SAMOA-NET
The "Spatial Multiplexing in Optical Access Networks (SAMOA-NET)" project is comprehensively investigating transmission using spatial multiplexing over
Read MoreThe "Spatial Multiplexing in Optical Access Networks (SAMOA-NET)" project is comprehensively investigating transmission using spatial multiplexing over
Read MoreThe ASH Cable comprises of two cables installed between Samoa, American Samoa and Hawaii. In addition, the Samoa-American Samoa Cable (SAS Cable) will provide inter-island communication, as
Read MoreAgainst this background, this paper contains an assessment of the current status of ICT connectivity and policies in Samoa and key stakeholders in ICT connectivity.
Read MoreFlexibility in phased antenna arrays open the world of new applications. Such arrays can conform to different shapes while ensuring
Read MoreWe present, for the first time to our knowledge, experimental demonstration of tunable optical beamforming for phased array antennas using a few-mode fiber. The double-clad step-index
Read MoreRaytheon Intelligence & Space (RIS) in El Segundo, CA is currently developing photonic integrated circuit (PIC) devices for the improved efficiency of photonics-based optical phased arrays
Read MoreIn this paper, we introduce the SDM-PON concept and compare it to traditional approaches, and we will present and discuss two promising architectures.
Read MoreAbstract Fiber lasers have been widely used in medical care, industries, and scientific research in recent years. The coherent beam combining
Read MoreAn integrated phased array transmitter chip that uses an electronically controlled photonic network for millimeter-wave generation and beam formation is developed and used to
Read MoreThis paper introduces and analyzes a revolutionary laser system architecture capable of dramatically reducing the complexity of laser systems while simultaneously increasing capability. The architecture
Read MoreThe design concept of DE-STAR is an array of phase-locked laser fiber amplifiers. A concentrated directed energy beam is formed through Figure 1. DE-STAR, a proposed laser phased array system
Read MoreIn this paper, we propose and demonstrate a high-resolution wavelength-scanning multimode fiber imaging system, enabled by an integrated optical phased array with only 8 phase
Read MoreIn the time since that groundbreaking flight, phased array antennas have remained a key part of Viasat''s satellite technology development and
Read MoreAs part of the SAMOA-Net (Spatial Multiplexing in Optical Access Networks) project funded by the German federal government, we are working on new SDM-PON concepts and architectures for
Read MorePhased array antennas are sophisticated antenna systems that use constructive and destructive interference to electronically steer a beam of radio
Read MoreY. Liu, J. Yang, and J. Yao, "Continuous true-time-delay beamforming for phased array antenna using a tunable chirped fiber grating delay line," IEEE Photonics Technol. Lett. 14, 1172–1174 (2002).
Read MoreIn this article, we report the demonstration of an integrated photonic-assisted mm-wave phased array transmitter that uses the principle of optical heterodyning for mm-wave generation and utilizes a low
Read MoreThe U.S. Army Research Laboratory''s Computational and Information Science Directorate''s Intelligent Optics Team, and partners, recently developed,
Read MoreIn a phased array, the power from the transmitter is fed to the radiating elements through devices called phase shifters, controlled by a computer system, which
Read MoreFiber laser phased array systems offer potential advantages in size, weight, efficiency, and scalability over more conventional designs, plus the promise of new capabilities and features such as
Read MoreThe phased fiber laser array (PFLA), easy to extend the scale and increase the number of beamlets, has the advantages of compact structure and flexible wavefront manipulation, which is a
Read MorePhased arrays take multiple forms. However, the four most common are the passive electronically scanned array (PESA), active electronically scanned array (AESA),
Read MoreBased on the system concept, the partners will develop the essential building blocks for data transmission: long-wavelength VCSEL and photodetector arrays, the multicore fiber, flexible coupling
Read MoreThe phased array antenna is gaining popularity with 5G communication technologies & will be a requirement in the future with advantages such as multiple beams,
Read MoreLarge-scale millimeter-wave (mm-Wave) integrated phased array is the key technology to enable broadband 5G and satellite communications. This paper details the design considerations,
Read MoreJESD204B over optical fiber enables new architecture for phased-array radars By Matt Guibord System Engineer, High-Speed Data Converters Electronically controlling the beam direction of a phased
Read MoreAbstract We present a multi-beam optical fiber phased array (OPA) with simultaneous light detection and ranging (LiDAR) and free-space optical communication (FSO) data transmission
Read MoreDigital phase shifting and beamforming enables the formation of multiple beams and can allow multiple frequency bands to be used for multi-target tracking or simultaneous missions. Aside from flexibility,
Read MoreAs a type of optical phased array technology, phased fiber laser array (PFLA) manipulates the phase of multiple beams to achieve high-power laser output and high-speed beam control. In this
Read MoreDiode-pumped fiber lasers are appealing as laser sources because they are electrically pumped, efficient, relatively simple, and scalable to significant power levels (over 100 Watts has
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