@inproceedings{f627617700534f17886e4915993553b0,
title = "Exploring the potential of coherent imaging using photonic lanterns with beam combiners",
abstract = "Photonic Lanterns (PLs) are tapered waveguides that can efficiently couple multi-mode telescope light into a multi-mode fiber entrance at the focal plane and coherently convert it into multiple single-mode beams. Each SMF samples its unique mode (lantern mode) of the telescope light in the pupil, analogous to subapertures in aperture mask interferometry. In this study, we show the concept and potential of coherent imaging with PLs. It can be enabled by interfering SMF outputs and applying path length modulation, which can be achieved using a photonic chip beam combiner at the backend (e.g., the ABCD beam combiner). Using numerically simulated lantern modes of a 6-port PL, we calculate interferometric observables for various input scenes. Our simulated observations suggest that PLs may offer significant benefits in the photon-noise limited regime and for resolving small-scale (< λ/2D) asymmetries.",
keywords = "beam combiner, coherent imaging, high angular resolution, interferometry, photonic lantern, photonics",
author = "Kim, {Yoo Jung} and Fitzgerald, {Michael P.} and Jonathan Lin and Steph Sallum and Yinzi Xin and Nemanja Jovanovic and Sergio Leon-Saval and Christopher Betters and Pradip Gatkine and Olivier Guyon and Julien Lozi and Dimitri Mawet and Barnaby Norris and Sebastien Vievard",
note = "Publisher Copyright: {\textcopyright} 2023 SPIE.; Techniques and Instrumentation for Detection of Exoplanets XI 2023 ; Conference date: 21-08-2023 Through 24-08-2023",
year = "2023",
doi = "10.1117/12.2677054",
language = "English (US)",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "SPIE",
editor = "Ruane, {Garreth J.}",
booktitle = "Techniques and Instrumentation for Detection of Exoplanets XI",
}