306 citations · 684 across the 22 of their papers we have counts for
22 papers
Development and Space-Qualification of a Miniaturized CubeSat's 2-W EDFA for Space Laser Communications
Alberto Carrasco-Casado, Koichi Shiratama, Dimitar Kolev +4
The Japanese National Institute of Information and Communications Technology (NICT) is currently developing a high-performance laser-communication terminal for CubeSats aiming at p…
NICT's versatile miniaturized lasercom terminals for moving platforms
Alberto Carrasco-Casado, Koichi Shiratama, Phuc V. Trinh +5
With the goal of meeting the diverse requirements of many different types of platforms, ranging from small drones to big satellites, and being applied in a variety of diverse scena…
Prototype Development and Validation of a Beam-Divergence Control System for Free-Space Laser Communications
Alberto Carrasco-Casado, Koichi Shiratama, Dimitar Kolev +9
Being able to dynamically control the transmitted-beam divergence can bring important advantages in free-space optical communications. Specifically, this technique can help to opti…
Development of a miniaturized laser-communication terminal for small satellites
Alberto Carrasco-Casado, Koichi Shiratama, Phuc V. Trinh +5
Free-space optical communication is becoming a mature technology that has been demonstrated in space a number of times in the last few years. The Japanese National Institute of Inf…
Free-space optical links for space communication networks
Alberto Carrasco-Casado, Ramon Mata-Calvo
Future spacecraft will require a paradigm shift in the way the information is transmitted due to the continuous increase in the amount of data requiring space links. Current radiof…
Intersatellite-link demonstration mission between CubeSOTA (LEO CubeSat) and ETS9-HICALI (GEO satellite)
Alberto Carrasco-Casado, Phong Xuan Do, Dimitar Kolev +7
LEO-to-GEO intersatellite links using laser communications bring important benefits to greatly enhance applications such as downloading big amounts of data from LEO satellites by u…
Optical communication on CubeSats - Enabling the next era in space science
Alberto Carrasco-Casado, Abhijit Biswas, Renny Fields +4
CubeSats are excellent platforms to rapidly perform simple space experiments. Several hundreds of CubeSats have already been successfully launched in the past few years and the num…
QKD from a microsatellite: the SOTA experience
Alberto Carrasco-Casado, Hideki Takenaka, Mikio Fujiwara +3
The transmission and reception of polarized quantum-limited signals from space is of capital interest for a variety of fundamental-physics experiments and quantum-communication pro…
LEO-to-ground optical communications using SOTA (Small Optical TrAnsponder) - Payload verification results and experiments on space quantum communications
Alberto Carrasco-Casado, Hideki Takenaka, Dimitar Kolev +8
Free-space optical communications have held the promise of revolutionizing space communications for a long time. The benefits of increasing the bitrate while reducing the volume, m…
Satellite-to-ground quantum communication using a 50-kg-class micro-satellite
Hideki Takenaka, Alberto Carrasco-Casado, Mikio Fujiwara +3
Recent rapid growth in the number of satellite-constellation programs for remote sensing and communications, thanks to the availability of small-size and low-cost satellites, provi…
Space QUEST mission proposal: Experimentally testing decoherence due to gravity
Siddarth Koduru Joshi, Jacques Pienaar, Timothy C. Ralph +42
Models of quantum systems on curved space-times lack sufficient experimental verification. Some speculative theories suggest that quantum properties, such as entanglement, may exhi…
Free-Space Quantum Key Distribution
Alberto Carrasco-Casado, Verónica Fernández, Natalia Denisenko
Based on the firm laws of physics rather than unproven foundations of mathematical complexity, quantum cryptography provides a radically different solution for encryption and promi…
Design of an optical-communication link with Mars
Alberto Carrasco-Casado
The possibility of using optical communications in free-space as an improvement of current RF communication systems was analyzed in this Project. The particular case of a link Mars…
Ground-based gamma-ray telescopes as ground stations in deep-space lasercom
Alberto Carrasco-Casado, Jose Manuel Sanchez-Pena, Ricardo Vergaz
As the amount of information to be transmitted from deep-space rapidly increases, the radiofrequency technology has become a bottleneck in space communications. RF is already limit…
Chromatic effects in beam wander correction for free-space quantum communications
Alberto Carrasco-Casado, Natalia Denisenko, Veronica Fernandez
Beam wander caused by atmospheric turbulence can significantly degrade the performance of horizontal free-space quantum communication links. Classical beam wander correction techni…
CTA telescopes as deep-space lasercom ground receivers
Alberto Carrasco-Casado, Jose Manuel Sanchez-Pena, Ricardo Vergaz
The amount of scientific data to be transmitted from deep-space probes is very limited due to RF-communications constraints. Free-space optical communication can alleviate this bot…
Low-Impact Air-to-Ground Free-Space Optical Communication System Design and First Results
Alberto Carrasco-Casado, Eva Oton, Ricardo Vergaz +3
An air-to-ground free-space optical communication system has been designed and partially developed. The design covers both the communications between the airborne and the ground st…
Design and early development of a UAV terminal and a ground station for laser communications
Alberto Carrasco-Casado, Ricardo Vergaz, Jose M. Sanchez-Pena
A free-space laser communication system has been designed and partially developed as an alternative to standard RF links from UAV to ground stations. This project belongs to the SI…
High-speed free-space quantum key distribution with automatic tracking for short-distance urban links
Alberto Carrasco-Casado, Maria-Jose Garcia-Martinez, Natalia Denisenko +1
High-speed free-space quantum key distribution located in urban environment offers an interesting alternative to public key encryption - whose security strength is yet to be mathem…
Contributions to free-space optical communications: feasibility of utilizing Cherenkov telescopes as receivers and beam-wander correction in quantum communications
Alberto Carrasco-Casado
This thesis focuses on the two main applications where free-space optical communication (FSOC) can bring the most significant impact: interplanetary communications and quantum comm…
Correction of beam wander for a free-space quantum key distribution system operating in urban environment
Alberto Carrasco-Casado, Natalia Denisenko, Veronica Fernandez
Free-space quantum key distribution links in urban environment have demanding operating needs, such as functioning in daylight and under atmospheric turbulence, which can dramatica…
Feasibility of utilizing Cherenkov Telescope Array gamma-ray telescopes as free-space optical communication ground stations
Alberto Carrasco-Casado, Mariafernanda Vilera, Ricardo Vergaz +1
The signals that will be received on Earth from deep-space probes in future implementations of free-space optical communication will be extremely weak, and new ground stations will…