Optical Retroreflective Marker Fabricated on Silicon-On-Insulator

Acoleyen, Karel Van; O’Brien, Dominic; Payne, F.P.; Bogaerts, Wim; Baets, Roel

doi:10.1109/jphot.2011.2164783

Cited by 6 publications

(4 citation statements)

References 16 publications

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“…These applications include emitting various types of beams, such as orbital beams [122], quasi-Bessel beams [123], and focusing beams [124], as well as imaging by combining multiple scanning points [125][126][127]. OPAs can also function as receivers by detecting the emitting angle of an incoming beam [128], allowing for the creation of directional reflectors [129] and OPA cameras [130]. By combining the receiving and emitting capabilities of OPAs, optical transceivers can be developed [131][132][133], enabling wireless communication with directional links [77,[134][135][136][137][138] and also underwater wireless communication [139,140].…”

Section: Other Applicationsmentioning

confidence: 99%

Photonic Integrated Circuits for an Optical Phased Array

Yi,

Wu,

Kakdarvishi

et al. 2024

Photonics

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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)-based OPAs. It begins by addressing the critical design elements at the component level necessary for optimal functionality. This review then delves into phase calibration techniques and the overarching architecture of OPAs. It concludes by emphasizing the innovative 3-D OPA design, which stands out for its enhanced optical efficiency.

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Section: Other Applicationsmentioning

confidence: 99%

Photonic Integrated Circuits for an Optical Phased Array

Yi,

Wu,

Kakdarvishi

et al. 2024

Photonics

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“…An interesting idea is to use such OPAs in a retroreflective configuration, which would align the OPA automatically to an external transceiver or source-detector combination [41]. This allows, Figure 13: PIC design layout for a fully integrated indium phosphide based OPA, including tunable laser source, phase tuners, optical amplifiers (SOAs), grating emitters, and on-chip phase calibration [38].…”

Section: Optical Phased Arrays Using Tunable Lasers For Beam Steeringmentioning

confidence: 99%

Highly integrated optical phased arrays: photonic integrated circuits for optical beam shaping and beam steering

2016

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Abstract:Technologies for efficient generation and fast scanning of narrow free-space laser beams find major applications in three-dimensional (3D) imaging and mapping, like Lidar for remote sensing and navigation, and secure free-space optical communications. The ultimate goal for such a system is to reduce its size, weight, and power consumption, so that it can be mounted on, e.g. drones and autonomous cars. Moreover, beam scanning should ideally be done at video frame rates, something that is beyond the capabilities of current opto-mechanical systems. Photonic integrated circuit (PIC) technology holds the promise of achieving low-cost, compact, robust and energy-efficient complex optical systems. PICs integrate, for example, lasers, modulators, detectors, and filters on a single piece of semiconductor, typically silicon or indium phosphide, much like electronic integrated circuits. This technology is maturing fast, driven by highbandwidth communications applications, and mature fabrication facilities. State-of-the-art commercial PICs integrate hundreds of elements, and the integration of thousands of elements has been shown in the laboratory. Over the last few years, there has been a considerable research effort to integrate beam steering systems on a PIC, and various beam steering demonstrators based on optical phased arrays have been realized. Arrays of up to thousands of coherent emitters, including their phase and amplitude control, have been integrated, and various applications have been explored. In this review paper, I will present an overview of the state of the art of this technology and its opportunities, illustrated by recent breakthroughs.

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“…[13] by eliminating the optical damage and nonlinearity bottleneck of the input coupler. While 'one-to-many' coupling techniques exist in the form of grating coupler arrays [15] or combined grating coupler and splitter devices [16], a tunable power distribution system would also be necessary to mitigate the variations in input coupling efficiency, fabrication errors, and drift experienced during the experiment. In conjunction with optical phase control and long-range beam-focusing [17], a reconfigurable power distribution mechanism would be an essential component for scaling DLA from proof-of principle length scales of 100's of µm to the scale of modern accelerators.…”

Section: Introductionmentioning

confidence: 99%

Reconfigurable Photonic Circuit for Controlled Power Delivery to Laser-Driven Accelerators on a Chip

2019

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Dielectric laser acceleration (DLA) represents a promising approach to building miniature particle accelerators on a chip. However, similar to conventional RF accelerators, an automatic and reconfigurable control mechanism is needed to scale DLA technology towards high energy gains and practical applications. We present a system providing control of the laser coupling to DLA using integrated optics and introduce a novel component for power distribution using a reconfigurable mesh of Mach-Zehnder interferometers. We show how such a mesh may be sequentially and efficiently tuned to optimize power distribution in the circuit and find that this strategy has favorable scaling properties with respect to size of the mesh.

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Optical Retroreflective Marker Fabricated on Silicon-On-Insulator

Cited by 6 publications

References 16 publications

Photonic Integrated Circuits for an Optical Phased Array

Photonic Integrated Circuits for an Optical Phased Array

Highly integrated optical phased arrays: photonic integrated circuits for optical beam shaping and beam steering

Reconfigurable Photonic Circuit for Controlled Power Delivery to Laser-Driven Accelerators on a Chip

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