Robert H. Hadfield

8.6k total citations · 4 hit papers
161 papers, 5.9k citations indexed

About

Robert H. Hadfield is a scholar working on Atomic and Molecular Physics, and Optics, Artificial Intelligence and Electrical and Electronic Engineering. According to data from OpenAlex, Robert H. Hadfield has authored 161 papers receiving a total of 5.9k indexed citations (citations by other indexed papers that have themselves been cited), including 90 papers in Atomic and Molecular Physics, and Optics, 66 papers in Artificial Intelligence and 60 papers in Electrical and Electronic Engineering. Recurrent topics in Robert H. Hadfield's work include Quantum Information and Cryptography (59 papers), Advanced Optical Sensing Technologies (40 papers) and Photonic and Optical Devices (39 papers). Robert H. Hadfield is often cited by papers focused on Quantum Information and Cryptography (59 papers), Advanced Optical Sensing Technologies (40 papers) and Photonic and Optical Devices (39 papers). Robert H. Hadfield collaborates with scholars based in United Kingdom, United States and Japan. Robert H. Hadfield's co-authors include Sae Woo Nam, Michael G. Tanner, Chandra M. Natarajan, Y. Yamamoto, Gerald S. Buller, Toshimori Honjo, Hiroki Takesue, Qiang Zhang, Kiyoshi Tamaki and Mark G. Thompson and has published in prestigious journals such as Nature, Physical Review Letters and Nature Communications.

In The Last Decade

Robert H. Hadfield

150 papers receiving 5.5k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Single-photon detectors for optical quantum information applications

2009 1.1k citations Robert H. Hadfield profile →
Quantum key distribution over a 40-dB channel loss using superconducting single-photon detectors

2007 519 citations Hiroki Takesue, Sae Woo Nam et al. profile →
Quantum-dot spin–photon entanglement via frequency downconversion to telecom wavelength

2012 365 citations Chandra M. Natarajan, Robert H. Hadfield et al. profile →
On-chip quantum interference between silicon photon-pair sources

2013 344 citations Damien Bonneau, Mizunori Ezaki et al. profile →

Peers

Countries citing papers authored by Robert H. Hadfield

Since Specialization

Citations

This map shows the geographic impact of Robert H. Hadfield's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Robert H. Hadfield with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Robert H. Hadfield more than expected).

Fields of papers citing papers by Robert H. Hadfield

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Robert H. Hadfield. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Robert H. Hadfield. The network helps show where Robert H. Hadfield may publish in the future.

Co-authorship network of co-authors of Robert H. Hadfield

This figure shows the co-authorship network connecting the top 25 collaborators of Robert H. Hadfield. A scholar is included among the top collaborators of Robert H. Hadfield based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Robert H. Hadfield. Robert H. Hadfield is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Analysis of Singlet Oxygen Luminescence Generated By Protoporphyrin IX 2025 ·Antioxidants ·(unknown), (unknown), Brian C. Wilson, Timothy C. Zhu, Robert H. Hadfield	4
2	Superconducting NbxTi1−xN prepared at high deposition rates with plasma-enhanced atomic layer deposition and substrate biasing 2025 ·AVS Quantum Science ·(unknown), (unknown), (unknown), (unknown), (unknown), Marcel A. Verheijen, Michael J. Powell, L. Bailey, Robert H. Hadfield, W. M. M. Kessels, Harm C. M. Knoops	0
3	Multispectral singlet oxygen luminescence dosimetry (MSOLD) for direct singlet oxygen monitoring during in-vivo photofrin-mediated PDT 2025 ·(unknown), (unknown), Baozhu Lu, (unknown), Brian C. Wilson, Robert H. Hadfield, Timothy C. Zhu	1
4	Impact of scattering medium on singlet oxygen luminescence generation in photodynamic therapy 2025 ·(unknown), Baozhu Lu, (unknown), Brian C. Wilson, Timothy C. Zhu, Robert H. Hadfield	2
5	Multispectral singlet oxygen luminescent dosimetry (MSOLD) for Photofrin-mediated PDT 2024 ·Photodiagnosis and Photodynamic Therapy ·Timothy C. Zhu, Weibing Yang, (unknown), Robert H. Hadfield, Brian C. Wilson	1
6	Advances in superconducting nanowire devices for UV to mid-infrared single-photon detection 2024 ·Vidur Raj, (unknown), (unknown), (unknown), (unknown), Bernard A. Cooper, (unknown), (unknown), Robert H. Hadfield	1
7	Photon counting for axion interferometry 2024 ·Physical review. D ·Haocun Yu, (unknown), Devendra K. Namburi, Robert H. Hadfield, H. Grote, Д. В. Мартынов	2
8	Ultrathin superconducting TaCxN1−x films prepared by plasma-enhanced atomic layer deposition with ion-energy control 2023 ·Applied Physics Letters ·(unknown), (unknown), Marc J. M. Merkx, Robert H. Hadfield, W. M. M. Kessels, Marcel A. Verheijen, Harm C. M. Knoops	6
9	High-uniformity atomic layer deposition of superconducting niobium nitride thin films for quantum photonic integration 2023 ·SHILAP Revista de lepidopterología ·(unknown), (unknown), (unknown), Devendra K. Namburi, Vinay Koshy Varghese, Dilini Hemakumara, (unknown), S. Srinath, Robert H. Hadfield	8
10	Two-dimensional cuprate nanodetector with single telecom photon sensitivity at T = 20 K 2023 ·2D Materials ·(unknown), (unknown), (unknown), (unknown), Takashi Taniguchi, Kenji Watanabe, K. Kadowaki, Robert H. Hadfield, Dmitri K. Efetov	26
11	Mid-infrared timing jitter of superconducting nanowire single-photon detectors 2022 ·Applied Physics Letters ·(unknown), (unknown), Boris Korzh, D. Morozov, Bruce Bumble, Andrew D. Beyer, Jason P. Allmaras, Matthew D. Shaw, Robert H. Hadfield	11
12	Infrared single-photon sensitivity in atomic layer deposited superconducting nanowires 2021 ·Applied Physics Letters ·(unknown), D. Morozov, (unknown), P. S. Barry, (unknown), Robert H. Hadfield	15
13	Niobium diselenide superconducting photodetectors 2019 ·Applied Physics Letters ·(unknown), Domenico De Fazio, Angelo Di Bernardo, Matthew J. Hamer, Duhee Yoon, Alisson R. Cadore, Ilya Goykhman, Kenji Watanabe, Takashi Taniguchi, Jason W. A. Robinson, Roman Gorbachev, Andrea C. Ferrari, Robert H. Hadfield	29
14	Nano-optical photoresponse mapping of superconducting nanowires with enhanced near infrared absorption 2018 ·Superconductor Science and Technology ·(unknown), (unknown), (unknown), (unknown), (unknown), A. Casaburi, Chandra M. Natarajan, Shigehito Miki, Hirotaka Terai, Robert H. Hadfield	6
15	Enhanced Optics for Time-Resolved Singlet Oxygen Luminescence Detection 2018 ·IEEE Journal of Selected Topics in Quantum Electronics ·(unknown), Nathan R. Gemmell, (unknown), Shigehito Miki, Masahiro Yabuno, Taro Yamashita, Hirotaka Terai, Robert H. Hadfield	16
16	Integrated photonic transmitter and receiver for quantum key distribution 2014 ·Conference on Lasers and Electro-Optics ·Philip Sibson, (unknown), Chris Erven, Shigehito Miki, Taro Yamashita, Mikio Fujiwara, Masahide Sasaki, Hirotaka Terai, Michael G. Tanner, Chandra M. Natarajan, Robert H. Hadfield, Jeremy L. O’Brien, Mark G. Thompson	1
17	Singlet oxygen luminescence detection with a fiber-coupled superconducting nanowire single-photon detector 2013 ·Sussex Research Online (University of Sussex) ·Aongus McCarthy, Баочанг Лиу, Michael G. Tanner, (unknown), Valéry Zwiller, Michael S. Patterson, Gerald S. Buller, Brian C. Wilson, Robert H. Hadfield	80
18	Photon Pair Generation in Silicon Micro-Ring Resonator and Enhancement via Reverse Bias 2012 ·arXiv (Cornell University) ·Erman Engin, Damien Bonneau, Chandra M. Natarajan, Alex S. Clark, Michael G. Tanner, Robert H. Hadfield, S. N. Dorenbos, Val Zwiller, Kazuya Ohira, Nobuo Suzuki, Haruhiko Yoshida, Norio Iizuka, Mizunori Ezaki, Jeremy L. O’Brien, Mark G. Thompson	2
19	Entanglement-based BBM92 QKD experiment using superconducting single photon detectors 2008 ·Conference on Lasers and Electro-Optics ·Toshimori Honjo, Sae Woo Nam, Hiroki Takesue, (unknown), H. Kamada, Y. Nishida, O. Tadanaga, Masaki Asobe, Burm Baek, Robert H. Hadfield, Shigehito Miki, Mikio Fujiwara, Masahide Sasaki, Zhixin Wang, Kyo Inoue, Y. Yamamoto	2
20	Demonstration of a quantum controlled-NOT gate in the telecom band \| NIST 2008 ·Physical Review Letters ·Jun Chen, Joseph B. Altepeter, (unknown), (unknown), Burç Gökden, Robert H. Hadfield, Sae Woo Nam, Prem Kumar	0

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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