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

Open access
Heck, Martijn J.R.·2017·Nanophotonics

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 high-bandwidth 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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Metadata

Authors
Heck, M. J. R.
Venue
Nanophotonics
Published
2016-06-25
Volume
6
Issue
1
Pages
93-107
ISSN
  • 2192-8606 (ISSN-L)
  • 2192-8614
OpenAlex
W2473201566
Cited by
414
References
48
FWCI
9.30
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Highly integrated optical phased arrays: photonic integrated circuits for optical beam shaping and beam steering. https://app.cochat.ai/papers/10.1515/nanoph-2015-0152
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Heck, M. J. R. (2017). Highly integrated optical phased arrays: photonic integrated circuits for optical beam shaping and beam steering. Nanophotonics. https://doi.org/10.1515/nanoph-2015-0152

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