• Publications
  • Influence
MCM-GPU: Multi-chip-module GPUs for continued performance scalability
Historically, improvements in GPU-based high performance computing have been tightly coupled to transistor scaling. As Moore's law slows down, and the number of transistors per die no longer grows atExpand
  • 75
  • 20
Nuclear weapons effects testing of solar cells using the National Ignition Facility (NIF)
The response of triple junction InGaP2/GaAs/Ge, solar cells to a simulated nuclear weapons threat environment is being analyzed and tested. A series of experiments exposing solar cells to a pulseExpand
  • 2
  • 2
Experimental results from performance improvement and radiation hardening of inverted metamorphic multi-junction solar cells
This paper discusses results from continued development of inverted metamorphic multi-junction (IMM) solar cells with air mass zero (AM0) conversion efficiencies greater than 34%. An experimentalExpand
  • 45
  • 1
High-efficiency quadruple junction solar cells using OMVPE with inverted metamorphic device structures
Abstract We have produced a monolithically grown, two-terminal, series connected, quadruple junction III–V solar cell with a 1 sun AM0 conversion efficiency of 33.6%. The device epitaxial layers wereExpand
  • 56
  • 1
Very high efficiency triple junction solar cells grown by MOVPE
Abstract The GaInP/GaInAs/Ge triple junction (3J) space cell technology is nearing practical achievable conversion efficiency limits of ∼30% under 1-sun AM0 illumination. We present solar cellExpand
  • 51
  • 1
Experimental Results From Performance Improvement and Radiation Hardening of Inverted Metamorphic Multijunction Solar Cells
This paper discusses results from continued development of inverted metamorphic multijunction (IMM) solar cells with air mass zero (AM0) conversion efficiencies greater than 34%. An experimental bestExpand
  • 30
  • 1
The future of high efficiency, multi-junction space solar cells
Space power generation has involved the continual improvement of device designs to achieve higher efficiencies. The improvements have involved both evolutionary as well as revolutionary changes inExpand
  • 15
  • 1
Snowballs in Euclid and WFIRST detectors
Snowballs are transient events observed in HgCdTe detectors with a sudden increase of charge in a few pixels. They appear between consecutive reads of the detector, after which the affected pixelsExpand
  • 1
  • 1
Development of a four sub-cell inverted metamorphic multi-junction (IMM) highly efficient AM0 solar cell
We have identified the IMM structure as the best vehicle to achieve increased AM0 solar cell efficiency beyond the conventional 3-junction lattice matched GaInP/GaAs/Ge architecture. Building on ourExpand
  • 41
Development of a large area inverted metamorphic multi-junction (IMM) highly efficient AM0 solar cell
We have identified the inverted metamorphic multi-junction (IMM) structure as the best vehicle to achieve increased solar cell efficiency. In this paper, advantages of this approach are listed,Expand
  • 26