Angulo, Ali

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Dr. Ali Angulo

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Area of Expertise: Quantum Optics, QOCT Imaging, Optical Applications, Nanosystems, Numerical Calculations, Physics simulations
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My research interests lie in applied Physics and Multidisciplinary Science, my expertise is in Fundamental and Applied Quantum Optics, developed during my PhD in the Quantum Optics Lab under the advisement of Professor Alfred U'Ren.
I also have expertise in numerical calculations of nanometric systems, in particular with metallic nanostructures, and near field calculations. I have strong experience in both, experimental and numerical solutions. My goal is to learn new techniques to solve problems related with the interaction between light and matter, always thinking about application.

My current research is an extension of my dissertation in "Applications of Randomness and interference of photon pairs sources". I include a brief description:

- Infra Red Quantum Optical Coherence Tomography (QOCT)

This technique can be applied for imaging organic tissue "in vivo" samples. Using OCT at the quantum level, we used continuous wave and pulsed lasers to control the manipulation of quantum correlations of photons generated with a SPDC source. We investigated the effects in the interference pattern characteristic from this technique. Our results provide insights and strategies that could guide practical implementations of QOCT.

-Random Number Generation.

I worked in the development of a random number generator system using SPDC photon pairs and its arrival time distribution in Avalanche photodiode detectors. Randomness theoretical certification is also a challenge, I have been involved in the development of two new methods to certify randomness: Borel's Normality and one Bayesian Model Selection method, this methods. Our method proves to be more rigorous than NIST’s suite and its implementation is straightforward.

- Coupled Waveguide Arrays.

I developed a simulation of the behaviour of pairs of photons evolving in a waveguide array, considering interference effects. This will allow us to control quantum states, expanding Hilbert spaces and apply it in Q.computing.
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