Photonic technologies offer numerous functionalities that can be used to realize
astrophotonic instruments. The most spectacular example to date is the ESO Gravity …

Photonic lanterns (PLs) are tapered waveguides that gradually transition from a multimode
fiber geometry to a bundle of single-mode fibers (SMFs). They can efficiently couple …

We present numerical characterizations of the wavefront sensing performance for few-mode
photonic lantern wavefront sensors (PLWFSs). These characterizations include calculations …

Context. Photonic lanterns (PLs) are waveguide devices enabling high-throughput single-
mode spectroscopy and high angular resolution. Aims. We aim to present the first on-sky …

We investigate the potential of photonic lantern (PL) fiber-fed spectrometers for two-
dimensional spectroastrometry. Spectroastrometry, a technique for studying small angular …

A focal plane wavefront sensor offers major advantages to adaptive optics, including
removal of non-commonpath error and providing sensitivity to blind modes (such as …

Broadband low-resolution near-infrared spectrographs in a compact form are crucial for
ground-and space-based astronomy and other fields of sensing. Astronomical spectroscopy …

The use of a photonic lantern as focal plane wavefront sensor has seen recent widespread
interest–it can remove non-common-path aberrations, accurately sense low-wind-effect and …

Spectroastrometry, which measures wavelength-dependent shifts in the center of light, is
well-suited for studying objects whose morphology changes with wavelength at very high …

The Photonic Lantern (PL) is a novel optical technology consisting of a multi-mode fiber
adiabatically merged to several single-mode fibers. PLs efficiently split light into its individual …