Coherent imaging with photonic lanterns

YJ Kim, MP Fitzgerald, J Lin, S Sallum… - The Astrophysical …, 2024 - iopscience.iop.org
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 …

On the potential of spectroastrometry with photonic lanterns

YJ Kim, MP Fitzgerald, J Lin, Y **n… - Journal of …, 2024 - spiedigitallibrary.org
We investigate the potential of photonic lantern (PL) fiber-fed spectrometers for two-
dimensional spectroastrometry. Spectroastrometry, a technique for studying small angular …

Real-time experimental demonstrations of a photonic lantern wave-front sensor

JW Lin, MP Fitzgerald, Y **n, YJ Kim… - The Astrophysical …, 2023 - iopscience.iop.org
The direct imaging of an Earth-like exoplanet will require sub-nanometric wave-front control
across large light-collecting apertures to reject host starlight and detect the faint planetary …

Spectral characterization of 3-port photonic lantern for spectroastrometry

YJ Kim, MP Fitzgerald, J Lin, J Lozi… - Optical and Infrared …, 2024 - spiedigitallibrary.org
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 …

Spectral characterization of a three-port photonic lantern for application to spectroastrometry

YJ Kim, MP Fitzgerald, J Lin, J Lozi… - Journal of …, 2024 - spiedigitallibrary.org
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 …

Exploring the potential of coherent imaging using photonic lanterns with beam combiners

YJ Kim, MP Fitzgerald, J Lin, S Sallum… - … for Detection of …, 2023 - spiedigitallibrary.org
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 …

Spectral characterization of a 3-port photonic lantern for application to spectroastrometry

YJ Kim, MP Fitzgerald, J Lin, J Lozi, S Vievard… - arxiv preprint arxiv …, 2024 - arxiv.org
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 …

Fabrication and Characterization of Photonic Lanterns Using Coupled-Mode Theory

RI Becerra-Deana, G Ramadier… - arxiv preprint arxiv …, 2024 - arxiv.org
The design space for the fabrication of photonic lanterns is vast, which allows for a great
diversity of designs but also complicates finding the right parameters for a given component …

Spectroastrometry and Imaging Science with Photonic Lanterns on Extremely Large Telescopes

YJ Kim, MP Fitzgerald, J Lin, S Sallum, Y **n… - Adaptive Optics for …, 2023 - hal.science
Photonic lanterns (PLs) are tapered waveguides that gradually transition from a multi-mode
fiber geometry to a bundle of single-mode fibers. In astronomical applications, PLs can …

Co-phasing the distributed aperture of a Fizeau interferometer via photonic lanterns and machine learning

A Padrón-Brito, N Marrero… - Ground-based and …, 2024 - spiedigitallibrary.org
The advantage of large optical telescopes from the ground for high-contrast direct imaging
relies on achieving exquisite control of the incident optical wavefront. Since the exoplanet …