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Incoherent light imaging using an optical phased array

delete2020-01-22
delete28
PRE
AI
H
Hannah Clevenson *
S
S. J. Spector
L
Lucas Benney
M
Michael Moebius
J
Julian Brown
A
A. E. Hare
A
Alex Huang
J
Jacqueline Mlynarczyk
C
Christopher V. Poulton
E
Ehsan Shah Hosseini
M
Michael R. Watts
R
Robin M. A. Dawson
J
Juha-Pekka Laine
B
Benjamin F. Lane
DOI：10.1063/1.5130697delete
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Abstract

Abstract

En 中文
Recent advances in silicon photonics have enabled large-scale optical phased arrays for applications such as beam steering and directional light detection. However, to date, these results have only been applied to coherent light. Many applications, including passive imaging with natural illumination, require operation using incoherent and/or broadband light. Here, we implement an optical phased array designed for these applications using a planar, fractal, path length-matching architecture known as an H-tree. We demonstrate electronic beamsteering and natural light imaging using this flat, broadband, photonic-integrated device.
Keywords:
BROAD-BAND
EFFICIENCY
APERTURE
LENSES
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Journal

Applied Physics Letters cover
Applied Physics Letters
IF:
3.6
Papers:
10.4W
Citations:
17.8W

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No organization information available