan J. Evans, Amal Ikhlassi, Donald L. Lee & William E. Tennant

Authors
  1. Andrew D. Hood
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  2. Allan J. Evans
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  3. Amal Ikhlassi
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  4. Donald L. Lee
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  5. William E. Tennant
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Correspondence to Andrew D. Hood.

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Hood, A.D., Evans, A.J., Ikhlassi, A. et al. LWIR Strained-Layer Superlattice Materials and Devices at Teledyne Imaging Sensors. J. Electron. Mater. 39, 1001–1006 (2010). https://doi.org/10.1007/s11664-010-1091-x

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  • DOI: https://doi.org/10.1007/s11664-010-1091-x

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