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Bloch oscillation in a dynamically modulated ring resonator

We show how a ring resonator with a dynamic refractive index modulation can exhibit Bloch oscillation of light along the frequency axis, as a result of an effective force for photons induced by the modulation.

Monday, October 23, 2023 | 10 minutes Read
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From harmonic oscillator to the parametron

We try to understand the Kerr Parametric Oscillator (KPO) by slowly adding complexity the harmonic oscillator.

Wednesday, November 2, 2022 | 20 minutes Read
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Automatic differentiation of a recursive partition function

Computing the energy of a bosonic gas in an harmonic trap using automatic differentiation.

Saturday, April 2, 2022 | 6 minutes Read
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Diagonalising 2D Schrödinger Equation

The eigenfunctions of the time independent Schrödinger equation are numerically computed by discretising with the finite difference method and using exact diagonalisation of sparse matrices.

Monday, March 28, 2022 | 9 minutes Read