Kaikai Liu

1.3k total citations · 2 hit papers
49 papers, 810 citations indexed

About

Kaikai Liu is a scholar working on Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering and Condensed Matter Physics. According to data from OpenAlex, Kaikai Liu has authored 49 papers receiving a total of 810 indexed citations (citations by other indexed papers that have themselves been cited), including 37 papers in Atomic and Molecular Physics, and Optics, 33 papers in Electrical and Electronic Engineering and 3 papers in Condensed Matter Physics. Recurrent topics in Kaikai Liu's work include Advanced Fiber Laser Technologies (37 papers), Photonic and Optical Devices (25 papers) and Mechanical and Optical Resonators (13 papers). Kaikai Liu is often cited by papers focused on Advanced Fiber Laser Technologies (37 papers), Photonic and Optical Devices (25 papers) and Mechanical and Optical Resonators (13 papers). Kaikai Liu collaborates with scholars based in United States, China and Saudi Arabia. Kaikai Liu's co-authors include Daniel J. Blumenthal, Nitesh Chauhan, Jiawei Wang, Ryan O. Behunin, Andrei Isichenko, Peter T. Rakich, Mark Harrington, Qiancheng Zhao, Karl D. Nelson and Xiaohang Li and has published in prestigious journals such as Nature, Nature Communications and Applied Physics Letters.

In The Last Decade

Kaikai Liu

42 papers receiving 768 citations

Hit Papers

align trajectories

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.

422 Million intrinsic quality factor planar integrated all-waveguide resonator with sub-MHz linewidth

2021 179 citations Matthew W. Puckett, Kaikai Liu et al. Nature Communications profile →
Integrated optical frequency division for microwave and mmWave generation

2024 75 citations Shuman Sun, Beichen Wang et al. Nature profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Kaikai Liu United States	12	555	533	143	115	61	49	810
Biswanath Bhoi India	12	294 0.5×	357 0.7×	107 0.7×	179 1.6×	24 0.4×	34	534
Yuxuan Chen China	11	206 0.4×	131 0.2×	67 0.5×	76 0.7×	83 1.4×	42	356
Yannick Baumgartner Switzerland	12	613 1.1×	388 0.7×	122 0.9×	47 0.4×	33 0.5×	28	713
Pol Welter Switzerland	7	190 0.3×	282 0.5×	109 0.8×	114 1.0×	66 1.1×	12	359
Fabienne Michelini France	15	377 0.7×	375 0.7×	202 1.4×	66 0.6×	90 1.5×	65	629
T. Rivera France	12	390 0.7×	499 0.9×	85 0.6×	59 0.5×	71 1.2×	23	706
S. Schön Switzerland	15	523 0.9×	729 1.4×	207 1.4×	36 0.3×	179 2.9×	42	889
Qin-Sheng Zhu China	11	157 0.3×	143 0.3×	194 1.4×	138 1.2×	184 3.0×	65	415
Jiagui Feng China	13	220 0.4×	85 0.2×	307 2.1×	158 1.4×	65 1.1×	38	437

Countries citing papers authored by Kaikai Liu

Since Specialization

Citations

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

Fields of papers citing papers by Kaikai Liu

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kaikai Liu

This figure shows the co-authorship network connecting the top 25 collaborators of Kaikai Liu. A scholar is included among the top collaborators of Kaikai Liu 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 Kaikai Liu. Kaikai Liu 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

Grillanda, Stefano, Nicolas K. Fontaine, Mikael Mazur, et al.. (2025). Dual-Wavelength ϕ-OFDR Using a Hybrid-Integrated Laser Stabilized to an Integrated SiN Coil Resonator. Tu2K.5–Tu2K.5.

Liu, Kaikai, et al.. (2024). Tunable broadband two-point-coupled ultra-high-Q visible and near-infrared photonic integrated resonators. Photonics Research. 12(9). 1890–1890. 5 indexed citations

Isichenko, Andrei, et al.. (2024). Sub-Hz fundamental, sub-kHz integral linewidth self-injection locked 780 nm hybrid integrated laser. Scientific Reports. 14(1). 27015–27015. 16 indexed citations

Liu, Kaikai & Daniel J. Blumenthal. (2024). Integrated Brillouin laser in 4-meter-coil resonator realizing 40 mW output power and 31 mHz fundamental linewidth. STh4O.4–STh4O.4. 1 indexed citations

Tian, Zengshan, et al.. (2024). Integrating Multiband Channel State Information for Enhanced Ranging and Localization. 2930–2935.

Sun, Shuman, Beichen Wang, Kaikai Liu, et al.. (2024). Integrated optical frequency division for microwave and mmWave generation. Nature. 627(8004). 540–545. 75 indexed citations breakdown →

Harrington, Mark, Andrei Isichenko, Kaikai Liu, et al.. (2024). Anneal-free ultra-low loss silicon nitride integrated photonics. Light Science & Applications. 13(1). 156–156. 30 indexed citations

Zhang, Yuan, Shi‐Lei Su, Kaikai Liu, et al.. (2024). Theoretical study of superradiant masing with solid-state spins at room temperature. Science China Physics Mechanics and Astronomy. 67(6). 1 indexed citations

Blumenthal, Daniel J., Nitesh Chauhan, Andrei Isichenko, et al.. (2023). Visible Light Photonics for Atomic and Quantum Sensing and Computation. QTu4C.1–QTu4C.1.

10.

Isichenko, Andrei, Nitesh Chauhan, Jiawei Wang, et al.. (2023). Tunable Integrated 118 Million Q Reference Cavity for 780 nm Laser Stabilization and Rubidium Spectroscopy. SF3K.4–SF3K.4. 4 indexed citations

11.

Liu, Kaikai, Jiawei Wang, Andrei Isichenko, Nitesh Chauhan, & Daniel J. Blumenthal. (2023). Integrated High-Extinction-Ratio 2.0-Meter Unbalanced MZI for Laser Frequency Noise Measurements. STu4P.5–STu4P.5.

12.

Wang, Jiawei, Kaikai Liu, Mark Harrington, Ryan Q. Rudy, & Daniel J. Blumenthal. (2022). Ultra-low loss silicon nitride ring modulator with low power PZT actuation for photonic control. Optical Fiber Communication Conference (OFC) 2022. W3D.5–W3D.5. 1 indexed citations

13.

Liu, Kaikai, Mark Harrington, Karl D. Nelson, et al.. (2022). Photonic integrated cascade-inhibited Brillouin laser with sub-100-mHz fundamental linewidth. Conference on Lasers and Electro-Optics. SF2K.1–SF2K.1. 3 indexed citations

14.

Liu, Kaikai, Naijun Jin, Haotian Cheng, et al.. (2021). 720 Million Quality Factor Integrated All-Waveguide Photonic Resonator. 1–2. 5 indexed citations

15.

Puckett, Matthew W., Kaikai Liu, Nitesh Chauhan, et al.. (2021). 422 Million intrinsic quality factor planar integrated all-waveguide resonator with sub-MHz linewidth. Nature Communications. 12(1). 934–934. 179 indexed citations breakdown →

16.

Chauhan, Nitesh, Andrei Isichenko, Kaikai Liu, et al.. (2021). Visible light photonic integrated Brillouin laser. Nature Communications. 12(1). 4685–4685. 86 indexed citations

17.

Liu, Kaikai, et al.. (2020). BAlN alloy for enhanced two-dimensional electron gas characteristics of GaN/AlGaN heterostructures. Journal of Physics D Applied Physics. 53(48). 48LT01–48LT01. 11 indexed citations

18.

Li, Kuang‐Hui, Ronghui Lin, Wenzhe Guo, et al.. (2018). Induction-heating MOCVD reactor with significantly improved heating efficiency and reduced harmful magnetic coupling. Journal of Crystal Growth. 488. 16–22. 8 indexed citations

19.

Sun, Haiding, C. G. Torres Castanedo, Kaikai Liu, et al.. (2017). Valence and conduction band offsets of β-Ga2O3/AlN heterojunction. Applied Physics Letters. 111(16). 88 indexed citations

20.

Liu, Kaikai, Haiding Sun, Feras AlQatari, et al.. (2017). Wurtzite BAlN and BGaN alloys for heterointerface polarization engineering. Applied Physics Letters. 111(22). 43 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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