Optical phased array (OPA) has been studied as an important solution for achieving all-solid-state scanning. In this work, the recent research progress in improving the beam steering performance of the OPA based on silicon photonic integrated chips was reviewed. An optimization scheme for aperiodic OPA is proposed.
Optical phased array (OPA) has been studied as an important solution for achieving all-solid-state scanning. In this work, the recent research progress in improving the
Optical phased arrays (OPAs) are renowned for their exceptional ability to manipulate and direct light beams, positioning them as an ideal choice for solid-state light
New for October 2022: Dr. Eli Brookner was a well know lecturer on phased arrays, we gathered some videos of him on this page. New for September 2018: here''s a page on cylindrical phased arrays New for December 2017: here''s a phased array tip, from Colin! Click here to go to our page on AESAs. Click here to go to our page on PESAs. Click here to go to our page on
Optical phased arrays are seen as an enabling technology for a broad range of applications such as Laser Detection And Ranging (LADAR), optical free-space communication, holographic displays, optical tweezers, and biomedical
Abstract—Large-scale optical phased arrays containing up to 64 64 nanoantennas are demonstrated on silicon photonic plat-form, representing the largest scale demonstrated to
In contrast, integrated optical phased arrays (OPAs), which enable emission and non-mechanical control of arbitrary free-space radiation patterns from compact silicon-photonics chips by applying
We present an integrated optical phased array (OPA) which embeds in-line optical amplifiers and phase modulators to provide beam-forming capability with gain and beam steering in the 1465–1590...
In recent years, optical phased arrays (OPAs) have attracted great interest for their potential applications in light detection and ranging (LiDAR), free-space optical
This book is dedicated to integrating the theory, design, processing, and test cases of photonic integrated phased arrays, and it provides a valuable reference for researchers and designers in the field of optical phased
Optical phased arrays (OPAs) are renowned for their exceptional ability to manipulate and direct light beams, positioning them as an ideal choice for solid-state light detection and ranging (LiDAR) technologies. This review provides a comprehensive examination of the current research landscape for photonic integrated circuit (PIC
Optical phased arrays are seen as an enabling technology for a broad range of applications such as Laser Detection And Ranging (LADAR), optical free-space communication, holographic
We present in this paper several integrated silicon photonic circuits for optical phased arrays. The demonstrated phased arrays by themself can find many applications such as free-space optical switching, LIDAR, optical manipulation, and even holography; moreover, as the largest silicon photonic circuit demonstrated to date with more
This book is dedicated to integrating the theory, design, processing, and test cases of photonic integrated phased arrays, and it provides a valuable reference for researchers and designers in the field of optical phased array technology.
We design and integrate four optical phased arrays (OPAs) in a single chip. Each OPA possesses different output grating period. Furthermore, we use optical switches to select one or more
In Part 1, we introduced the phased array steering concept and looked at the influencers on array gain. In Part 2, we''ll discuss grating lobes and beam squint. Grating lobes can be hard to visualize, so we''ll draw on their similarity with signal aliasing in digital converters, then use that to think of a grating lobe as a spatial alias. Next, we explore the issue of beam squint. Beam
Two-dimensional arrays of short-cavity surface-emitting THz quantum cascade lasers are phase-locked to each other via mutual coupling. A directive beam on the order of 10° divergence and a
Phased arrays are crucial in various technologies, such as radar and wireless communications, due to their ability to precisely control and steer electromagnetic waves. This precise control improves signal processing and enhances imaging performance. However,
Phased array antennas are gaining popularity for use in 5G communication technologies. Have you ever observed ants pulling sugar cubes? The size of the cube is considerably larger compared to the size of the ants. This act of nature proves that an army working together in the same direction can accomplish the same goal in less time. In wireless transmissions, antenna
In recent years, optical phased arrays (OPAs) attract great interest in potential applications for light detection and ranging (LiDAR), free space optical communications (FSO), holography and so on. Photonic integrated circuit (PIC) provides solutions for further reducing the size, weight, power and cost for OPAs. In this paper, we review the recent development of photonic integrated
<p>This completely revised third edition of an Artech House classic, Phased Array Antenna Handbook, Second Edition, offers an up-to-date and comprehensive treatment of array antennas and systems. This edition provides a wealth of new material, including expanded coverage of phased array and multiple beam antennas. New modern machine learning techniques used for
Abstract—Large-scale optical phased arrays containing up to 64 64 nanoantennas are demonstrated on silicon photonic plat-form, representing the largest scale demonstrated to date. Active phase tuning is also realized for dynamic pattern generation.
We design and integrate four optical phased arrays (OPAs) in a single chip. Each OPA possesses different output grating period. Furthermore, we use optical switches to select one or more OPAs for beam scanning. We demonstrate the longitudinal scanning by tuning the laser wavelength.
Light detection and ranging (LiDAR) is widely used in scenarios such as autonomous driving, imaging, remote sensing surveying, and space communication due to its advantages of high ranging accuracy and large
讲座名称：Phased Array Technique for Wireless Power Transmission. 讲座人：陆明宇 教授. 讲座时间：12月25日8:00-12:00. 地点：北校区会议中心203报告厅. 讲座人介绍： 陆明宇分别于1995年和1997年获得清华大学电气工程学士和硕士学位,并于2002年获得伊利诺伊大学厄巴纳-香槟分校电气工程博士学位。从2002年到2005年
We present in this paper several integrated silicon photonic circuits for optical phased arrays. The demonstrated phased arrays by themself can find many applications such as free-space
We present an integrated optical phased array (OPA) which embeds in-line optical amplifiers and phase modulators to provide beam-forming capability with gain and beam steering in the 1465–1590...
Phased arrays are crucial in various technologies, such as radar and wireless communications, due to their ability to precisely control and steer electromagnetic waves. This precise control improves signal processing and enhances imaging performance. However, extending phased arrays to the terahertz (THz) frequency range has proven challenging,
In recent years, optical phased arrays (OPAs) have attracted great interest for their potential applications in light detection and ranging (LiDAR), free-space optical communications (FSOs), holography, and so on. Photonic integrated circuits (PICs) provide solutions for further reducing the size, weight, power, and cost of OPAs. In
Phased array transducers come in a wide range of sizes, shapes, frequencies, and number of elements, but they all contain a piezoelectric element that has been divided into a number of segments. Contemporary phased array transducers for industrial NDT applications are typically constructed around piezocomposite materials, which are made up of many tiny, thin rods of
olographic displays, optical tweezers, and biomedical sensing. With the aide of the Complementary Metal-Oxide-Semiconductor (CMOS) technology, optical phased arrays hold promise for large-scale integration of a large number of optical antenn
IV. CONCLUSION Silicon photonics combined with the well-established CMOS fabrication technology, large-scale optical phased ar- rays are demonstrated with the ability to project sophisticated and dynamic patterns in the far field, representing the largest and most complex optical phased array demonstrated to date.
Abstract: We design and integrate four optical phased arrays (OPAs) in a single chip. Each OPA possesses different output grating period. Furthermore, we use optical switches to select one or more OPAs for beam scanning. We demonstrate the longitudinal scanning by tuning the laser wavelength.
Optical phased array (OPA) has been studied as an important solution for achieving all-solid-state scanning. In this work, the recent research progress in improving the beam steering performance of the OPA based on silicon photonic integrated chips was reviewed. An optimization scheme for aperiodic OPA is proposed. 1. Introduction
R, optical switching, optical coherence tomography (OCT), etc. With the aide of a CMOS circuitry to address and control the voltage applied to each antenna unit, the active phased array can be extended well beyond the current 8×8 case to include thousands or even million of antennas so as to dynamically project complex 3D images in the f
Liu, Y.; Hu, H. Silicon optical phased array with a 180-degree field of view for 2D optical beam steering. Optica 2022, 9, 903–907. [Google Scholar] [CrossRef]
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