Moshe Zadka
Columbia University
23 Papers
87 Citations
Moshe Zadka is an academic researcher from Columbia University. The author has contributed to research in topics: Avalanche photodiode & Phased array. The author has an hindex of 8, co-authored 21 publications. Previous affiliations of Moshe Zadka include Numonyx & Intel.
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Papers
Monolithic germanium/silicon avalanche photodiodes with 340 GHz gain-bandwidth product
Yimin Kang,Han-Din Liu,Han-Din Liu,Mike Morse,Mario J. Paniccia,Moshe Zadka,Stas Litski,Gadi Sarid,Alexandre Pauchard,Ying-Hao Kuo,Hui-Wen Chen,Wissem Sfar Zaoui,John E. Bowers,Andreas Beling,Dion McIntosh,Xiaoguang Zheng,Joe C. Campbell +16 more
TL;DR: In this paper, the authors reported a monolithically grown germanium/silicon avalanche photodetector with a gain-bandwidth product of 340 GHz, a keff of 0.09 and a sensitivity of −28 dBm at 10Gb s−1.
652
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
- 20 Jan 2020
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.
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On-chip platform for a phased array with minimal beam divergence and wide field-of-view.
Moshe Zadka,You-Chia Chang,Aseema Mohanty,Christopher T. Phare,Samantha P. Roberts,Michal Lipson +5 more
TL;DR: A platform based on silicon-nitride/silicon that achieves simultaneously minimal beam divergence and maximum field of view while maintaining performance that is robust to fabrication variations is shown.
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Chip-scale blue light phased array
Min Chul Shin,Aseema Mohanty,Kyle Watson,Gaurang R. Bhatt,Christopher T. Phare,Steven A. Miller,Moshe Zadka,Brian S. Lee,Xingchen Ji,Ipshita Datta,Michal Lipson +10 more
TL;DR: This work demonstrates the first chip-scale phased array operating at blue wavelengths (488 nm) using a high-confinement silicon nitride platform and achieves wide-angle beam steering over a 50° field of view with a full width at half-maximum beam size of 0.17°.
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512-Element Actively Steered Silicon Phased Array for Low-Power LIDAR
Steven A. Miller,Christopher T. Phare,You-Chia Chang,Xingchen Ji,Oscar A. Jimenez Gordillo,Aseema Mohanty,Samantha P. Roberts,Min Chul Shin,Brian Stern,Moshe Zadka,Michal Lipson +10 more
- 13 May 2018
TL;DR: In this article, the authors demonstrate the highest yet reported element count actively-steered optical phased array with record low array power consumption of <1.8W, using a 70 × 14 degree field of view while pumped by an integrated InP/silicon laser.
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