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Journal Publications​​

In- review​

  1. S. Wang, V. Dhyani, S. S. Mohanraj, X. Shi, B. Varghese, W. W. Chung, D. Huang, Z. S. Lim, Q. Zeng, H. Liu, X. Luo, V. Leong, N. Li, D. Zhu, "CMOS-compatible photonic integrated circuits on thin-film ScAlN," arXiv:2403.14212 (2024)

  2. Y. Hu, D. Zhu, S. Lu, X. Zhu, Y. Song, D. Renaud, D. Assumpcao, R. Cheng, CJ Xin, M. Yeh, H. Warner, X. Guo, A. Shams-Ansari, D. Barton, N. Sinclair, M. Loncar, "Integrated electro-optics on thin-film lithium niobate," arXiv:2404.06398 (2024)

  3. H. K. Warner, J. Holzgrafe, B. Yankelevich, D. Barton, S. Poletto, C.J. Xin, N. Sinclair, D. Zhu, E. Sete, B. Langley, E. Batson, M. Colangelo, A. Shams-Ansari, G. Joe, K. K. Berggren, L. Jiang, M. Reagor, and M. Loncar, "Coherent control of a superconducting qubit using light," arXiv:2310.16155 (2023)

In-print​

  1. M. Colangelo, D. Zhu, L. Shao, J. Holzgrafe, E. K. Batson, B. Desiatov, O. Medeiros, M. Yeung, M. Loncar, and K. K. Berggren, "Molybdenum Silicide Superconducting Nanowire Single-Photon Detectors on Lithium Niobate Waveguides," ACS Photonics (2024)

  2. D. Renaud, D. R. Assumpcao, G. Joe, A. Shams-Ansari, D. Zhu, Y. Hu, N. Sinclair, M. Loncar, "Sub-1 Volt and High-Bandwidth Visible to Near-Infrared Electro-Optic Modulators," Nature Communications 14, 1496 (2023)

  3. E. Csányi, Y. Liu, S. D. Rezaei, H.Y.L. Lee, F. Tjiptoharsono, Z. Mahfoud, S. Gorelik, X. Zhao, L.J. Lim, D. Zhu, J. Wu, K.E.J. Goh, W. Gao, Z.‐K. Tan, G. Leggett, C.‐W. Qiu, Z. Dong, "Engineering and Controlling Perovskite Emissions via Optical Quasi-Bound-States-in-the-Continuum" Advanced Functional Materials, 2309539 (2023)

  4. Z. Li, X. Ma, F. Wei, D. Wang, Z. Deng, M. Jiang, A. Siddiquee, K. Qi, D. Zhu, M. Zhao, M. Shen, P. Canepa, S. Kou, J. Lin, Q. Wang, "As‐Grown Miniaturized True Zero‐Order Waveplates Based on Low‐Dimensional Ferrocene Crystals," Advanced Materials 35(32), 2302468 (2023)

  5. M. Colangelo, B. Korzh, J. P. Allmaras, A. D. Beyer, A. S. Mueller, R. M. Briggs, B. Bumble, M. Runyan, M. J. Stevens, A. N. McCaughan, D. Zhu, S. Smith, W. Becker, L. Narváez, J. C. Bienfang, S. Frasca, A. E. Velasco, C. H. Peña, E. E. Ramirez, A. B. Walter, E. Schmidt, E. E. Wollman, M. Spiropulu, R. Mirin, S. W. Nam, K. K. Berggren, M. D. Shaw, “Impedance-matched differential superconducting nanowire detectors,” Physical Review Applied 19, 044093 (2023) [Editor's Suggestion]

  6. D. Zhu*,†, C. Chen*, M. Yu*, L. Shao, Y. Hu, C. J. Xin, M. Yeh, S. Ghosh, L. He, C. Reimer, N. Sinclair, F. N. C. Wong, M. Zhang, and M. Loncar*, “Spectral control of nonclassical light pulses using an integrated thin-film lithium niobate modulator,” Light: Science & Applications 11, 327 (2022) [News coverage]

  7. M. Yu, D. Barton III, R. Cheng, C. Reimer, P. Kharel, L. He, L. Shao, D. Zhu, Y. Hu, H. R. Grant, L. Johansson, Y. Okawachi, A. L. Gaeta, M. Zhang & M. Lončar, “Integrated femtosecond pulse generator on thin-film lithium niobate,” Nature 612, 252–258 (2022) [news coverage]

  8. Y. Hu, M. Yu, N. Sinclair, D. Zhu, R. Cheng, C. Wang, M. Loncar, “Mirror-induced reflection in the frequency domain,” Nature Communications 13, 6293 (2022)

  9. Y. Hu, M. Yu, B. Buscaino, N. Sinclair, D. Zhu, R. Cheng, A. Shams-Ansari, L. Shao, M. Zhang, J. M. Kahn, M. Loncar, "High-efficiency and broadband on-chip electro-optic frequency comb generators," Nature Photonics 16, 379 (2022) [news coverage]

  10. L. Shao*, D. Zhu*, M. Colangelo, D. H. Lee, N. Sinclair, Y. Hu, P. T. Rakich, K. Lai, K. K. Berggren, M. Loncar, “Electrical control of surface acoustic waves,” Nature Electronics 5, 348-355 (2022) [News coverage]

  11. Y. Zhang, L. Shao, J. Yang, Z. Chen, K. Zhang, K.-M. Shum, D. Zhu†, C. H. Chan, M. Lončar, C. Wang†, Systematic investigation of millimeter-wave optic modulation performance in thin-film lithium niobate, Photonics Research 10(10) 2380 (2022)

  12. A. Shams-Ansari, G. Huang, L. He, Z. Li, J. Holzgrafe, M. Jankowski, M. Churaev, P. Kharel, R. Cheng, D. Zhu, N. Sinclair, B. Desiatov, M. Zhang, T. J. Kippenberg, M. Loncar, "Reduced Material Loss in Thin-film Lithium Niobate Waveguides," APL Photonics 7, 081301(2022) [Editor’s pick]

  13. A. Dane, J. Allmaras, D. Zhu, M. Onen, M. Colangelo, R. Bahgdadi, J.-L.Tambasco, Y. Morimoto, I. E. Forno, I. Charaev, Q. Zhao, M. Skvortsov, A. Kozorezov, K. Berggren, “Self-heating hotspots in superconducting nanowires cooled by phonon black-body radiation,” Nature Communications 13, 5429 (2022) [News coverage]

  14. C.J. Xin, J. Mishra, C. Chen, D. Zhu, A. Shams-Ansari, C. Langrock, N. Sinclair, F. N.C. Wong, M. M. Fejer, M. Lončar, “Spectrally separable photon-pair generation in dispersion engineered thin-film lithium niobate,” Optics Letters 47(11) 2830-2833 (2022) [Editors' Pick]

  15. A. Shams-Ansari, D. Renaud, R. Cheng, L. Shao, L. He, D. Zhu, M. Yu, H. R. Grant, L. Johansson, M. Zhang, M. Loncar, “Electrically-pumped high-power laser transmitter integrated on thin-film lithium niobate,” Optica 9(4) 408 (2022) [News coverage]

  16. Y. Hu, M. Yu, D. Zhu, N. Sinclair, A. Shams-Ansari, L. Shao, J. Holzgrafe, E. Puma, M. Zhang, M. Loncar, “On-chip electro-optic frequency shifters and beam splitters,” Nature 599, 587–593 (2021) [news coverage]

  17. D. Zhu†, L. Shao, M. Yu, R. Cheng, B. Desiatov, C. J. Xin, Y. Hu, J. Holzgrafe, S. Ghosh, A. Shams-Ansari, E. Puma, N. Sinclair, C. Reimer, M. Zhang, M. Lončar†, “Integrated photonics on thin-film lithium niobate,” Advances in Optics and Photonics 13(2), 242-352 (2021)

  18. M. Colangelo*, D. Zhu*, D. F. Santavicca, B. A. Butters, J. C. Bienfang, K. K. Berggren, “A compact and tunable forward coupler based on high-impedance superconducting nanowires” Physical Review Applied 15, 024064 (2021)

  19. M. Zheng, Y. Yang, D. Zhu, Z. Shu, K. K. Berggren, M. Soljacic, H. Duan, “Enhancing Plasmonic Spectral Tunability with Anomalous Material Dispersion,” Nano Letters 21(1), 91-98 (2021)

  20. M. Zhang, C. Wang, P. Kharel, D. Zhu, M. Lončar, “Integrated lithium niobate electro-optic modulators: when performance meets scalability,” Optica 8(5), 652-667 (2021)

  21. V. B. Verma, B. Korzh, A. B. Walter, A. E. Lita, R. M. Briggs, M. Colangelo, Y. Zhai, E. E. Wollman, A. D. Beyer, J. P. Allmaras, D. Zhu, E. Schmidt, A. G. Kozorezov, K. K. Berggren, R. P. Mirin, S. W. Nam, M. D. Shaw, “Single-photon detection in the mid-infrared up to 10 μm wavelength using tungsten silicide superconducting nanowire detectors,” APL Photonics 6, 056101 (2021)

  22. R. Baghdadi, E. Schmidt, S. Jahani, I. Charaev, M. GW Muller, M. Colangelo, D. Zhu, K. Ilin, A. D. Semenov, Z. Jacob, M. Siegel, K. K. Berggren, “Enhancing the Performance of Superconducting Nanowire-Based Detectors with High-Filling Factor by Using Variable Thickness,” Superconductor Science and Technology 34(3), 035010 (2021)

  23. L. Hallett, I. Charaev, A. Agarwal, A. Dane, M. Colangelo, D. Zhu, K. K. Berggren, “Superconducting MoN thin films prepared by DC reactive magnetron sputtering for nanowire single-photon detectors,” Superconductor Science and Technology 34(3), 035012 (2021)

  24. D. Zhu*,†, M. Colangelo*, C. Chen, B. A. Korzh, F. N.C. Wong, M. D. Shaw, K. K. Berggren†, “Resolving photon numbers using a superconducting nanowire with impedance-matching taper,” Nano Letters 20(5) 3858–3863 (2020).

  25. B. Korzh, Q.-Y. Zhao, J. P. Allmaras, S. Frasca, T. M. Autry, E. A. Bersin, A. D. Beyer, R. M. Briggs, B. Bumble, M. Colangelo, G. M. Crouch, A. E. Dane, T. Gerrits, A. E. Lita, F. Marsili, G. Moody, C. Peña, E. Ramirez, J. D. Rezac, N. Sinclair, M. J. Stevens, A. E. Velasco, V. B. Verma, E. E. Wollman, S. Xie, D. Zhu, P. D. Hale, M. Spiropulu, K. L. Silverman, R. P. Mirin, S. W. Nam, A. G. Kozorezov, M. D. Shaw & K. K. Berggren, “Demonstration of sub-3 ps temporal resolution with a superconducting nanowire single-photon detector,” Nature Photonics 14, 250-255 (2020) [news coverage]

  26. J. Holzgrafe, N. Sinclair, D. Zhu, A. Shams-Ansari, M. Colangelo, Y. Hu, M. Zhang, K. K. Berggren, M. Lončar, “Cavity electro-optics in thin-film lithium niobate for efficient microwave-to-optical transduction,” Optica 7(12), 1714-1720 (2020)

  27. X. Wang, B. A. Korzh, P. O. Weigel, D. J. Nemchick, B. J. Drouin, W. Becker, Q.-Y. Zhao, D. Zhu, M. Colangelo, A. E. Dane, K. K. Berggren, M. D. Shaw, S. Mookherjea, “Oscilloscopic capture of greater-than-100 GHz, ultra-low power optical waveforms enabled by integrated electrooptic devices,” Journal of Lightwave Technology 38(1), 166-173 (2020)

  28. Y. Yang*,†, D. Zhu*,†, W. Yan, A. Agarwal, M. Zheng, J. D. Joannopoulos, P. Lalanne, T. Christensen†, K. K. Berggren, M. Soljačić, “A general theoretical and experimental framework for nanoscale electromagnetism,” Nature 576, 248 (2019) [news coverage]

  29. Y. Yang, C. Peng, D. Zhu, H. Buljan, J. D. Joannopoulos, B. Zhen, M. Soljačić, “Synthesis and observation of non-Abelian gauge fields in real space,” Science 365 (6457) 1021-1025 (2019) [news coverage]

  30. D. Zhu, M. Colangelo, B. A. Korzh, Q.-Y. Zhao, S. Frasca, A. E. Dane, A. E. Velasco, A. D. Beyer, J. P. Allmaras, E. Ramirez, W. J. Strickland, D. F. Santavicca, M. D. Shaw, K. K. Berggren, "Superconducting nanowire single-photon detector with integrated impedance-matching taper," Applied Physics Letters, 114, 042601 (2019)

  31. H. Choi, D. Zhu, Y. Yoon, and D. Englund, “Cascaded cavities boost the indistinguishability of imperfect quantum emitters,” Physical Review Letters 122, 183602 (2019) [news coverage]

  32. J.S. Glasby, A.K. Sinclair, P.D. Mauskopf, H. Mani, D. Zhu, M. Colangelo, K.K. Berggren, “Properties of a nanowire kinetic inductance detector array,” Journal of Low Temperature Physics (2019)

  33. S. Frasca, B. Korzh, M. Colangelo, D. Zhu, A.E. Lita, J.P. Allmaras, E.E. Wollman, V.B. Verma, A.E. Dane, E. Ramirez, A.D. Beyer, S.W. Nam, A.G. Kozorezov, M.D. Shaw, K.K. Berggren, “Determining the depairing current in superconducting nanowire single-photon detectors,” Physical Review B 100, 054520 (2019) [Editor’s suggestion]

  34. A. Sinclair, E. Schroeder, D. Zhu, M. Colangelo, J. Glasby, P. Mauskopf, H. Mani, K. Berggren, Demonstration of microwave multiplexed readout of DC biased superconducting nanowire detectors, IEEE Transactions on Applied Superconductivity 29 (5) 2200704 (2019)

  35. D. F. Santavicca, B. Noble, C. Kilgore, G. A. Wurtz, M. Colangelo, D. Zhu, K. Berggren, Jitter Characterization of a Dual-Readout SNSPD, IEEE Transaction on Applied Superconductivity 29(5) 2200504 (2019)

  36. D. Zhu, Q.-Y. Zhao, H. Choi, T.-J. Lu, A. E. Dane, D. Englund, K. K. Berggren, “A scalable multi-photon coincidence detector based on superconducting nanowires,” Nature Nanotechnology 3, 596–601 (2018)

  37. Q.-Y. Zhao, D. F. Santavicca, D. Zhu, B. Noble, K. K. Berggren, “A distributed electrical model for superconducting nanowire single photon detectors,” Applied Physics Letters 113, 082601 (2018)

  38. T.-J. Lu, M. Fanto, H. Choi, P. Thomas, J. Steidle, S. Mouradian, W. Kong, D. Zhu, H. Moon, K. Berggren, J. Kim, M. Soltani, S. Preble, D. Englund, “Aluminum nitride integrated photonics platform for the ultraviolet to visible spectrum,” Optics Express 26 (9) 11147-11160 (2018)

  39. E. Schroeder, P. Mauskopf, H. Mani, S. Bryan, K. K. Berggren, D. Zhu, “Operation of a superconducting nanowire in two detection modes: KID and SPD,” Journal of Low Temperature Physics (2018). https://doi.org/10.1007/s10909-018-2075-0

  40. Q.-Y. Zhao, D. Zhu, N. Calandri, A. E. Dane, A. N. McCaughan, F. Bellei, H.-Z. Wang, D. F. Santavicca, K. K. Berggren, “Superconducting nanowire single-photon imager,” Nature Photonics 11(4) 247 (2017) [cover page]

  41. A. E. Dane, A. N. McCaughan, D. Zhu, Q. Zhao, C.-S. Kim, N. Calandri, A. Agarwal, F. Bellei, K. K. Berggren, “Bias sputtered NbN and superconducting nanowire devices,” Applied Physics Letters 111, 122601 (2017)

  42. N. Calandri, Q.-Y. Zhao, D. Zhu, A. Dane, K. K. Berggren, “Superconducting nanowire detector jitters limited by detector geometry,” Applied Physics Letters 109 (15), 152601 (2016)

  43. Z. Dong, M. Asbahi, J. Lin, D. Zhu, Y. M. Wang, K. Hippalgaonkar, H.-S. Chu, W. P. Goh, F. Wang, Z. Huang, and J. K. W. Yang, “Second-Harmonic Generation from Sub-5-nm Gaps by Directed Self-Assembly of Nanoparticles onto Template-Stripped Gold Substrates,” Nano Letters 15 (9) 5976-5981 (2015)

  44. Z. Dong, H.-S. Chu, D. Zhu, W. Du, Y. A. Akimov, W. P. Goh, T. Wang, K. E. J. Goh, C. Troadec, C. A. Nijhuis, J. K.W. Yang, “Electrically-Excited Surface Plasmon Polaritons with Directionality Control,” ACS Photonics 2, 385-391 (2015).

  45. Z. Dong, M. Bosman, D. Zhu, W. Du, X. M. Goh, C. A. Nijhuis, and J. K. W. Yang, “Fabrication of suspended metal-dielectric-metal plasmonic nanostructures,” Nanotechnology 25(13), 135303 (2014).

  46. D. Zhu, Z. Dong, H.-S. Chu, Y. A. Akimov, and J. K. W. Yang, “Image Dipole Method for the Beaming of Plasmons from Point Sources,” ACS Photonics 1, 1307-1312 (2014).

  47. S. J. Tan, L. Zhang, D. Zhu, X. M. Goh, Y. M. Wang, K. Kumar, C.-W. Qiu, and J. K. W. Yang, “Plasmonic Color Palettes for Photorealistic Printing with Aluminum Nanostructures,” Nano Letters 14 (7), 4023-4029 (2014).

  48. D. Zhu, M. Bosman, and J. K. W. Yang, “A circuit model for plasmonic resonators,” Optics Express 22 (8), 9809 (2014).

  49. Y. Zhou, D. Zhu, X. Yu, W. Ding, and F. Luan, “Fano resonances in metallic grating coupled whispering gallery mode resonator,” Applied Physics Letters 103(15), 151108 (2013)  

  50. D. Zhu, Y. Zhou, X. Yu, P. Shum, and F. Luan, “Radially graded index whispering gallery mode resonator for penetration enhancement,” Optics Express 20(24), 26285 (2012)

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Selected Presentations and Proceedings

​

  1. D. Zhu, "Lithium niobate integrated photonics," NQFF Industry Day: Integrated Photonics, Singapore (2024) [Invited]

  2. D. Zhu, "Integrated quantum photonic devices on thin-film lithium niobate," Quantum Engineering Programme (QEP) 3.0 Launch Day, Singapore (2024) [Invited]

  3. D. Zhu, "Non-classical light generation and control on thin-film lithium niobate photonic integrated circuits," Aisa Light Conference, Singapore (2024) [Invited talk]

  4. D. Zhu, "Superconducting tapered nanowire detector," The 18th International Superconductive Electronics Conference (ISEC 2023), Nanjing China (2023) [Invited talk]

  5. D. Zhu, "Scalable single-photon technologies for quantum information processing," Institute of Physics Singapore (IPS) Meeting 2023 [Plenary talk]

  6. D. Zhu, "Spectral control of nonclassical light on thin-film lithium niobate photonic integrated circuits," The 14th International Conference on Information Optics and Photonics (CIOP), Xi'an China (2023) [Invited talk]

  7. D. Zhu, “Integrated quantum photonics with LiNbO3,” UCA-Majulab Workshop on Quantum Technologies & Photonics, Nice, France (2023)  [Invited talk]

  8. D. Zhu, "Frequency control of single photons using an integrated electro-optic modulator," International Conference on Materials for Advanced Technologies (ICMAT), Singapore (2023)

  9. D. Zhu, Y. Hu, B. Desiatov, L. Shao, M. Yu, and M. Lončar, “Single-Sideband Modulation Through Polarization Interband Transition in Thin-Film Lithium Niobate Waveguide,” CLEO: Science & Innovations, SW3A.1, USA (2021)

  10. D. Zhu, M. Colangelo, C. Chen, B. A. Korzh, F. N.C. Wong, M. D. Shaw, K. K. Berggren, “Photon-number resolution using superconducting tapered nanowire detector,” CLEO: Fundamental Science, FF3D.5, USA (2020) [highlighted talk]

  11. D. Zhu, H. Choi, T.-J. Lu, M. Colangelo, E. Maggiolini, Q.-Y. Zhao, D. Englund, K. K. Berggren, “Delay-line-multiplexed single-photon detector array for photonic integrated circuits,” 683rd WE-Heraeus-Seminar: Physics and Applications of Superconducting Nanowire Single Photon Detectors, Bad Honnef, Germany (2018)

  12. D. Zhu, M. Colangelo, D. F. Santavicca, J. C. Bienfang, K. K. Berggren, “Coupled nanoscale kinetic-inductive transmission lines,” Applied Superconductivity Conference (ASC), Seattle, Washington, USA (2018)

  13. D. Zhu, B. A. Korzh, Q-Y. Zhao, M. Colangelo, S. Frasca, E. Ramirez, A. E. Dane, A. Velasco, A. D. Beyer, D. F. Santavicca, M. D. Shaw, and K. K. Berggren, “Increasing the output signal of superconducting nanowire single-photon detectors with impedance-matching tapers,” Applied Superconductivity Conference (ASC), Seattle, Washington, USA (2018)

  14. D. Zhu, Q.-Y. Zhao, H. Choi, T.-J. Lu, A. Dane, M. Colangelo, D. Englund, and K. K. Berggren, “Single-photon detector based on superconducting nanowire transmission line,” AP-S/URSI, Boston, USA (2018)

  15. D. Zhu, Q.-Y. Zhao, H. Choi, T.-J. Lu, D. Englund, K. K. Berggren, “Two-photon detector by using superconducting transmission lines,” CLEO: Applications and Technology, JTh5B. 4, San Jose, USA (2017) [Post-deadline paper]

  16. D. Zhu, H. Choi, T.-J. Lu, Q.-Y. Zhao, A. Dane, F. Najafi, D. Englund, K. K. Berggren, “Superconducting nanowire single-photon detector on aluminum nitride,” CLEO: QELS_Fundamental Science, FTu4C.1. San Jose, USA (2016)

​

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Patents

​

  1. D. Zhu, M. Colangelo, B. A. Korzh, M. D. Shaw, K. K. Berggren, “Impedance Matched Superconducting Nanowire Photodetector for Single- and Multi-Photon Detection.” US20210119102A1 (2021)

  2. J. K. W. Yang, X. M. Goh, D. Zhu, S. Tan, Y. M. Wang, and Z. Dong, “Process for plasmonic-based high resolution color printing.” US10831097B2 (2020)

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