In this project we develop a novel infrared camera with low noise and high detection efficiency for biomedical applications of optical coherence tomography (OCT) using quantum materials. OCT is a technique used to image the back of the eye and allow for the diagnosis of detrimental eye conditions, for e.g., macular degeneration, diabetic retinopathy and glaucoma. It can also be used for early detection of Alzheimer’s disease. However, current OCT systems are limited by their low sensitivity and spatial resolution. To provide more precise early diagnosis of potentially blinding ocular diseases, we utilize the unique expertise of a collaborative team of researchers to develop an infrared camera with sub-micron resolution and single-photon sensitivity: design and nano fabrication of quantum sensors (Reimer), design and fabrication of CMOS electrical read-out circuits to make the camera (Karim and Levine), and extensive knowledge and research expertise in the area of OCT (Bizheva). At the heart of the infrared camera is a single photon detector recently developed through another TQT-supported project, Next Generation Quantum Sensors. This sensor is based on nanostructured arrays of tapered semiconductor nanowires and is capable to detect light with high efficiency, speed, and timing resolution over an unprecedented wavelength range from the UV to infrared, all while operating at room temperature. This sensor will be integrated into a prototype camera and into existing OCT systems to realize enhanced OCT images of the human retina and cornea in-vivo.
Rydberg Atom Array Quantum Simulator
Summary Quantum simulators enable probing the static and dynamic properties of correlated quantum many-body systems that would otherwise be numerically inaccessible using classical simulators. We are developing quantum simulators based on arrays of neutral atoms excited to Rydberg states. Such Rydberg atom arrays are advantageous for simulating the dynamics of interacting spin systems (Ising spin […]
February 27, 2020
Silicon Platform for Electron Spin Qubits
Summary Scaling solid-state quantum processors to a useful threshold while maintaining the requisite precision in quantum control remains a challenge. We propose a quantum metal-oxide-semiconductor (QMOS) architecture operating at cryogenic temperatures that is based on a network/node approach as a means to scalability. By working with QMOS, we benefit from the deep investments and […]
December 7, 2018
Fabrication of Ultra Low Noise RF SQUID Amplifiers
A superconducting quantum interference device (SQUID) is an extremely sensitive magnetic field detector.
June 1, 2017
Inverse Photoemission Spectroscopy of Quantum Materials
Summary Quantum materials that exhibit strong electron correlations lead to phenomena, such as superconductivity and topologically protected states, that are important for quantum computation, sensing, and other applications. For example, we may utilize symmetry protected topological states to make qubits that are robust against decoherence, while advances in high temperature superconductors may significantly reduce […]
September 20, 2018