Compressive Wavefront Sensing with Weak Values
Optics
2014-07-30 v1 Quantum Physics
Abstract
We demonstrate a wavefront sensor based on the compressive sensing, single-pixel camera. Using a high-resolution spatial light modulator (SLM) as a variable waveplate, we weakly couple an optical field's transverse-position and polarization degrees of freedom. By placing random, binary patterns on the SLM, polarization serves as a meter for directly measuring random projections of the real and imaginary components of the wavefront. Compressive sensing techniques can then recover the wavefront. We acquire high quality, 256x256 pixel images of the wavefront from only 10,000 projections. Photon-counting detectors give sub-picowatt sensitivity.
Cite
@article{arxiv.1405.3671,
title = {Compressive Wavefront Sensing with Weak Values},
author = {Gregory A. Howland and Daniel J. Lum and John C. Howell},
journal= {arXiv preprint arXiv:1405.3671},
year = {2014}
}