R.W. Tkach

9.1k total citations · 2 hit papers
177 papers, 6.2k citations indexed

About

R.W. Tkach is a scholar working on Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics and Biophysics. According to data from OpenAlex, R.W. Tkach has authored 177 papers receiving a total of 6.2k indexed citations (citations by other indexed papers that have themselves been cited), including 168 papers in Electrical and Electronic Engineering, 44 papers in Atomic and Molecular Physics, and Optics and 4 papers in Biophysics. Recurrent topics in R.W. Tkach's work include Optical Network Technologies (131 papers), Advanced Photonic Communication Systems (85 papers) and Semiconductor Lasers and Optical Devices (74 papers). R.W. Tkach is often cited by papers focused on Optical Network Technologies (131 papers), Advanced Photonic Communication Systems (85 papers) and Semiconductor Lasers and Optical Devices (74 papers). R.W. Tkach collaborates with scholars based in United States, Germany and Italy. R.W. Tkach's co-authors include A.R. Chraplyvy, A. R. Chraplyvy, René-Jean Essiambre, F. Forghieri, R.M. Derosier, A.H. Gnauck, E.L. Goldstein, Xiang Liu, D. Marcuse and S. Chandrasekhar and has published in prestigious journals such as Physical Review Letters, Nature Communications and The Journal of Chemical Physics.

In The Last Decade

R.W. Tkach

170 papers receiving 5.6k 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.

Regimes of feedback effects in 1.5-µm distributed feedback lasers

1986 544 citations R.W. Tkach, A.R. Chraplyvy profile →
Capacity Trends and Limits of Optical Communication Networks

2012 481 citations René-Jean Essiambre, R.W. Tkach profile →

Peers

Countries citing papers authored by R.W. Tkach

Since Specialization

Citations

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

Fields of papers citing papers by R.W. Tkach

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R.W. Tkach. 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 R.W. Tkach. The network helps show where R.W. Tkach may publish in the future.

Co-authorship network of co-authors of R.W. Tkach

This figure shows the co-authorship network connecting the top 25 collaborators of R.W. Tkach. A scholar is included among the top collaborators of R.W. Tkach 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 R.W. Tkach. R.W. Tkach 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	Shaping lightwaves in time and frequency for optical fiber communication 2022 ·Nature Communications ·Junho Cho, Xi Chen, G. Raybon, Di Che, Ellsworth Burrows, Samuel L. I. Olsson, R.W. Tkach	28
2	Experimental Observation of Inter-Modal Cross-Phase Modulation in Few-Mode Fibers 2013 ·IEEE Photonics Technology Letters ·René-Jean Essiambre, M. A. Mestre, Roland Ryf, A.H. Gnauck, R.W. Tkach, A.R. Chraplyvy, Yi Sun, (unknown), R. Lingle	28
3	Digital coherent superposition for performance improvement of spatially multiplexed coherent optical OFDM superchannels 2012 ·Optics Express ·Xiang Liu, S. Chandrasekhar, A.H. Gnauck, Peter J. Winzer, Sebastian Randel, Steve Corteselli, A. R. Chraplyvy, R.W. Tkach, Bo Zhu, T. F. Taunay, M. Fishteyn	7
4	Scrambled coherent superposition for enhanced optical fiber communication in the nonlinear transmission regime 2012 ·Optics Express ·Xiang Liu, S. Chandrasekhar, Peter J. Winzer, A. R. Chraplyvy, R.W. Tkach, Benyuan Zhu, T. F. Taunay, M. Fishteyn, D. J. DiGiovanni	19
5	M-ary pulse-position modulation and frequency-shift keying with additional polarization/phase modulation for high-sensitivity optical transmission 2011 ·Optics Express ·Xiang Liu, S. Chandrasekhar, Thomas H. Wood, R.W. Tkach, Peter J. Winzer, E.C. Burrows, A. R. Chraplyvy	61
6	Effects of DGE Bandwidth on Nonlinear ULH Systems 2005 ·Optical Fiber Communication Conference ·J. M. Wiesenfeld, L.D. Garrett, Mark Shtaif, Michael Eiselt, R.W. Tkach	1
7	Terrestrial ULH transmission: how do we get them to buy it? 2004 ·R.W. Tkach	1
8	Ultra-wideband WDM transmission using cascaded chirped fiber gratings 2003 ·L.D. Garrett, A.H. Gnauck, R.W. Tkach, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), F. Forghieri	1
9	Field demonstration of distributed Raman amplification with 3.8 dB Q-improvement for 5×120 km transmission 2000 ·Optics and Photonics News ·L.D. Garrett, Michael Eiselt, R.W. Tkach, V. Dominic, R.G. Waarts, David M. Giltner, D. Mehuys	2
10	Optical crossconnects for high-capacity lightwave networks 1999 ·Journal of High Speed Networks ·L.Y. Lin, E.L. Goldstein, L.M. Lunardi, R.W. Tkach	7
11	Multiwavelength Opaque Optical-Crossconnect Networks 1999 ·IEICE Transactions on Communications ·(unknown), Lih Y. Lin, R.W. Tkach	6
12	High-density Connection-symmetric Free-space Micromachined Polygon Optical Crossconnects with Low Loss for WDM Networks 1998 ·Optical Fiber Communication Conference ·L.Y. Lin, E.L. Goldstein, Jane M. Simmons, R.W. Tkach	8
13	Lightwave system limitations of nonlinear optical effects 1996 ·European Conference on Optical Communication ·R.W. Tkach, F. Forghieri	2
14	Effect of modulation statistics on Raman crosstalk in WDM systems 1995 ·IEEE Photonics Technology Letters ·F. Forghieri, R.W. Tkach, A.R. Chraplyvy	63
15	Systems impact of fiber nonlinearities 1994 ·Conference on Lasers and Electro-Optics ·R.W. Tkach, A. R. Chraplyvy	3
16	Impact of fiber nonlinearities on megameter lightwave systems with optical amplifiers 1992 ·R.W. Tkach, A.R. Chraplyvy	2
17	Survey of atomic transitions for absolute frequency locking of lasers for lightwave systems 1990 ·Conference on Lasers and Electro-Optics ·(unknown), Y. C. Chung, R.W. Tkach	1
18	Wavelength demultiplexing networks based on stimulated brillouin scattering 1989 ·Optical Fiber Communication Conference ·R.W. Tkach, A.R. Chraplyvy	1
19	Lasing from a vibrational transition of a molecular defect 1984 ·Journal of Luminescence ·T. R. Gosnell, R.W. Tkach, A. J. Sievers	2
20	Resonance Charge Transfer from a Photoexcited Donor State 1979 ·Physical Review Letters ·Niloy K. Dutta, R.W. Tkach, D. Fröhlich, C. L. Tang, H. Mahr, Paul L. Hartman	16

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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