@misc{potier2022increasing,
  title={Increasing the raw contrast of VLT/SPHERE with the dark-hole technique. II. On-sky wavefront correction and coherent differential imaging},
  author={Axel Potier and Johan Mazoyer and Zahed Wahhaj and Pierre Baudoz and Gael Chauvin and Raphael Galicher and Garreth Ruane},
  year={2022},
  eprint={2208.11244},
  archivePrefix={arXiv},
  primaryClass={astro-ph.IM},
  doi={10.1051/0004-6361/202244185},
  url={https://arxiv.org/abs/2208.11244}
}