Limits and prospects for long-baseline optical fiber interferometry

C Hilweg, D Shadmany, P Walther, N Mavalvala… - arxiv preprint arxiv …, 2022 - arxiv.org
Today's most precise optical instruments--gravitational-wave interferometers and optical
atomic clocks--rely on long storage times for photons to realize their exquisite sensitivity …

Thinly coated hollow core fiber for improved thermal phase-stability performance

B Shi, H Sakr, J Hayes, X Wei, E Numkam Fokoua… - Optics Letters, 2021 - opg.optica.org
The optical phase accumulated when light propagates through an optical fiber changes with
temperature. It has been shown by various authors that this thermal phase sensitivity is …

A high-sensitivity low-temperature sensor based on Michelson interferometer in seven-core fiber

M Shao, R Zhang, H Gao, Y Liu… - IEEE Photonics …, 2021 - ieeexplore.ieee.org
An in-fiber Michelson interferometer (MI) formed by seven-core fiber (SCF) for low-
temperature sensing is proposed and experimentally demonstrated. The sensor head is …

All-fiber-based ultrastable laser with long-term frequency stability of 1.1 × 10-14

Y Huang, D Hu, M Ye, Y Wang, Y Li, M Li… - Chinese Optics …, 2023 - opg.optica.org
We demonstrate an ultrastable miniaturized transportable laser system at 1550 nm by
locking it to an optical fiber delay line (FDL). To achieve optimized long-term frequency …

Hollow-core fiber with stable propagation delay between− 150° C and+ 60° C

Z Feng, H Sakr, JR Hayes, EN Fokoua, M Ding… - Optics Letters, 2023 - opg.optica.org
Optical fibers with a low thermal coefficient of delay (TCD) have been developed for
frequency and timing transmission/distribution. However, their temperature sensitivity …

Air flowing induced thermo-optic effect for thermal sensitivity reduction in anti-resonant hollow core fibers

Y Sun, Z Liang, Y Sheng, S Gao, Z Zhang, A Jia… - Optics …, 2022 - opg.optica.org
The signal propagation delay through an optical fiber changes with environmental
temperature, imposing a fundamental limit on performances in many fiber-optic applications …

Low thermal sensitivity hollow core fiber for optically-switched data centers

KA Clark, Y Chen, ERN Fokua, T Bradley… - Journal of Lightwave …, 2020 - opg.optica.org
Optical switches offer several benefits over electronic switches, including better scalability,
lower power consumption, and lower latency. The end-to-end switching latency in optical …

Searching for scalar ultralight dark matter via refractive index changes in fibers

J Manley, R Stump, R Petery, S Singh - Physical Review D, 2023 - APS
We propose using an optical fiber-based interferometer to search for scalar ultralight dark
matter (UDM) with particle mass in the range 10-17-10-13 eV/c 2 (10-3-10 Hz). Composed of …

Fundamental thermal noise in antiresonant hollow-core fibers

V Michaud-Belleau, ER Numkam Fokoua, P Horak… - Physical Review A, 2022 - APS
Fluctuations of the optical length induced by fundamental thermal noise are known to set the
ultimate phase resolution of fiber-based interferometers. Although this noise has been …

Hollow-core fiber Fabry–Perot interferometers with reduced sensitivity to temperature

M Ding, EN Fokoua, JR Hayes, H Sakr, P Horak… - Optics Letters, 2022 - opg.optica.org
We demonstrate a 3× thermal phase sensitivity reduction for a hollow-core fiber (HCF) Fabry–
Perot interferometer by winding the already low temperature sensitivity HCF on to a spool …