Silent White Light
- URL: http://arxiv.org/abs/2310.06834v1
- Date: Tue, 10 Oct 2023 17:59:03 GMT
- Title: Silent White Light
- Authors: Kai Niklas Hansmann, Franziska Dommermuth, Wolfgang Els\"a{\ss}er,
Reinhold Walser
- Abstract summary: We investigate the intra-waveguide statistics manipulation of broadband light by combining semiconductor quantum dot physics with quantum optics.
We demonstrate that, by an intensity increase due to the quantum dot occupation dynamics via the temperature-tuned quasi Fermi levels, a statistics manipulation from thermal Bose-Einstein statistics towards Poissonian statistics can be realized.
- Score: 0.0
- License: http://creativecommons.org/licenses/by-nc-sa/4.0/
- Abstract: We investigate the intra-waveguide statistics manipulation of broadband light
by combining semiconductor quantum dot physics with quantum optics. By cooling
a quantum dot superluminescent diode to liquid nitrogen temperature of $77K$,
Blazek et al. [Phys. Rev. A 84, 63840 (2011)] have demonstrated a
temperature-dependent reduction of the second-order intensity correlation
coefficient from two for thermal amplified spontaneous emission light to
$g^{(2)}(T=190 K)\approx 1.33$. Here, we model the broadband photon statistics
assuming amplified spontaneous emission radiation in a pumped, saturable
quantum dot gain medium. We demonstrate that, by an intensity increase due to
the quantum dot occupation dynamics via the temperature-tuned quasi Fermi
levels, together with the saturation nonlinearity, a statistics manipulation
from thermal Bose-Einstein statistics towards Poissonian statistics can be
realized, thus producing "silent white light". Such intensity-noise reduced
broadband radiation is relevant for many applications like optical coherence
tomography, optical communication or optical tweezers.
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