Alfred Y. Cho

16.0k total citations · 2 hit papers
154 papers, 12.1k citations indexed

About

Alfred Y. Cho is a scholar working on Electrical and Electronic Engineering, Spectroscopy and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Alfred Y. Cho has authored 154 papers receiving a total of 12.1k indexed citations (citations by other indexed papers that have themselves been cited), including 118 papers in Electrical and Electronic Engineering, 103 papers in Spectroscopy and 72 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Alfred Y. Cho's work include Spectroscopy and Laser Applications (103 papers), Laser Design and Applications (54 papers) and Semiconductor Quantum Structures and Devices (49 papers). Alfred Y. Cho is often cited by papers focused on Spectroscopy and Laser Applications (103 papers), Laser Design and Applications (54 papers) and Semiconductor Quantum Structures and Devices (49 papers). Alfred Y. Cho collaborates with scholars based in United States, Germany and Italy. Alfred Y. Cho's co-authors include Federico Capasso, Deborah L. Sivco, Albert L. Hutchinson, Jérôme Faist, Carlo Sirtori, Claire Gmachl, James N. Baillargeon, Sung-Nee G. Chu, Alessandro Tredicucci and K. Mohammed and has published in prestigious journals such as Nature, Science and Physical Review Letters.

In The Last Decade

Alfred Y. Cho

146 papers receiving 11.4k citations

Hit Papers

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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.

Quantum Cascade Laser

1994 3.3k citations Jérôme Faist, Federico Capasso et al. Science profile →
High-Power Directional Emission from Microlasers with Chaotic Resonators

1998 535 citations Claire Gmachl, Federico Capasso et al. Science profile →

Peers

Countries citing papers authored by Alfred Y. Cho

Since Specialization

Citations

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

Fields of papers citing papers by Alfred Y. Cho

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alfred Y. Cho. 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 Alfred Y. Cho. The network helps show where Alfred Y. Cho may publish in the future.

Co-authorship network of co-authors of Alfred Y. Cho

This figure shows the co-authorship network connecting the top 25 collaborators of Alfred Y. Cho. A scholar is included among the top collaborators of Alfred Y. Cho 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 Alfred Y. Cho. Alfred Y. Cho 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	A frequency-modulated quantum-cascade laser for spectroscopy of CH₄and N₂O isotopomers 2005 ·Isotopes in Environmental and Health Studies ·G. Gagliardi, Simone Borri, Filippo Tamassia, Federico Capasso, Claire Gmachl, Deborah L. Sivco, James N. Baillargeon, Albert L. Hutchinson, Alfred Y. Cho	23
2	Raman injection laser 2005 ·Nature ·Mariano Troccoli, Alexey Belyanin, Federico Capasso, Ertugrul Cubukcu, Deborah L. Sivco, Alfred Y. Cho	98
3	Resonant Second-Order Nonlinear Optical Processes in Quantum Cascade Lasers 2003 ·Physical Review Letters ·Nina Owschimikow, Claire Gmachl, Alexey Belyanin, V. V. Kocharovsky, Deborah L. Sivco, R. Colombelli, Federico Capasso, Alfred Y. Cho	84
4	Quantum Cascade Surface-Emitting Photonic Crystal Laser 2003 ·Science ·R. Colombelli, Kartik Srinivasan, Mariano Troccoli, Oskar Painter, Claire Gmachl, D. M. Tennant, A. M. Sergent, Deborah L. Sivco, Alfred Y. Cho, Federico Capasso	205
5	Thermoelectrically cooled quantum-cascade-laser-based sensor for the continuous monitoring of ambient atmospheric carbon monoxide 2002 ·Applied Optics ·Anatoliy A. Kosterev, Frank K. Tittel, Rüdeger Köhler, Claire Gmachl, Federico Capasso, Deborah L. Sivco, Alfred Y. Cho, Shawn Wehe, Mark G. Allen	54
6	Transportable automated ammonia sensor based on a pulsed thermoelectrically cooled quantum-cascade distributed feedback laser 2002 ·Applied Optics ·Anatoliy A. Kosterev, R. F. Curl, Frank K. Tittel, Rüdeger Köhler, Claire Gmachl, Federico Capasso, Deborah L. Sivco, Alfred Y. Cho	35
7	Ultra-broadband semiconductor laser 2002 ·Nature ·Claire Gmachl, Deborah L. Sivco, R. Colombelli, Federico Capasso, Alfred Y. Cho	195
8	Pollutant emission monitoring using QC laser-based mid-IR sensors 2001 ·Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE ·David M. Sonnenfroh, Mark G. Allen, W. T. Rawlins, Claire Gmachl, Federico Capasso, Albert L. Hutchinson, Deborah L. Sivco, Alfred Y. Cho	6
9	Effective utilization of quantum-cascade distributed-feedback lasers in absorption spectroscopy 2000 ·Applied Optics ·Anatoliy A. Kosterev, R. F. Curl, Frank K. Tittel, Claire Gmachl, Federico Capasso, Deborah L. Sivco, James N. Baillargeon, Albert L. Hutchinson, Alfred Y. Cho	66
10	Surface plasmon quantum cascade lasers at λ∼19 μm 2000 ·Applied Physics Letters ·Alessandro Tredicucci, Claire Gmachl, Michael C. Wanke, Federico Capasso, Albert L. Hutchinson, Deborah L. Sivco, (unknown), Alfred Y. Cho	28
11	Rapid scan (Doppler-limited) absorption spectroscopy using mid-infrared quantum cascade lasers 1999 ·Proceedings of SPIE - The International Society for Optical Engineering ·Steven W. Sharpe, James Floyd Kelly, Richard M. Williams, John Hartman, Claire Gmachl, Federico Capasso, Deborah L. Sivco, James N. Baillargeon, Alfred Y. Cho	1
12	Spectral and modulation performance of quantum cascade lasers with application to remote sensing 1999 ·Proceedings of SPIE - The International Society for Optical Engineering ·Richard M. Williams, James Floyd Kelly, Steven W. Sharpe, John Hartman, Claire Gmachl, Federico Capasso, Deborah L. Sivco, James N. Baillargeon, Alfred Y. Cho	1
13	High-speed operation of gain-switched midinfrared quantum cascade lasers 1999 ·Applied Physics Letters ·Roberto Paiella, Federico Capasso, Claire Gmachl, C. G. Bethea, Deborah L. Sivco, James N. Baillargeon, Albert L. Hutchinson, Alfred Y. Cho	27
14	A multiwavelength semiconductor laser 1998 ·Nature ·Alessandro Tredicucci, Claire Gmachl, Federico Capasso, Deborah L. Sivco, Albert L. Hutchinson, Alfred Y. Cho	67
15	Microlasers with Chaotic Resonators and Bow-tie Lasers 1998 ·Optics and Photonics News ·Claire Gmachl, (unknown), Deborah L. Sivco, Alfred Y. Cho, Evgenii E. Narimanov, A. Douglas Stone, Jens U. Nöckel, Jérôme Faist	1
16	Quantum cascade unipolar intersubband light emitting diodes in the 8–13 μm wavelength region 1995 ·Applied Physics Letters ·Carlo Sirtori, Federico Capasso, Jérôme Faist, Deborah L. Sivco, Albert L. Hutchinson, Alfred Y. Cho	33
17	Quantum Cascade Laser breakdown → 1994 ·Science ·Jérôme Faist, Federico Capasso, Deborah L. Sivco, Carlo Sirtori, Albert L. Hutchinson, Alfred Y. Cho	3339
18	Bandgap engineering of semiconductor heterostructures by molecular beam epitaxy: physics and applications 1994 ·Surface Science ·Federico Capasso, Alfred Y. Cho	41
19	New class of coupled-quantum-well semiconductors with large electric field-tunable nonlinear susceptibilities in the infrared 1993 ·Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE ·Carlo Sirtori, Federico Capasso, Alfred Y. Cho	1
20	Scattering-controlled transmission resonances and negative differential conductance by field-induced localization in superlattices 1990 ·Physical Review Letters ·Fabio Beltram, Federico Capasso, Deborah L. Sivco, Albert L. Hutchinson, Sung-Nee G. Chu, Alfred Y. Cho	119

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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