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arrayed waveguide grating 1exoplanet instrumentation 1near-infrared spectroscopy 1on-sky testing 1photonic spectrograph 1

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1 paper

astro-ph.IM2026

Characterization and on-sky testing of photonic, AWG-based astronomical spectrographs

Jeronimo Calderon-Gomez, Frantz Martinache, Nick Cvetojevic +14

The paper presents the characterization of arrayed‑waveguide grating (AWG) photonic chips and their on‑sky testing with a high‑resolution near‑infrared spectrograph prototype, demo…