2023 astrophotonics roadmap: pathways to realizing multi-functional integrated astrophotonic instruments

N Jovanovic, P Gatkine, N Anugu… - Journal of Physics …, 2023‏ - iopscience.iop.org
Photonic technologies offer numerous functionalities that can be used to realize
astrophotonic instruments. The most spectacular example to date is the ESO Gravity …

[HTML][HTML] A short guide to recent developments in laser-based gas phase spectroscopy, applications, and tools

V Shumakova, OH Heckl - APL Photonics, 2024‏ - pubs.aip.org
This article provides an overview of laser-based absorption spectroscopy applications and
discusses the parameter space and requirements of laser systems for each of these …

Broadband 1-GHz mid-infrared frequency comb

N Hoghooghi, S **ng, P Chang, D Lesko… - Light: Science & …, 2022‏ - nature.com
Mid-infrared (MIR) spectrometers are invaluable tools for molecular fingerprinting and hyper-
spectral imaging. Among the available spectroscopic approaches, GHz MIR dual-comb …

[HTML][HTML] Noise measurement and reduction in mode-locked lasers: Fundamentals for low-noise optical frequency combs

H Tian, Y Song, M Hu - Applied Sciences, 2021‏ - mdpi.com
After five decades of development, mode-locked lasers have become significant building
blocks for many optical systems in scientific research, industry, and biomedicine. Advances …

Architecture for microcomb-based GHz-mid-infrared dual-comb spectroscopy

C Bao, Z Yuan, L Wu, MG Suh, H Wang, Q Lin… - Nature …, 2021‏ - nature.com
Dual-comb spectroscopy (DCS) offers high sensitivity and wide spectral coverage without
the need for bulky spectrometers or mechanical moving parts. And DCS in the mid-infrared …

Visible-to-mid-IR tunable frequency comb in nanophotonics

A Roy, L Ledezma, L Costa, R Gray, R Sekine… - Nature …, 2023‏ - nature.com
Optical frequency comb is an enabling technology for a multitude of applications from
metrology to ranging and communications. The tremendous progress in sources of optical …

High-speed quantum cascade detector characterized with a mid-infrared femtosecond oscillator

J Hillbrand, L Matthieu Krüger, S Dal Cin, H Knötig… - Optics …, 2021‏ - opg.optica.org
Quantum cascade detectors (QCD) are photovoltaic mid-infrared detectors based on
intersubband transitions. Owing to the sub-picosecond carrier transport between subbands …

[HTML][HTML] 20 GHz fiber-integrated femtosecond pulse and supercontinuum generation with a resonant electro-optic frequency comb

P Sekhar, C Fredrick, DR Carlson, ZL Newman… - APL Photonics, 2023‏ - pubs.aip.org
Frequency combs with mode spacing of 10–20 GHz are critical for increasingly important
applications such as astronomical spectrograph calibration, high-speed dual-comb …

Sideband-free tunable and switchable dual-wavelength mode-locked fiber laser based on the Lyot filter and spontaneous radiation peaks

J Tao, Y Fang, Y Song, P Song, L Hou, B Lu, Q Lin… - Optics …, 2022‏ - opg.optica.org
We demonstrate a compact tunable and switchable dual-wavelength fiber laser based on
the Lyot filtering effect and the spontaneous radiation peaks of gain fiber. By introducing a …

High‐Speed Fourier‐Transform Infrared Spectroscopy with Phase‐Controlled Delay Line

K Hashimoto, VR Badarla… - Laser & Photonics …, 2021‏ - Wiley Online Library
Fourier‐transform infrared spectroscopy (FTIR) is the golden standard of mid‐infrared (MIR)
molecular spectroscopic analysis through optically encoded vibrational signatures …