John D. O'Brien

6.6k citations

171 papers · 5.0k · 2 hit papers · h-index 29

Impact in

Surfaces, Coatings and Films top 0.5%
- Optical Coatings and Gratings
Atomic and Molecular Physics, and Optics top 0.5%
- Photonic Crystals and Applications

Papers in

Atomic and Molecular Physics, and Optics 96
- Photonic Crystals and Applications 82
- Semiconductor Quantum Structures and Devices 10
Surfaces, Coatings and Films 37
- Optical Coatings and Gratings 37

Co-authors: Paul Daniel Dapkus (43 shared papers)Oskar J. Painter (14 shared papers)I. Kim (6 shared papers)Avigail Yariv (6 shared papers)A. Scherer (1 shared paper)J. Gerald Young (5 shared papers)Axel Scherer (13 shared papers)Adam Mock (29 shared papers)
Journals: Applied Physics Letters (12 papers)IEEE Photonics Technology Letters (11 papers)Optics Express (6 papers)Journal of the American Academy of Child & Adolescent Psychiatry (6 papers)Optics Letters (5 papers)
Partner nations: United States United Kingdom Ireland

In The Last Decade

John D. O'Brien

158 papers receiving 4.7k citations

John D. O'Brien's Hit Papers

align trajectories log scale

Multiple populations of artemisinin-resistant Plasmodium falciparum in Cambodia 2013 · 376 citations

What are hit papers?

Paper score: A paper's citations measured against the top-1% bar of its own field and year: the square root of citations ÷ bar, so 1 means right at the bar and 2 means four times its citations. The bar blends the citation counts that enter the top 1% of the paper's subfields in its year (weighted 89.5%), of those subfields over all years (0.5%) and of its year across all fields (10%); a subfield and year with fewer than 400 papers takes its year's bar. Papers from 2026 are not scored yet: in an unfinished year, when a paper appeared matters more than how it is cited.

Hit paper: A paper cited at least 1.5× the top-1% bar of its field and year: a paper score of at least √1.5.

2013 Nature Genetics
1999 Science

Peers

Countries citing papers authored by John D. O'Brien

Since Specialization

Citations

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

Fields of papers citing papers by John D. O'Brien

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John D. O'Brien. 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 John D. O'Brien. The network helps show where John D. O'Brien may publish in the future.

Co-authors

The 25 scholars most cited alongside John D. O'Brien, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with John D. O'Brien Line = papers co-authored together John D. O'Brien links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 171 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Two-Dimensional Photonic Band-Gap Defect Mode Laser Science ·Oskar J. Painter, R. K. Lee, A. Scherer, Avigail Yariv, John D. O'Brien, Paul Daniel Dapkus, I. Kim Hit paper breakdown →	1999	1848
2	Multiple populations of artemisinin-resistant Plasmodium falciparum in Cambodia Nature Genetics ·Olivo Miotto, Jacob Almagro‐Garcia, Magnus Manske, Bronwyn L. MacInnis, Susana G. Campino, Kirk A. Rockett, Chanaki Amaratunga, Pharath Lim Hit paper breakdown →	2013	376
3	Differential Assessment of Attention and Impulsivity in Children Journal of the American Academy of Child & Adolescent Psychiatry ·Jeffrey M. Halperin, Lorraine E. Wolf, Daisy M. Pascualvaca, Jeffrey H. Newcorn, Jane M. Healey, John D. O'Brien, ALLEN MORGANSTEIN, J. Gerald Young	1988	169
4	InGaN/GaN Multiple Quantum Wells Grown on Nonpolar Facets of Vertical GaN Nanorod Arrays Nano Letters ·Ting‐Wei Yeh, Yen-Ting Lin, Lawrence S. Stewart, Paul Daniel Dapkus, Raymond Sarkissian, John D. O'Brien, Byungmin Ahn, Steven Nutt	2012	136
5	Room temperature photonic crystal defect lasers at near-infrared wavelengths in InGaAsP Journal of Lightwave Technology ·Oskar J. Painter, A. Husain, Axel Scherer, John D. O'Brien, Ik-sang Kim, P.D. Dapkus	1999	125
6	Modal reflectivity in finite-depth two-dimensional photonic-crystal microcavities Journal of the Optical Society of America B ·Brian D’Urso, Oskar J. Painter, John D. O'Brien, Tom A. Tombrello, Amnon Yariv, Axel Scherer	1998	98
7	Learning to Count: Robust Estimates for Labeled Distances between Molecular Sequences Molecular Biology and Evolution ·John D. O'Brien, Vladimir N. Minin, Marc A. Suchard	2009	86
8	A 3D BEM-FEM methodology for simulation of high speed train induced vibrations Soil Dynamics and Earthquake Engineering ·John D. O'Brien, Dimitris C. Rizos	2005	77
9	Vertical resonant couplers with precise coupling efficiency control fabricated by wafer bonding IEEE Photonics Technology Letters ·D. Tishinin, Paul Daniel Dapkus, A.E. Bond, I. Kim, Chia-Wei Lin, John D. O'Brien	1999	75
10	The analysis of substituted cathinones. Part 1: Chemical analysis of 2-, 3- and 4-methylmethcathinone Forensic Science International ·John D. Power, Peggy McGlynn, K. Clarke, Seán D. McDermott, Pierce V. Kavanagh, John D. O'Brien	2011	75
11	Research on the Clinical Interview Journal of the American Academy of Child & Adolescent Psychiatry ·J. Gerald Young, John D. O'Brien, Elane M. Gutterman, Patricia R. Cohen	1987	67
12	Validation of Hyperactive, Aggressive, and Mixed Hyperactive/Aggressive Childhood Disorders: A Research Note Journal of Child Psychology and Psychiatry ·Jeffrey M. Halperin, John D. O'Brien, Jeffrey H. Newcorn, Jane M. Healey, Daisy M. Pascualvaca, Lorraine E. Wolf, J. Gerald Young	1990	67
13	Structured Diagnostic Interviews for Children and Adolescents: Current Status and Future Directions Journal of the American Academy of Child & Adolescent Psychiatry ·Elane M. Gutterman, John D. O'Brien, J. Gerald Young	1987	67
14	Are ADDH and ADHD the Same or Different? Journal of the American Academy of Child & Adolescent Psychiatry ·Jeffrey H. Newcorn, Jeffrey M. Halperin, Jane M. Healey, John D. O'Brien, Daisy M. Pascualvaca, Lorraine E. Wolf, ALLEN MORGANSTEIN, Vanshdeep Sharma	1989	57
15	Attention and Clinical Symptoms in Schizophrenia Psychiatric Quarterly ·Barbara A. Cornblatt, Michael Obuchowski, David B. Schnur, John D. O'Brien	1997	57
16	Lithographic tuning of a two-dimensional photonic crystal laser array IEEE Photonics Technology Letters ·Oskar J. Painter, A. Husain, Axel Scherer, P.T. Lee, I. Kim, John D. O'Brien, Paul Daniel Dapkus	2000	57
17	Lasers incorporating 2D photonic bandgap mirrors Electronics Letters ·John D. O'Brien, Oskar J. Painter, R. K. Lee, Chuan-Cheng Cheng, Amnon Yariv, Axel Scherer	1996	49
18	Optimization of a two-dimensional photonic-crystal waveguide branch by simulated annealing and the finite-element method Journal of the Optical Society of America B ·Woo Jun Kim, John D. O'Brien	2004	46
19	Space group theory and Fourier space analysis of two-dimensional photonic crystal waveguides Physical Review B ·Adam Mock, Ling Lü, John D. O'Brien	2010	45
20	Aperture placement effects in oxide-defined vertical-cavity surface-emitting lasers IEEE Photonics Technology Letters ·A.E. Bond, Paul Daniel Dapkus, John D. O'Brien	1998	39

About John D. O'Brien

John D. O'Brien is a scholar working on Atomic and Molecular Physics, and Optics, Surfaces, Coatings and Films, Electrical and Electronic Engineering, Clinical Psychology and Psychiatry and Mental health, having authored 171 papers that have together received 5.0k indexed citations. Recurring topics across this work include Photonic and Optical Devices (94 papers), Photonic Crystals and Applications (82 papers), Semiconductor Lasers and Optical Devices (41 papers), Optical Coatings and Gratings (37 papers), Semiconductor Quantum Structures and Devices (10 papers), Child and Adolescent Psychosocial and Emotional Development (8 papers), Attention Deficit Hyperactivity Disorder (5 papers) and Advanced Fiber Optic Sensors (5 papers). The work is most often cited by research in Surfaces, Coatings and Films (793 citations), Atomic and Molecular Physics, and Optics (2.9k citations), Acoustics and Ultrasonics (58 citations), Electrical and Electronic Engineering (2.7k citations) and Toxicology (145 citations). John D. O'Brien has collaborated with scholars based in United States, United Kingdom and Ireland. Frequent co-authors include Paul Daniel Dapkus, Oskar J. Painter, I. Kim, Avigail Yariv, A. Scherer, J. Gerald Young, Axel Scherer, Adam Mock, Wan Kuang and Daisy M. Pascualvaca. Their work appears in journals such as Applied Physics Letters, IEEE Photonics Technology Letters, Optics Express, Journal of the American Academy of Child & Adolescent Psychiatry and Optics Letters.

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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