High-resolution aliasing-free optical beam steering
David N. Hutchison,Jie Sun,Jonathan K. Doylend,Ranjeet Kumar,John Heck,Woosung Kim,Christopher T. Phare,Avi Feshali,Haisheng Rong +8 more
- Vol. 3, Iss: 8, pp 887-890
TLDR
In this paper, a two-axis steerable optical phased array with over 500 resolvable spots and 80° steering in the phased array axis (measurement limited) and a record small divergence in both axes (0.14°).Abstract:
Many applications, including laser (LIDAR) mapping, free-space optical communications, and spatially resolved optical sensors, demand compact, robust solutions to steering an optical beam. Fine target addressability (high steering resolution) in these systems requires simultaneously achieving a wide steering angle and a small beam divergence, but this is difficult due to the fundamental trade-offs between resolution and steering range. So far, to our knowledge, chip-based two-axis optical phased arrays have achieved a resolution of no more than 23 resolvable spots in the phased-array axis. Here we report, using non-uniform emitter spacing on a large-scale emitter array, a dramatically higher-performance two-axis steerable optical phased array fabricated in a 300 mm CMOS facility with over 500 resolvable spots and 80° steering in the phased-array axis (measurement limited) and a record small divergence in both axes (0.14°). Including the demonstrated steering range in the other (wavelength-controlled) axis, this amounts to two-dimensional beam steering to more than 60,000 resolvable points.read more
Citations
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Journal ArticleDOI
Coherent solid-state LIDAR with silicon photonic optical phased arrays
Christopher V. Poulton,Ami Yaacobi,David B. Cole,Matthew J. Byrd,Manan Raval,Diedrik Vermeulen,Michael R. Watts +6 more
TL;DR: This first demonstration of coherent solid-state light detection and ranging (LIDAR) using optical phased arrays in a silicon photonics platform is presented and paves the way for disruptive low-cost and compact LIDAR on-chip technology.
Journal ArticleDOI
Long-Range LiDAR and Free-Space Data Communication With High-Performance Optical Phased Arrays
Christopher V. Poulton,Matthew J. Byrd,Peter Russo,Erman Timurdogan,Murshed Khandaker,Diedrik Vermeulen,Michael R. Watts +6 more
TL;DR: In this paper, high-performance integrated optical phased arrays along with first-of-their-kind light detection and ranging (LiDAR) and free-space data communication demonstrators are presented.
Journal ArticleDOI
Large-scale silicon nitride nanophotonic phased arrays at infrared and visible wavelengths.
Christopher V. Poulton,Matthew J. Byrd,Manan Raval,Zhan Su,Nanxi Li,Erman Timurdogan,Douglas D. Coolbaugh,Diedrik Vermeulen,Michael R. Watts +8 more
TL;DR: Using the same silicon nitride platform and phased array architecture, it is demonstrated that the first large-aperture visible nanophotonic phased array at 635 nm with an aperture size of 0.064°×0.074° is demonstrated, to the best of the authors' knowledge.
Journal ArticleDOI
A Monolithically Integrated Large-Scale Optical Phased Array in Silicon-on-Insulator CMOS
TL;DR: A large-scale monolithic silicon nanophotonic phased array on a chip creates and dynamically steers a high-resolution optical beam in free space, enabling emerging applications in sensing, imaging, and communication.
Journal ArticleDOI
Large-scale optical phased array using a low-power multi-pass silicon photonic platform
Steven A. Miller,You-Chia Chang,Christopher T. Phare,Min Chul Shin,Moshe Zadka,Samantha P. Roberts,Brian Stern,Xingchen Ji,Aseema Mohanty,Oscar A. Jimenez Gordillo,Utsav D. Dave,Michal Lipson +11 more
TL;DR: In this paper, a multi-pass photonic platform is integrated into a large-scale phased array that reduces phase shifter power consumption by nearly 9 times, without sacrificing speed or optical bandwidth.
References
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Journal ArticleDOI
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Jonathan K. Doylend,Martijn J. R. Heck,Jock Bovington,Jonathan D. Peters,Larry A. Coldren,John E. Bowers +5 more
TL;DR: A 16-channel, independently tuned waveguide surface grating optical phased array in silicon for two dimensional beam steering with a total field of view of 20° x 14° and full-window background peak suppression of 10 dB is demonstrated.
Journal ArticleDOI
Off-chip beam steering with a one-dimensional optical phased array on silicon-on-insulator
TL;DR: An integrated approach is followed in which a 1D optical phased array is fabricated on silicon-on-insulator in which continuous thermo-optical steering of 2.3 degrees and wavelength steering of 14.1 degrees is reported.
Journal ArticleDOI
Fully integrated hybrid silicon two dimensional beam scanner.
Jared Hulme,Jonathan K. Doylend,Martijn J. R. Heck,Jon D. Peters,Michael L. Davenport,Jock Bovington,Larry A. Coldren,John E. Bowers +7 more
TL;DR: The photonic integrated circuit (PIC) consists of 164 optical components including lasers, amplifiers, photodiodes, phase tuners, grating couplers, splitters, and a photonic crystal lens and exhibited steering over 23° x 3.6°.