Ryan Hamerly

3.4k total citations · 2 hit papers
68 papers, 2.1k citations indexed

About

Ryan Hamerly is a scholar working on Electrical and Electronic Engineering, Artificial Intelligence and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Ryan Hamerly has authored 68 papers receiving a total of 2.1k indexed citations (citations by other indexed papers that have themselves been cited), including 56 papers in Electrical and Electronic Engineering, 49 papers in Artificial Intelligence and 24 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Ryan Hamerly's work include Photonic and Optical Devices (49 papers), Neural Networks and Reservoir Computing (43 papers) and Optical Network Technologies (37 papers). Ryan Hamerly is often cited by papers focused on Photonic and Optical Devices (49 papers), Neural Networks and Reservoir Computing (43 papers) and Optical Network Technologies (37 papers). Ryan Hamerly collaborates with scholars based in United States, Japan and Germany. Ryan Hamerly's co-authors include Dirk Englund, Hideo Mabuchi, Alexander Sludds, Saumil Bandyopadhyay, Liane Bernstein, Y. Yamamoto, Hiroki Takesue, Takahiro Inagaki, Marin Soljačić and Alireza Marandi and has published in prestigious journals such as Science, Physical Review Letters and Nature Communications.

In The Last Decade

Ryan Hamerly

66 papers receiving 1.9k citations

Hit Papers

A fully programmable 100-spin coherent Ising machine with... 2016 2026 2019 2022 2016 2024 100 200 300 400
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.

  1. A fully programmable 100-spin coherent Ising machine with all-to-all connections
    2016 443 citations Alireza Marandi, Yoshitaka Haribara et al. Science profile →
  2. Single-chip photonic deep neural network with forward-only training
    2024 60 citations Saumil Bandyopadhyay, Alexander Sludds et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Ryan Hamerly United States 22 1.6k 1.3k 649 89 70 68 2.1k
Toshimori Honjo Japan 23 1.9k 1.2× 789 0.6× 1.3k 2.0× 114 1.3× 131 1.9× 76 2.4k
Takeshi Umeki Japan 24 799 0.5× 1.4k 1.1× 884 1.4× 86 1.0× 89 1.3× 155 2.2k
Andreas Poppe Austria 23 1.5k 1.0× 867 0.7× 2.1k 3.2× 57 0.6× 87 1.2× 76 2.6k
Shoko Utsunomiya Japan 15 1.2k 0.8× 579 0.4× 930 1.4× 138 1.6× 144 2.1× 26 2.0k
Koji Enbutsu Japan 15 719 0.5× 740 0.6× 371 0.6× 81 0.9× 89 1.3× 74 1.3k
Shuhei Tamate Japan 12 1.0k 0.7× 446 0.3× 433 0.7× 103 1.2× 121 1.7× 27 1.3k
O. Tadanaga Japan 24 694 0.4× 1.4k 1.1× 1.3k 1.9× 67 0.8× 66 0.9× 107 2.0k
Li Qian Canada 24 1.7k 1.1× 1.2k 0.9× 2.1k 3.2× 64 0.7× 52 0.7× 143 2.8k
Anthony Laing United Kingdom 21 2.7k 1.7× 1.5k 1.1× 1.6k 2.4× 17 0.2× 72 1.0× 47 3.2k
He-Liang Huang China 17 1.7k 1.1× 367 0.3× 1.3k 1.9× 27 0.3× 141 2.0× 48 2.1k

Countries citing papers authored by Ryan Hamerly

Since Specialization
Citations

This map shows the geographic impact of Ryan Hamerly'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 Ryan Hamerly with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ryan Hamerly more than expected).

Fields of papers citing papers by Ryan Hamerly

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ryan Hamerly. 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 Ryan Hamerly. The network helps show where Ryan Hamerly may publish in the future.

Co-authorship network of co-authors of Ryan Hamerly

This figure shows the co-authorship network connecting the top 25 collaborators of Ryan Hamerly. A scholar is included among the top collaborators of Ryan Hamerly 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 Ryan Hamerly. Ryan Hamerly is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Lee, Chunho, Alexander Sludds, Ryan Hamerly, et al.. (2025). Hypermultiplexed integrated photonics–based optical tensor processor. Science Advances. 11(23). eadu0228–eadu0228. 4 indexed citations
2.
3.
Hamerly, Ryan, Alexander Sludds, Saumil Bandyopadhyay, et al.. (2024). Netcast: Low-Power Edge Computing With WDM-Defined Optical Neural Networks. Journal of Lightwave Technology. 42(22). 7795–7806. 2 indexed citations
4.
Lu, Xiyuan, Kartik Srinivasan, Yunhong Ding, et al.. (2024). Heterogeneous Integration of Lithium Niobate and Silicon Photonics for Nonlinear Optics. AW4H.1–AW4H.1. 2 indexed citations
5.
Bandyopadhyay, Saumil, et al.. (2023). A self‐similar sine–cosine fractal architecture for multiport interferometers. Nanophotonics. 12(5). 975–984. 6 indexed citations
6.
Bandyopadhyay, Saumil, Alexander Sludds, Stefan Krastanov, et al.. (2023). A Photonic Deep Neural Network Processor on a Single Chip with Optically Accelerated Training. 588. SM2P.2–SM2P.2. 3 indexed citations
7.
Englund, Dirk, et al.. (2023). Transferable learning on analog hardware. Science Advances. 9(28). eadh3436–eadh3436. 11 indexed citations
8.
Chen, Zaijun, Alexander Sludds, Ian Christen, et al.. (2023). Coherent VCSEL homodyne neural networks. 18–18. 1 indexed citations
9.
Jamshidi, Kambiz, et al.. (2023). Numerical Modelling and Characterization of Active Silicon Ring Resonators. 1–4. 1 indexed citations
10.
11.
Hamerly, Ryan, Saumil Bandyopadhyay, & Dirk Englund. (2022). Accurate Self-Configuration of Rectangular Multiport Interferometers. Physical Review Applied. 18(2). 26 indexed citations
12.
Hamerly, Ryan, Saumil Bandyopadhyay, & Dirk Englund. (2022). Stability of Self-Configuring Large Multiport Interferometers. Physical Review Applied. 18(2). 21 indexed citations
13.
Hamerly, Ryan, Saumil Bandyopadhyay, & Dirk Englund. (2022). Asymptotically fault-tolerant programmable photonics. Nature Communications. 13(1). 6831–6831. 40 indexed citations
14.
Sludds, Alexander, Saumil Bandyopadhyay, Zaijun Chen, et al.. (2022). Delocalized photonic deep learning on the internet’s edge. Science. 378(6617). 270–276. 108 indexed citations
15.
Bandyopadhyay, Saumil, Ryan Hamerly, & Dirk Englund. (2021). Hardware error correction for programmable photonics. Optica. 8(10). 1247–1247. 102 indexed citations
16.
Hamerly, Ryan, et al.. (2020). Thermo-Optic Multistability and Relaxation in Silicon Microring Resonators with Lateral Diodes. Physical Review Applied. 14(2). 22 indexed citations
17.
Jankowski, Marc, Alireza Marandi, C. R. Phillips, et al.. (2018). Temporal Simultons in Optical Parametric Oscillators. Physical Review Letters. 120(5). 53904–53904. 41 indexed citations
18.
Hamerly, Ryan, et al.. (2017). Optical bistability, self-pulsing and XY optimization in silicon micro-rings with active carrier removal. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 10098. 100980D–100980D. 10 indexed citations
19.
Takata, Kenta, Alireza Marandi, Ryan Hamerly, et al.. (2016). A 16-bit Coherent Ising Machine for One-Dimensional Ring and Cubic Graph Problems. Scientific Reports. 6(1). 34089–34089. 55 indexed citations
20.
Hamerly, Ryan & Hideo Mabuchi. (2012). Advantages of Coherent Feedback for Cooling Quantum Oscillators. Physical Review Letters. 109(17). 173602–173602. 84 indexed citations

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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