"An optical waveform can be driven by an electrical signal using the novel physics and device structure of a "toggling" gain modulator. Operation over 100 GHz is anticipated with high extinction. Toggling modulators are expected to dissipate little power,tolerate wide variation in operating… More

We will develop and demonstrate Geiger mode APDs using novel materials set, device structure, and circuit for short wavelength (500 - 600 nm) ladar pixels and pixel arrays. Our approach promises extremely low dark count rates at room temperature (1 cps).This quietness allows trade-offs among larger… More

The physical principles enabling a new class of polycrystalline thin film solar cells will be proven experimentally. The materials and device structure promise efficiency approaching that of single crystal material, even with grain sizes as small as 5 um.The new material's exceptional defect… More

This Small Business Innovation Research (SBIR) Phase II project proposes to develop a solid state photodetector with ultimate sensitivity and wide dynamic range at room temperature, capable of efficiently seeing signals from a single photon to trillions per second, featuring high speed, zero… More

A solid state photodetector will be developed for efficient detection of 1.5 um photons with single photon sensitivity, notably offering operation above 200 K without needing gating. The photodetector will be an avalanche photodiode operated in Geiger modeand fabricated using novel materials and a… More

We propose to develop a high performance, solid state photodetector with 8 mm diameter. It will use a novel solid state microchannel plate incorporating a proprietary avalanche gain structure. In Phase I, the design concept will be validated experimentallyto prove feasibility and scalability. The… More

This project proposes design, construction and demonstration of a new type of thin-film transistor (TFT), based on indium phosphide compound semiconductors. Models predict unity power gain and unity current gain (fT and fmax) above 10 GHz for the new TFTs in a polycrystalline form compatible with… More

DESCRIPTION (provided by applicant): We propose a solid-state single-photon avalanche detector (SPAD), based on large band gap compound semiconductor materials and a new Geiger-mode avalanche photodiode structure. It will be able to detect light levels down to lone photons with uniquely low… More

This Small Business Innovation Research (SBIR) Phase II project proposes to develop a solid state photodetector with ultimate sensitivity and wide dynamic range at room temperature, capable of efficiently seeing signals from a single photon to trillions per second, featuring high speed, zero… More

The project will demonstrate a multi-GHz thin-film transistor with multi-micron feature sizes. The inherently defect-tolerant character of the indium arsenide-based materials system supports high mobilities in defect-rich, polycrystalline epitaxial layers. Circuits using the TFTs will eventually be… More

A focal-plane array module will be developed including a read-out integrated circuit bump-bonded to a compound semiconductor avalanche photodiode array, supporting 3D imaging for coherent and incoherent pulsed ladars with range resolution finer than 15 cm. The ROIC, already in its fourth generation… More

LightSpin Technologies, Inc. proposes to develop an innovative solid-state microchannel plate (SSMCP) detector for the focal plane of LIBS instruments. It is a true solid-state replacement for vacuum microchannel plate technologies such as those used in intensified CCDs, and will provide sensitivity… More

DESCRIPTION (provided by applicant): LightSpin Technologies, Inc., proposes to develop an innovative, solid-state microchannel photodetector (SSMCP) for PET and SPECT applications. This is the first room temperature solid-state photodetector capable of out performing photomultiplier tubes. The SSMCP… More

LightSpin Technologies, Inc. proposes to develop an innovative time resolved spectrometer focal plane array (FPA) detector technology for LIBS applications. The FPA will use a 1 x 1024 pixelated array of solid-state microchannel plate (SSMCP) photodetectors, which are a true solid-state replacement… More

LightSpin Technologies, Inc. proposes to develop a broadband photodetector technology with high quantum efficiency and low noise spanning the wavelength range of 200 -- 2500 nm. LightSpin's unique approach enables full darkness-to-daylight operation with single photon sensitivity, more than 20 bits… More

We seek proposals to develop, design and build inexpensive radiation detectors capable of crude gamma spectroscopy. Ideally these detectors will be simple and inexpensive enough to be deployed in large numbers and essentially disposable. DESCRIPTION: In DTRA's efforts to prevent the spread… More

The photodetectors used to count scintillations from energetic elementary particles are vulnerable to radiation. Historically, this has meant that high-voltage/high-vacuum tubes, such as photomultiplier tubes and micro-channel plates, had to be used instead of solid-state detectors, despite their… More

DESCRIPTION (provided by applicant): LightSpin Technologies, Inc., proposes to develop a photodetector module capable of providing ultra-fast timing resolution for TOF-PET applications. The photodetector module exploits LightSpin's ultra-fast Photomultipli er ChipTM technology, which is capable of… More

LightSpin Technologies, Inc. proposes to develop a revolutionary photoreciever focal plane for coherent laser Doppler vibrometry (LDV) applications. The approach readily scales to tens of thousands of pixels, while maintaining low power and sampling rates in excess of 100 MSa/s. In Phase I,… More