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Ping-kong Alexander Wai

Ping-kong Alexander Wai

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 46 3348 3209 541 539 524 9707

Ping-kong Alexander Wai publications per year

The chart shows the history of publications by Ping-kong Alexander Wai between 1986 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ping-kong Alexander Wai published across 40 years, from 1986 to 2025, averaging 14.1 papers a year. Output peaked at 41 publications in 2003. 12 of the 562 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1986 to 2025. Vertical axis: number of publications, 0 to 41. Peak 41 publications in 2003. 1986: 5 publications 1987: 4 publications 1988: 1 publication 1989: 2 publications 1990: 2 publications 1991: 4 publications 1992: 5 publications 1993: 4 publications 1994: 12 publications 1995: 6 publications 1996: 5 publications 1997: 5 publications 1998: 5 publications 1999: 0 publications 2000: 3 publications 2001: 13 publications 2002: 13 publications 2003: 41 publications 2004: 27 publications 2005: 32 publications 2006: 15 publications 2007: 38 publications 2008: 36 publications 2009: 34 publications 2010: 31 publications 2011: 31 publications 2012: 11 publications 2013: 11 publications 2014: 15 publications 2015: 24 publications 2016: 20 publications 2017: 22 publications 2018: 15 publications 2019: 13 publications 2020: 11 publications 2021: 13 publications 2022: 9 publications 2023: 12 publications 2024: 9 publications 2025: 3 publications
1986 2025

562 publications in total across all disciplines

View publications per year as a table
Ping-kong Alexander Wai: publications per year, 1986 to 2025
Year Publications
1986 5
1987 4
1988 1
1989 2
1990 2
1991 4
1992 5
1993 4
1994 12
1995 6
1996 5
1997 5
1998 5
1999 0
2000 3
2001 13
2002 13
2003 41
2004 27
2005 32
2006 15
2007 38
2008 36
2009 34
2010 31
2011 31
2012 11
2013 11
2014 15
2015 24
2016 20
2017 22
2018 15
2019 13
2020 11
2021 13
2022 9
2023 12
2024 9
2025 3
Total 562
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Ping-kong Alexander Wai publication distribution in Electronics and Electrical Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Electronics and Electrical Engineering in 2026. The highlighted bar marks where Ping-kong Alexander Wai sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 53 bars. Horizontal axis: publications, 34–53 to 1,065+. Vertical axis: number of scientists, 0 to 445. Most scientists, 445, have 174–193 publications. The last bar groups every scientist with 1,065 publications or more. The highlighted bar, 514–533 publications, is where this scientist sits. 34–53 publications: 24 scientists 54–73 publications: 52 scientists 74–93 publications: 114 scientists 94–113 publications: 203 scientists 114–133 publications: 269 scientists 134–153 publications: 355 scientists 154–173 publications: 403 scientists 174–193 publications: 445 scientists 194–213 publications: 430 scientists 214–233 publications: 431 scientists 234–253 publications: 399 scientists 254–273 publications: 366 scientists 274–293 publications: 335 scientists 294–313 publications: 300 scientists 314–333 publications: 276 scientists 334–353 publications: 250 scientists 354–373 publications: 214 scientists 374–393 publications: 187 scientists 394–413 publications: 152 scientists 414–433 publications: 169 scientists 434–453 publications: 147 scientists 454–473 publications: 111 scientists 474–493 publications: 117 scientists 494–513 publications: 103 scientists 514–533 publications: 99 scientists 534–553 publications: 92 scientists 554–573 publications: 75 scientists 574–593 publications: 58 scientists 594–613 publications: 69 scientists 614–633 publications: 50 scientists 634–653 publications: 62 scientists 654–673 publications: 54 scientists 674–693 publications: 44 scientists 694–713 publications: 37 scientists 714–733 publications: 28 scientists 734–753 publications: 26 scientists 754–773 publications: 26 scientists 774–793 publications: 19 scientists 794–813 publications: 23 scientists 814–833 publications: 20 scientists 834–853 publications: 16 scientists 854–873 publications: 20 scientists 874–893 publications: 11 scientists 894–913 publications: 11 scientists 914–933 publications: 16 scientists 934–953 publications: 13 scientists 954–973 publications: 10 scientists 974–993 publications: 11 scientists 994–1,013 publications: 9 scientists 1,014–1,033 publications: 9 scientists 1,034–1,053 publications: 10 scientists 1,054–1,064 publications: 6 scientists 1,065+ publications: 99 scientists
34–53 publications 1,065+

This scientist: 524 publications — 86th percentile

86% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,065 publications or more.

View publications distribution as a table
Number of Electronics and Electrical Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
Publications Scientists This scientist
34–53 24
54–73 52
74–93 114
94–113 203
114–133 269
134–153 355
154–173 403
174–193 445
194–213 430
214–233 431
234–253 399
254–273 366
274–293 335
294–313 300
314–333 276
334–353 250
354–373 214
374–393 187
394–413 152
414–433 169
434–453 147
454–473 111
474–493 117
494–513 103
514–533 99 524
534–553 92
554–573 75
574–593 58
594–613 69
614–633 50
634–653 62
654–673 54
674–693 44
694–713 37
714–733 28
734–753 26
754–773 26
774–793 19
794–813 23
814–833 20
834–853 16
854–873 20
874–893 11
894–913 11
914–933 16
934–953 13
954–973 10
974–993 11
994–1,013 9
1,014–1,033 9
1,034–1,053 10
1,054–1,064 6
1,065+ 99
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Ping-kong Alexander Wai D-index placement in Electronics and Electrical Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Electronics and Electrical Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Ping-kong Alexander Wai sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 82 bars. Horizontal axis: D-Index, 30 to 111+. Vertical axis: number of scientists, 0 to 263. Most scientists, 263, have 32 D-Index. The last bar groups every scientist with 111 D-Index or more. The highlighted bar, 46 D-Index, is where this scientist sits. 30 D-Index: 178 scientists 31 D-Index: 257 scientists 32 D-Index: 263 scientists 33 D-Index: 262 scientists 34 D-Index: 244 scientists 35 D-Index: 236 scientists 36 D-Index: 211 scientists 37 D-Index: 220 scientists 38 D-Index: 214 scientists 39 D-Index: 214 scientists 40 D-Index: 205 scientists 41 D-Index: 187 scientists 42 D-Index: 194 scientists 43 D-Index: 201 scientists 44 D-Index: 155 scientists 45 D-Index: 189 scientists 46 D-Index: 148 scientists 47 D-Index: 160 scientists 48 D-Index: 134 scientists 49 D-Index: 130 scientists 50 D-Index: 141 scientists 51 D-Index: 156 scientists 52 D-Index: 108 scientists 53 D-Index: 130 scientists 54 D-Index: 112 scientists 55 D-Index: 97 scientists 56 D-Index: 111 scientists 57 D-Index: 102 scientists 58 D-Index: 108 scientists 59 D-Index: 120 scientists 60 D-Index: 103 scientists 61 D-Index: 93 scientists 62 D-Index: 92 scientists 63 D-Index: 74 scientists 64 D-Index: 77 scientists 65 D-Index: 73 scientists 66 D-Index: 64 scientists 67 D-Index: 69 scientists 68 D-Index: 60 scientists 69 D-Index: 39 scientists 70 D-Index: 57 scientists 71 D-Index: 59 scientists 72 D-Index: 46 scientists 73 D-Index: 49 scientists 74 D-Index: 38 scientists 75 D-Index: 35 scientists 76 D-Index: 32 scientists 77 D-Index: 35 scientists 78 D-Index: 31 scientists 79 D-Index: 22 scientists 80 D-Index: 34 scientists 81 D-Index: 31 scientists 82 D-Index: 34 scientists 83 D-Index: 23 scientists 84 D-Index: 18 scientists 85 D-Index: 30 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 20 scientists 89 D-Index: 8 scientists 90 D-Index: 17 scientists 91 D-Index: 7 scientists 92 D-Index: 14 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 12 scientists 97 D-Index: 10 scientists 98 D-Index: 10 scientists 99 D-Index: 12 scientists 100 D-Index: 16 scientists 101 D-Index: 5 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 8 scientists 105 D-Index: 9 scientists 106 D-Index: 13 scientists 107 D-Index: 4 scientists 108 D-Index: 5 scientists 109 D-Index: 10 scientists 110 D-Index: 8 scientists 111+ D-Index: 96 scientists
30 D-Index 111+

This scientist: 46 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 111 D-Index or more.

View D-Index distribution as a table
Number of Electronics and Electrical Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
D-Index Scientists This scientist
30 178
31 257
32 263
33 262
34 244
35 236
36 211
37 220
38 214
39 214
40 205
41 187
42 194
43 201
44 155
45 189
46 148 46
47 160
48 134
49 130
50 141
51 156
52 108
53 130
54 112
55 97
56 111
57 102
58 108
59 120
60 103
61 93
62 92
63 74
64 77
65 73
66 64
67 69
68 60
69 39
70 57
71 59
72 46
73 49
74 38
75 35
76 32
77 35
78 31
79 22
80 34
81 31
82 34
83 23
84 18
85 30
86 19
87 19
88 20
89 8
90 17
91 7
92 14
93 9
94 15
95 10
96 12
97 10
98 10
99 12
100 16
101 5
102 7
103 7
104 8
105 9
106 13
107 4
108 5
109 10
110 8
111+ 96
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Research.com Recognitions

  • 2009 - OSA Fellows For significant contributions to optical networks and to the understanding of optical transmission in fiber.

Overview

Ping-kong Alexander Wai is affiliated with the Hong Kong Polytechnic University in China. Their research spans multiple areas within engineering and physics, with a particular focus on advancements in optical and photonic technologies.

The main fields of study for Wai include Engineering and Physics and Astronomy. Within these fields, they have contributed notably to subfields such as Electrical and Electronic Engineering, Atomic and Molecular Physics and Optics, Biomedical Engineering, Artificial Intelligence, and Statistical and Nonlinear Physics.

Wai's work emphasizes several key research topics. These include Advanced Fiber Laser Technologies, Photonic and Optical Devices, Optical Coherence Tomography Applications, Optical Network Technologies, Photonic Crystal and Fiber Optics, Neural Networks and Reservoir Computing, and Nonlinear Photonic Systems.

Wai has published extensively, with frequent contributions to the following venues:

  • Journal of Lightwave Technology
  • arXiv (Cornell University)
  • Optics Letters
  • Optics Express
  • 26th Optoelectronics and Communications Conference

Among Wai's recent papers are:

  • Ultracompact optical fiber acoustic sensors based on a fiber-top spirally-suspended optomechanical microresonator, 2020, Optics Letters
  • Reconfigurable time-stretched swept laser source with up to 100 MHz sweep rate, 100 nm bandwidth, and 100 mm OCT imaging range, 2020, Photonics Research
  • Dielectric Metasurfaces Enabled Ultradensely Integrated Multidimensional Optical System, 2022, Laser & Photonics Review
  • Chip-to-chip optical multimode communication with universal mode processors, 2023, PhotoniX
  • 400 MHz ultrafast optical coherence tomography, 2020, Optics Letters

Frequent coauthors collaborating with Wai include Dongmei Huang, Feng Li, Zihao Cheng, Hailong Zhou, and Jianji Dong. The coauthors have contributed variously to developing research in related optical and photonic technologies.

Wai was recognized as an OSA Fellow in 2009 for significant contributions to optical networks and the understanding of optical transmission in fiber.

Best Publications

  • Nonlinear pulse propagation in the neighborhood of the zero-dispersion wavelength of monomode optical fibers

    Ping Kong Alexander Wai;C. R. Menyuk;Y. C. Lee;H. H. Chen

  • Polarization mode dispersion, decorrelation, and diffusion in optical fibers with randomly varying birefringence

    P.K.A. Wai;C.R. Menyak

  • Application of the Manakov-PMD equation to studies of signal propagation in optical fibers with randomly varying birefringence

    D. Marcuse;C.R. Manyuk;P.K.A. Wai

  • Pressure sensor realized with polarization-maintaining photonic crystal fiber-based Sagnac interferometer.

    H. Y. Fu;Hwa-yaw Tam;Liyang Shao;Xinyong Dong

  • Stable and uniform multiwavelength erbium-doped fiber laser using nonlinear polarization rotation

    Xinhuan Feng;Hwa Yaw Tam;Ping Kong Alexander Wai

  • Radiations by solitons at the zero group-dispersion wavelength of single-mode optical fibers

    Ping Kong Alexander Wai;H. H. Chen;Y. C. Lee

  • Stability of solitons in randomly varying birefringent fibers

    P. K. A. Wai;Curtis R. Menyuk;H. H. Chen

  • Soliton fiber ring laser

    C. J. Chen;Ping Kong Alexander Wai;C. R. Menyuk

  • Soliton at the zero-group-dispersion wavelength of a single-model fiber

    Ping Kong Alexander Wai;C. R. Menyuk;H. H. Chen;Y. C. Lee

  • Mechanism of intrinsic wavelength tuning and sideband asymmetry in a passively mode-locked soliton fiber ring laser

    W. S. Man;Hwa Yaw Tam;M. S. Demokan;Ping Kong Alexander Wai

  • Rapid 3D Patterning of Poly(acrylic acid) Ionic Hydrogel for Miniature pH Sensors

    Ming-Jie Yin;Mian Yao;Shaorui Gao;A. Ping Zhang

  • Nonlinear Frequency Division Multiplexed Transmissions Based on NFT

    Zhenhua Dong;Siddarth Hari;Tao Gui;Kangping Zhong

  • Multiwavelength erbium-doped fiber laser employing a nonlinear optical loop mirror

    Xinhuan Feng;Hwa-yaw Tam;Heliang Liu;P.K.A. Wai

  • Geometrical description of the onset of multi-pulsing in mode-locked laser cavities

    Feng Li;Ping Kong Alexander Wai;J. Nathan Kutz

  • Low-loss waveguide crossing using a multimode interference structure

    Heliang Liu;Hwa Yaw Tam;Ping Kong Alexander Wai;Edwin Pun

  • Alternative Decoding Methods for Optical Communications Based on Nonlinear Fourier Transform

    Tao Gui;Terence H. Chan;Chao Lu;Alan Pak Tao Lau

  • Operation of a nonlinear loop mirror in a laser cavity

    I.N. Duling;C.-J. Chen;P.K.A. Wai;C.R. Menyuk

  • Stability of passively mode-locked fiber lasers with fast saturable absorption.

    C. J. Chen;Ping Kong Alexander Wai;C. R. Menyuk

  • Crosstalk in a lossy directional coupler switch

    V.R. Chinni;T.C. Huang;P.-K.A. Wai;C.R. Menyuk

  • Self-starting of passively mode-locked lasers with fast saturable absorbers.

    C. J. Chen;Ping Kong Alexander Wai;C. R. Menyuk

Frequent Co-Authors

Hwa-Yaw Tam
Hwa-Yaw Tam Hong Kong Polytechnic University
Chao Lu
Chao Lu Hong Kong Polytechnic University
Curtis R. Menyuk
Curtis R. Menyuk University of Maryland, Baltimore County
Alan Pak Tao Lau
Alan Pak Tao Lau Hong Kong Polytechnic University
Chongxiu Yu
Chongxiu Yu Beijing University of Posts and Telecommunications
J. Nathan Kutz
J. Nathan Kutz University of Washington
Bai-Ou Guan
Bai-Ou Guan Jinan University
Xinyong Dong
Xinyong Dong Guangdong University of Technology
A. Ping Zhang
A. Ping Zhang Hong Kong Polytechnic University
Charles Surya
Charles Surya Nazarbayev University

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