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The Award database is continually updated throughout the year. As a result, data for FY19 is not expected to be complete until June, 2020.

  1. Dynamic Frequency Passive Millimeter-Wave Radiometer Based on Optical Up-Conversion

    SBC: Phase Sensitive Innovations, Inc.            Topic: 941D

    In the proposed effort, we will leverage this extensive experience and capabilities to realize a frequency agile mmW radiometer that can cover the range of DC-110 GHz and can be scaled to DC-200 GHz under Phase II. Ours is a photonic system that multiplies and up-coverts a low-frequency reference signal onto an optical carrier (laser) using EO modulation, then uses the modulation sidebands to inj ...

    SBIR Phase I 2013 Department of CommerceNational Oceanic and Atmospheric Administration
  2. High Efficiency, Large-Area, 1550 nm InGaAs Photodiodes

    SBC: VOXTEL, INC.            Topic: N/A

    A back-illuminated planar InGaAs photodiode tested to have 95% quantum effiiency (QE) at 1550 nm, area greater than 1 mm2, low capacitance (<23 pF), and high bandwidth (>125 MHz) will be improved. Although the existing Phase I device exhibited bulk material dark current generation better than commercially available devices, the sidewall-generated dark current was found to dominate the noise ...

    SBIR Phase II 2010 Department of CommerceNational Institute of Standards and Technology
  3. Dynamic Light Scattering Instrumentation Using Field Programmable Gate Array-based Digital Signal Processing

    SBC: VOXTEL, INC.            Topic: N/A

    An existing low-cost FPGA-based processing platform will be demonstrated with fiber-coupling to single-photon detectors, to perform photon-arrival time stamping with

    SBIR Phase I 2009 Department of CommerceNational Institute of Standards and Technology
  4. High Efficiency, Large-area, 1550 nm InGaAs Photodiodes

    SBC: VOXTEL, INC.            Topic: N/A

    A stable, well characterized InGaAs materials growth and photodetector fabrication process will be used to fabricate matched photodiodes optimized for balanced homodyne detection. The 1-mm-diameter p-i-n photodetectors will be manufactured back-illuminated with a 5-micron absorber, allowing residual light to reflect off the front-side metal to make a double pass through the active layer. Ultra-hig ...

    SBIR Phase I 2009 Department of CommerceNational Institute of Standards and Technology
  5. Efficient Low-Dark-Count Detector for Photon Counting

    SBC: VOXTEL, INC.            Topic: N/A

    Voxtel has demonstrated efficient high-speed photon counting with thresholded linear-mode avalanche photodiode (APD) receivers using multi-gain-stage InGaAs/InAIAs APDs. In contrast to Geiger APDs, thresholded photon-counting linear APD receivers are thought not to suffer afterpulsing, and can support maximum count rates (MCR) up to 2 or 3 orders of magnitude faster than Geiger APDs. However, the ...

    SBIR Phase II 2009 Department of CommerceNational Institute of Standards and Technology

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