Highly-stable laser-based underwater radio-frequency transfer with electronic phase compensation
Sign Up to like & getrecommendations! Published in 2019 at "Optics Communications"
DOI: 10.1016/j.optcom.2019.07.012
Abstract: Abstract We demonstrate a highly-stable laser-based underwater radio frequency transfer with electronic phase compensation technique. A 100 MHz radio-frequency signal has been transferred over a 5-m underwater link with this frequency transfer scheme. To evaluate… read more here.
Keywords: frequency; radio frequency; electronic phase; transfer ... See more keywords
Simple Stabilized Radio-Frequency Transfer With Optical Phase Actuation
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2017.2785363
Abstract: We describe and experimentally evaluate a stabilized radio-frequency transfer technique that employs optical phase sensing and optical phase actuation. This technique is achieved by modifying existing optical frequency transfer equipment and also exhibits advantages over… read more here.
Keywords: frequency; radio; frequency transfer; tex math ... See more keywords
Free-Space Point-to-Multiplepoint Optical Frequency Transfer With Lens Assisted Integrated Beam Steering
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3191656
Abstract: We report on the realization of high-performance silica integrated 2-D lens assisted beam steering (LABS) arrays along with the first-of-their-kind point-to-multiplepoint optical frequency transfer. The LABS equips with $N$ antennas and has the capability to… read more here.
Keywords: inline formula; frequency; free space; frequency transfer ... See more keywords
Out-of-Band Fibre-Optic Time and Frequency Transfer Using Asymmetric and Symmetric Opto-Electronic Repeaters.
Sign Up to like & getrecommendations! Published in 2023 at "IEEE transactions on ultrasonics, ferroelectrics, and frequency control"
DOI: 10.1109/tuffc.2023.3271371
Abstract: Signal repeaters for fibre-optic communication can be realized with back-to-back connected transceivers. This configuration can provide high gain (≈30 dB) at low cost, and the needed semiconductor lasers and modulators can be realized for practically… read more here.
Keywords: time frequency; time; frequency; fibre optic ... See more keywords
Cost-effective demonstration of fiber-optic frequency transfer.
Sign Up to like & getrecommendations! Published in 2020 at "Applied optics"
DOI: 10.1364/ao.403634
Abstract: In this paper, we demonstrate a cost-effective solution for fiber-optic frequency transfer. By employing the commercially available small form pluggable (SFP) transceivers and other components for telecom, the scheme is compatible with the existing telecom… read more here.
Keywords: frequency transfer; frequency; optic frequency; fiber optic ... See more keywords
Design of nonlinearly spaced phase-shifting algorithms using their frequency transfer function.
Sign Up to like & getrecommendations! Published in 2019 at "Applied optics"
DOI: 10.1364/ao.58.001134
Abstract: Here we show how to design phase-shifting algorithms (PSAs) for nonuniform/nonlinear (NL) phase-shifted fringe patterns using their frequency transfer function (FTF). Assuming that the NL phase steps are known, we introduce the desired zeroes in… read more here.
Keywords: transfer function; phase shifting; frequency transfer; using frequency ... See more keywords
Characterization of optical frequency transfer over 154 km of aerial fiber.
Sign Up to like & getrecommendations! Published in 2017 at "Optics letters"
DOI: 10.1364/ol.42.002197
Abstract: We present measurements of the frequency transfer stability and analysis of the noise characteristics of an optical signal propagating over aerial suspended fiber links up to 153.6 km in length. The measured frequency transfer stability over… read more here.
Keywords: frequency; frequency transfer; characterization optical; optical frequency ... See more keywords
Highly stable multiple-access underwater frequency transfer with terminal phase compensation.
Sign Up to like & getrecommendations! Published in 2021 at "Optics letters"
DOI: 10.1364/ol.435967
Abstract: A multiple-access underwater frequency transfer scheme using terminal phase compensation is demonstrated. With this scheme, a highly stable 100 MHz frequency signal was disseminated over a 3 m underwater link for 5000 s. The timing… read more here.
Keywords: access underwater; multiple access; frequency; frequency transfer ... See more keywords
Passive phase noise compensation for fiber-optic radio frequency transfer with a nonsynchronized source
Sign Up to like & getrecommendations! Published in 2018 at "Chinese Optics Letters"
DOI: 10.3788/col201816.100602
Abstract: We propose a passive compensation fiber-optic radio frequency (RF) transfer scheme with a nonsynchronized RF stable source during a round-trip time, which can avoid high-precision phase-locking and efficiently suppress the effect of backscattering only using… read more here.
Keywords: optic radio; frequency; frequency transfer; fiber ... See more keywords