Off-axis two-mirror laser communication antenna designed using differential equations
Sign Up to like & getrecommendations! Published in 2017 at "Frontiers of Optoelectronics"
DOI: 10.1007/s12200-017-0710-z
Abstract: In satellite laser communication technology, which is built between planets and between a planet and the Earth, the optical antenna is the key point. Thus, research on optical system design is important. The off-axis reflective… read more here.
Keywords: two mirror; laser communication; system; axis ... See more keywords
Experimental results of atmospheric coherent optical communications with adaptive optics
Sign Up to like & getrecommendations! Published in 2019 at "Optics Communications"
DOI: 10.1016/j.optcom.2018.10.013
Abstract: Abstract Although there is an urgent need, it is still a significant challenge to establish high-speed laser communication links between satellites to ground stations owing to the influence of atmospheric turbulence. Adaptive optics (AO) is… read more here.
Keywords: ground; experimental results; adaptive optics; laser communication ... See more keywords
Beacon correction method for inter-satellite laser communication
Sign Up to like & getrecommendations! Published in 2021 at "Optics Communications"
DOI: 10.1016/j.optcom.2021.127035
Abstract: Abstract Positioning errors are caused by wavefront distortion owing to the thermal deformation of optical systems. To address this issue, we propose a restoration algorithm to correct for the beacon centroid, which is important for… read more here.
Keywords: satellite laser; inter satellite; communication; laser communication ... See more keywords
Experimental Study on Photodiode Array Sensor Aided MEMS Fine Steering Mirror Control for Laser Communication Platforms
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3096816
Abstract: Line-of-sight laser communication application scenarios are numerous including land, mobile, maritime, airborne and space platforms for conventional and tactical utilization. However, beam pointing and stabilization are complicated in dynamic systems such as orbiting satellite to… read more here.
Keywords: mems fine; control; laser communication; sensor ... See more keywords
Design and evaluation of a high-sensitivity digital receiver with the finite impulse response filter algorithm for free-space laser communication
Sign Up to like & getrecommendations! Published in 2020 at "Optical Engineering"
DOI: 10.1117/1.oe.59.3.036105
Abstract: Abstract. We discuss the design of a digital laser communication receiver and its sensitivity test process. Laser communication is especially suitable for long-distance low-power micro–nano satellite links due to its narrow beam width, but the… read more here.
Keywords: communication; laser communication; sensitivity; receiver ... See more keywords
Performance of an OFDM STBC-MISO system in uplink terrestrial-satellite laser communication.
Sign Up to like & getrecommendations! Published in 2021 at "Applied optics"
DOI: 10.1364/ao.413205
Abstract: We propose a space-time block coded multiple input single output (STBC-MISO) terrestrial-satellite laser communication uplink system based on orthogonal frequency division multiplexing (OFDM) modulation. It further uses Málaga distribution to simulate near-ground turbulence. Considering the… read more here.
Keywords: satellite laser; laser communication; system; terrestrial satellite ... See more keywords
High-dynamic wavelength tracking and millimeter-level ranging inter-satellite laser communication link with feedback-homodyne detection.
Sign Up to like & getrecommendations! Published in 2019 at "Applied optics"
DOI: 10.1364/ao.58.005687
Abstract: The Integrated Laser Communication/Ranging System, which uses a coded signal as the ranging information carrier, is of great importance to the next large-capacity inter-satellite information network. In this paper, a system design with a high-sensitivity… read more here.
Keywords: dynamic wavelength; feedback homodyne; laser communication; inter satellite ... See more keywords
Multi-dimensional and large-sized optical phased array for space laser communication.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.447351
Abstract: In this study, we propose a novel multi-dimensional and large-sized optical phased array theory for space laser communication that addresses the theoretical limitations of the conventional optical phased array. We theoretically analyzed the principle of… read more here.
Keywords: phased array; laser communication; space laser; optical phased ... See more keywords
Multi-target free-space laser communication system based on a rotating double prism with an RF signal beacon.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.461298
Abstract: Traditional free-space laser communication systems use beacon and signal lights for target detection and alignment. However, these approaches are inaccurate owing to signal dispersion errors. To overcome this difficulty, we propose a new method using… read more here.
Keywords: communication; space laser; laser communication; multi target ... See more keywords
Energy-efficient routing based on a genetic algorithm for satellite laser communication.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.486124
Abstract: Low earth orbit satellite laser communication has become an important part of communications due to its large capacity and low latency. The lifetime of the satellite mainly depends on the recharge and discharge cycles of… read more here.
Keywords: satellite laser; laser communication; energy efficient; efficient routing ... See more keywords
Space optical communication system with a sub-second acquisition time.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.475437
Abstract: Acquisition is the key technology in space laser communication and the nodus in communication-link establishment. Traditional laser communication demands too long an acquisition time to meet the requirements of a space optical communication network and… read more here.
Keywords: time; communication; space; communication system ... See more keywords