Astrophotonics-current capabilities and the road ahead

B Norris, S Gross, SG Leon-Saval, CH Betters… - Applied Optics, 2024 - opg.optica.org
Astrophotonics represents a cutting-edge approach in observational astronomy. This paper
explores the significant advancements and potential applications of astrophotonics …

LinoSPAD2: an FPGA-based, hardware-reconfigurable 512× 1 single-photon camera system

T Milanese, C Bruschini, S Burri, E Bernasconi… - Optics …, 2023 - opg.optica.org
We report on LinoSPAD2, a single-photon camera system, comprising a 512× 1 single-
photon avalanche diode (SPAD) front-end and one or two FPGA-based back-ends. Digital …

Astrometric gravitational-wave detection via stellar interferometry

MA Fedderke, PW Graham, B Macintosh, S Rajendran - Physical Review D, 2022 - APS
We evaluate the potential for gravitational-wave (GW) detection in the frequency band from
10 nHz to 1 μ Hz using extremely high-precision astrometry of a small number of stars. In …

Intensified Tpx3Cam, a fast data-driven optical camera with nanosecond timing resolution for single photon detection in quantum applications

A Nomerotski, M Chekhlov, D Dolzhenko… - Journal of …, 2023 - iopscience.iop.org
We describe a fast data-driven optical camera, Tpx3Cam, with nanosecond scale timing
resolution and 80 Mpixel/sec throughput. After the addition of intensifier, the camera is single …

High speed imaging of spectral-temporal correlations in Hong-Ou-Mandel interference

Y Zhang, D England, A Nomerotski, B Sussman - Optics Express, 2021 - opg.optica.org
In this work we demonstrate spectral-temporal correlation measurements of the Hong-Ou-
Mandel (HOM) interference effect with the use of a spectrometer based on a photon …

[HTML][HTML] Spectral characterization of an SPDC source with a fast broadband spectrometer

B Farella, G Medwig, RA Abrahao, A Nomerotski - AIP Advances, 2024 - pubs.aip.org
Knowing the properties of single photons produced in a Spontaneous Parametric Down-
Conversion (SPDC) source can be crucial for specific applications and uses. In particular …

A quantitative comparison of amplitude versus intensity interferometry for astronomy

M Bojer, Z Huang, S Karl, S Richter, P Kok… - New Journal of …, 2022 - iopscience.iop.org
Astronomical imaging can be broadly classified into two types. The first type is amplitude
interferometry, which includes conventional optical telescopes and very large baseline …

Snapshot hyperspectral imaging with quantum correlated photons

Y Zhang, D England, B Sussman - Optics Express, 2023 - opg.optica.org
Hyperspectral imaging (HSI) has a wide range of applications from environmental
monitoring to biotechnology. Conventional snapshot HSI techniques generally require a …

LinoSPAD2: A 512x1 linear SPAD camera with system-level 135-ps SPTR and a reconfigurable computational engine for time-resolved single-photon imaging

C Bruschini, S Burri, E Bernasconi… - … Sensing and Nano …, 2023 - spiedigitallibrary.org
The LinoSPAD2 camera combines a 512× 1 linear single-photon avalanche diode (SPAD)
array with an FPGA-based photon-counting and time-stamping platform, to create a …

Towards quantum telescopes: demonstration of a two-photon interferometer for precision astrometry

J Crawford, D Dolzhenko, M Keach, A Mueninghoff… - Optics …, 2023 - opg.optica.org
Classical optical interferometry requires maintaining live, phase-stable links between
telescope stations. This requirement greatly adds to the cost of extending to long baseline …