Photonic circuits written by femtosecond laser in glass: improved fabrication and recent progress in photonic devices

D Tan, Z Wang, B Xu, J Qiu - Advanced Photonics, 2021 - spiedigitallibrary.org
Integrated photonics is attracting considerable attention and has found many applications in
both classical and quantum optics, fulfilling the requirements for the ever-growing complexity …

Bespoke photonic devices using ultrafast laser driven ion migration in glasses

TT Fernandez, M Sakakura, SM Eaton, B Sotillo… - Progress in Materials …, 2018 - Elsevier
This Review provides an exhaustive and detailed description of ion migration phenomena
which occur inside transparent dielectric media due to the interaction with intense ultrashort …

First on-sky demonstration of an integrated-photonic nulling interferometer: the GLINT instrument

BRM Norris, N Cvetojevic, T Lagadec… - Monthly Notices of …, 2020 - academic.oup.com
The characterization of exoplanets is critical to understanding planet diversity and formation,
their atmospheric composition, and the potential for life. This endeavour is greatly enhanced …

Femtosecond laser written photonic and microfluidic circuits in diamond

V Bharadwaj, O Jedrkiewicz, JP Hadden… - Journal of Physics …, 2019 - iopscience.iop.org
Diamond has attracted great interest in the quantum optics community thanks to its nitrogen
vacancy (NV) center, a naturally occurring impurity that is responsible for the pink coloration …

Sr6Ge3OSe11: A Rationally Designed Noncentrosymmetric Oxyselenide with Polar [GeOSe3] Building Blocks

LT Menezes, E Gage, A Assoud, M Liang… - Chemistry of …, 2023 - ACS Publications
The strategy of partial isovalent anion substitution was used to discover the new
noncentrosymmetric (NCS) quaternary oxyselenide Sr6Ge3OSe11. Sr6Ge3OSe11 …

Astrophotonic spectrographs

P Gatkine, S Veilleux, M Dagenais - Applied Sciences, 2019 - mdpi.com
Astrophotonics is the application of photonic technologies to channel, manipulate, and
disperse light from one or more telescopes to achieve scientific objectives in astronomy in …

Femtosecond laser direct-written fiber Bragg gratings with high reflectivity and low loss at wavelengths beyond 4 µm

G Bharathan, TT Fernandez, M Ams, JY Carrée… - Optics letters, 2020 - opg.optica.org
We report on the fabrication of, to the best of our knowledge, the first highly reflective fiber
Bragg gratings for the 4 µm wavelength range. A second-order grating with a coupling …

Femtosecond laser-induced large area of periodic structures on chalcogenide glass via twice laser direct-writing scanning process

X Yu, Q Zhang, D Qi, S Tang, S Dai, P Zhang… - Optics & Laser …, 2020 - Elsevier
We presented a theoretical and experimental study for the evolution of femtosecond laser
direct-writing induced large area of periodic surface structures on As 2 S 3 glass. The laser …

Photosensitivity of barium germano-gallate glasses under femtosecond laser direct writing for Mid-IR applications

H Yao, R Zaiter, M Cavillon, B Sapaly, F Calzavara… - Ceramics …, 2021 - Elsevier
Barium germano-gallate glasses are attractive glass hosts for photonic applications in the
mid-infrared region up to 6 μm. In this work, we investigate the photosensitivity of such …

Towards a photonic mid-infrared nulling interferometer in chalcogenide glass

T Gretzinger, S Gross, A Arriola, MJ Withford - Optics Express, 2019 - opg.optica.org
Nulling interferometry enables astronomers to advance beyond the resolving power of
ground-based telescopes with the goal of directly detecting exo-planets. By diminishing the …