OUR PUBLISHED WORKS
Publications
Peruse our published body of work.
Alexander A. Demkov, Agham B. Posadas Integration of Functional Oxides with Semiconductors. Springer New York, NY https://doi.org/10.1007/978-1-4614-9320-4
Alexander A. Demkov, Alexandra Navrotsky Materials Fundamentals of Gate Dielectrics. Springer Dordrecht https://doi.org/10.1007/1-4020-3078-9
Vijay Narayanan (IBM Thomas J Watson Research Center, USA), Martin M Frank (IBM Thomas J Watson Research Center, USA), and Alexander A Demkov (The University of Texas at Austin, USA). Materials and Energy: Volume 8. Thin Films on Silicon. Electronic and Photonic Applications. https://doi.org/10.1142/9908
Zuoming Dong, Amogh Raju, Agham B. Posadas, Marc Reynaud, Alexander A. Demkov, and Daniel M. Wasserman
ACS Photonics 2023 10 (12), 4367-4376
DOI: 10.1021/acsphotonics.3c01144
Agham B. Posadas , Vincent E. Stenger, John D. DeFouw, Jamie H. Warner, Alexander A. Demkov. RF-sputtered Z-cut electro-optic barium titanate modulator on silicon photonic platform. J. Appl. Phys. 134, 073101 (2023) https://doi.org/10.1063/5.0160186
A. Posadas, M. Reynaud, G. Mashanovich, and A. A. Demkov, “Barium Titanate Electro-Optic Modulators for Silicon Photonics Grown by Off-Axis Sputtering,” in CLEO 2023, Technical Digest Series (Optica Publishing Group, 2023), paper SM2H.4.
A. B. Posadas, V. E. Stenger, J. DeFouw, G. Z. Mashanovich, D. Wasserman and A. A. Demkov, “Electro-Optic Barium Titanate Modulators on Silicon Photonics Platform,” 2023 IEEE Silicon Photonics Conference (SiPhotonics), Washington, DC, USA, 2023, pp. 1-2, doi: 10.1109/SiPhotonics55903.2023.10141930.
Demkov, A. A. and Posadas, A. B., “Si-integrated ferroelectrics for photonics and optical computing”, MRS Bulletin, vol. 47, no. 5, pp. 485–493, 2022. doi:10.1557/s43577-022-00332-3.
Alexander A. DemkovChandrajit BajajJohn G. EkerdtChris J. PalmstrømS. J. Ben Yoo; Materials for emergent silicon-integrated optical computing. J. Appl. Phys. 21 August 2021; 130 (7): 070907. https://doi.org/10.1063/5.0056441
Alexander A. Demkov, Agham Posadas, and Daniel Wasserman “Ferroelectrics for emergent silicon-integrated optical computing”, Proc. SPIE 13372, Optical Interconnects and Packaging 2025, 133720I (20 March 2025); https://doi.org/10.1117/12.3048430
A. Raju, D. Hungund, D. Krueger, Z. Dong, Z. Sakotic, A. Posadas, A. A. Demkov and D. Wasserman, “High-Q Ring Resonators in Low-Loss Monolithic Barium Titanate on Silicon,” Laser Photonics Review 2025, 2402086. https://doi.org/10.1002/lpor.202402086
W. Li, C. M. Landis and A. A. Demkov, “Domain morphology and electro-optic effect in Si-integrated epitaxial BaTiO3 films,” Phys. Rev. Materials 6, 095203 (2022). https://doi.org/10.1103/PhysRevMaterials.6.095203
W. Li, C. M. Landis and A. A. Demkov, “Evolution of epitaxial BaTiO3 on SrTiO3-buffered Si: Phase field analysis,” J. Appl. Phys. 132, 213103 (2022). https://doi.org/10.1063/5.0111188
M. Reynaud, H. Huyan, C. Du, W. Li, A.B. Posadas, X. Pan and A. A. Demkov, “Si-integrated BaTiO3 for Electro-Optic Applications: Crystalline and Polarization Orientation Control,” ACS Appl. Electron. Mater. 5, 4605 (2023). https://doi.org/10.1021/acsaelm.3c00747
A. A. Demkov and A. B. Posadas, “Ferroelectric BaTiO3 for electro-optic modulators in Si photonics,” IEEE J. of Sel. Top. Quantum Electron. 30, 8200113 (2024). https://doi.org/10.1109/JSTQE.2024.3405387
A. A. Demkov, A. B. Posadas and D. Wasserman, “Ferroelectrics for emergent silicon-integrated optical computing,” Proceedings SPIE 13372, Optical Interconnects and Packaging 2025; 133720I (2025). https://doi.org/10.1117/12.3048430
A. B. Posadas, A. Raju, D. Hungund, Z. Dong, A. A. Demkov and D. Wasserman, “Ultra-compact electro-optical modulators based on monolithic BaTiO3 on silicon,” 2025 IEEE Silicon Photonics Conference (SiPhotonics), London, United Kingdom, 2025. https://doi.org/10.1109/SiPhotonics64386.2025.10984580