Integrated spatial light receivers based on inverse design

S Jiao, J Qiu, Y Chen, R Tao, W Guo, Y Li, J Wu - Optics Express, 2023 - opg.optica.org
Photonic integrated spatial light receivers play a crucial role in free space optical (FSO)
communication systems. In this paper, we propose a 4-channel and 6-channel spatial light …

End-to-end simulations of photonic phase correctors for adaptive optics systems

D Patel, M Diab, R Cheriton, J Taylor, L Rojas… - Optics …, 2024 - opg.optica.org
Optical beams and starlight distorted by atmospheric turbulence can be corrected with
adaptive optics systems to enable efficient coupling into single-mode fibers. Deformable …

Experimental demonstration of photonic phase correctors based on grating coupler arrays and thermo-optic shifters

M Diab, R Cheriton, J Taylor, D Patel, L Rojas… - arxiv preprint arxiv …, 2024 - arxiv.org
In ground-based astronomy, the ability to couple light into single-mode fibers (SMFs) is
limited by atmospheric turbulence, which prohibits the use of many astrophotonic …

Reinforcement Learning Environment for Wavefront Sensorless Adaptive Optics in Single-Mode Fiber Coupled Optical Satellite Communications Downlinks

P Parvizi, R Zou, C Bellinger, R Cheriton, D Spinello - Photonics, 2023 - mdpi.com
Optical satellite communications (OSC) downlinks can support much higher bandwidths
than radio-frequency channels. However, atmospheric turbulence degrades the optical …

Reinforcement learning-based wavefront sensorless adaptive optics approaches for satellite-to-ground laser communication

P Parvizi, R Zou, C Bellinger, R Cheriton… - arxiv preprint arxiv …, 2023 - arxiv.org
Optical satellite-to-ground communication (OSGC) has the potential to improve access to
fast and affordable Internet in remote regions. Atmospheric turbulence, however, distorts the …

On-sky demonstration of astrophotonic fiber Fabry-Pérot correlation spectroscopy

R Cheriton, E Tonita, V Artyshchuk… - Advances in Optical …, 2022 - spiedigitallibrary.org
High sensitivity spectroscopy of astronomical targets is used for determining stellar radial
velocities, exoplanet detection, and even exoplanet atmosphere sensing. However, high …

Performance estimation of photonic integrated wavefront corrector for single-mode fiber coupling

D Patel, M Diab, R Cheriton, J Taylor… - … Optics Systems IX, 2024 - spiedigitallibrary.org
Many modern astronomical instruments rely on the optimal coupling of starlight into single-
mode fibers (SMFs). For ground-based telescopes, this coupling is limited by atmospheric …

Reference-Based Wavefront Sensing and Correction Using Integrated Photonics Platform

A Amini, A Parent, S Hranilovic… - 2024 Photonics North …, 2024 - ieeexplore.ieee.org
We present a proof of concept for an integrated photonic interface designed to address the
challenge of atmospheric turbulence affecting the optical wavefront in satellite-to-ground …