3 papers
astro-ph.IM2026
Silencing the stellar glare with kernel-nulling and active phase control on photonic chips
Marc-Antoine Martinod, Vincent Foriel, Nick Cvetojevic +4
Characterizing exoplanets and finding biosignatures are among the hottest topics in astronomy. This quest is challenged by the brightness contrast between the faint planet and the…
astro-ph.IM2026
Characterization and on-sky testing of photonic, AWG-based astronomical spectrographs
Jeronimo Calderon-Gomez, Frantz Martinache, Nick Cvetojevic +14
Astrophotonics is a field that intends to meet the needs of next-generation instruments at a small footprint, low cost, and high stability, compared to bulk-optics-based alternativ…
astro-ph.IM2025
Tunable Kernel-Nulling interferometry for direct exoplanet detection
Vincent Foriel, Frantz Martinache, David Mary
Nulling interferometry is a promising technique for direct detection of exoplanets. However, the performance of current devices is limited by different perturbations sources and es…