• Chapter 13: Mechanically adjustable lenses. Advances in Ophthalmic Optics Technology - Thiago Daniel de Oliveira Moura, Davies William de Lima Monteiro, Jhonattan Córdoba Ramirez, Andrea Chiuchiarelli, Diego Miranda and Bruno Lovaglio Cançado Trindade. IOP Publishing, Bristol, UK. 2022. 10.1088/978-0-7503-3263-7ch13. Online ISBN: 978-0-7503-3263-7. Print ISBN: 978-0-7503-3261-3
  • Chapter: Optical Multimode Interference Waveguides as Sensing Devices. Smart Systems: Theory and Advances - Yuri Hayashi Isayama, Jhonattan Cordoba Ramirez, Lucas Heitzmann Gabrielli, and Hugo Enrique Hernández-Figueroa. Publisher Amplla, Campina Grande, Brazil. 2022. 10.51859/amplla.sst631.1122-7



  • Electro-Optical Properties of a Graphene Device on a Tip-Enhanced Raman Spectroscopy System - Portes, A. V. R., Nadas, R. B., Jorio, A., & Ramirez, J. C. (2024). Optics Letters (IF 3.6), 49(4). 10.1364/OL.512195
  • Spatially Coherent Tip-Enhanced Raman Spectroscopy Measurements of Electron − Phonon Interaction in a Graphene Device - Nadas, R. B., Gadelha, A. C., Barbosa, T. C., Rabelo, C., Lourenc, T. De, Monken, V., Portes, A. V. R., Watanabe, K., Taniguchi, T., Ramirez, J. C., Campos, L. C., Saito, R., Gustavo, L., & Jorio, A. (2023). Nano Letters (IF 10.8), 23(19), 8827–8832. 10.1021/acs.nanolett.3c00851
  • Current Trends in Photonic Biosensors: Advances towards Multiplexed Integration - Ramirez, J. C., Grajales García, D., Maldonado, J., and Fernández-Gavela, A. (2022). Chemosensors (IF 4.2), 10, 398. 10.3390/chemosensors10100398
  • Adaptive PAM-4/PAM-8 graphene-based electro-optical modulator integrated into a polymer waveguide platform for data-center communication - Camacho, W., Carvalho, Mauricio M., Ramirez, Jhonattan C., Souza, Eunezio T., and Saito, Lúcia A. M. (2022). Optics & Laser Technology (IF 5.0), 157, 108622. 10.1016/j.optlastec.2022.108622
  • Computational guided method applied to LSPR-based Biosensor for specific detection of the four-serotypes of Dengue Virus in seropositive patients - Machado, G. L., Teixeira, F. M. F., Ferreira, G. S. C., Versiani, A. F., Andrade, L. M., Ladeira, L. O., Fonseca, F. G., and Ramirez, J. C. (2022). Particle & Particle Systems Characterization (IF 2.7), 2100157. 10.1002/ppsc.202100157 - Back cover picture
  • Photonic Crystal Integrated Logic Gates and Circuits - Pedraza-Caballero, L., Povinelli, M. L., Ramirez, J. C., Guimaraes, P. S. S., & Villela-Neto, O. (2022). Optics Express (IF 3.8), 30(2), 1976 – 1993. 10.1364/OE.444714
  • Electro-Optical Biosensor Based on Embedded Double-Monolayer of Graphene Capacitor in Polymer Technology - Portes, A. V. R., Martins, A. J. L., Guerrero, J. A., Carvalho, M. M., Amaya-Fernandez, F. O., Saito, L. A. M., & Ramirez, J. C. (2021). Polymers (IF 5.0), 13(20), 3564. 10.3390/polym13203564
  • The limits of Near Field Immersion Microwave Microscopy evaluated by imaging bilayer graphene Moiré patterns - Ohlberg, D. A. A., Tami, D., Gadelha, A. C., Neto, E. G. S., Santana, F. C., Miranda, D., Avelino, W., Watanabe, K., Taniguchi, T., Campos, L. C., Ramirez, J. C., Rego, C. G., Jorio, A., & Medeiros-Ribeiro, G. (2021). Nature Communications(IF 17.7), (12) 2980. 10.1038/s41467-021-23253-2
  • Complementary Photonics Crystal Integrated Logic Device - Pedraza-Caballero, L., Povinelli, M. L. Ramirez, J. C., Guimaraes, P. S. S., & Villela-Neto, O. (2020). Optics Letters (IF 3.6), 45(20). 10.1364/OL.393846
  • Trimodal Waveguide Demonstration and its Implementation as a High Order Mode Interferometer for Sensing Application - Ramirez, J. C., Lechuga, L. M., Gabrielli, L. H., & Hernandez-Figueroa, H. E. (2019). Sensors (IF 3.8), 19(12), 2821–2832. 10.3390/s19122821
  • Dielectric barrier discharge plasma treatment of modified SU-8 for biosensing applications - Ramirez, J. C., Schianti, J. N., Souto, D. E. P., Kubota, L. T., Hernandez-Figueroa, H. E., & Gabrielli, L. H. (2018). Biomedical Optics Express (IF 3.5), 9(5), 2168-2175. 10.1364/BOE.9.002168
  • Shift of zero-dispersion wavelength in bent optical fibers - Gil-Molina, A., Perez-Ramirez, A., Ramirez, J. C., Gabrielli, L. H., & Fragnito, H. L. (2018). Optics Express (IF 3.8), 26(6), 6700 – 6714. 10.1364/OE.26.006700
  • Treatment of SU-8 surfaces using atmospheric pressure dielectric barrier discharge plasma - Juliana de Novais Schianti, Fellype do Nascimento, Jhonattan Cordoba Ramirez, Lucas Gabrielli Heitzmann, Stanislav Moshkalev, Munemasa Machida, & Hugo Enrique Hernandez Figueroa. (2018). Journal of Vacuum Science and Technology A (IF 3.2), 36(2), 021403. 10.1116/1.4999045
  • SU-8 GPON Diplexer Based On H-Line Lithography by Direct Laser Writer - Ramirez, J. C., Finardi, C., & Panepucci, R. (2018). IEEE Photonics Technology Letters (IF 2.4), 30(2), 205 – 208. 10.1109/LPT.2017.2781803
  • Low-loss modified SU-8 waveguides by direct laser writing at 405 nm - Ramirez, J. C., Schianti, J. N., Almeida, M. G., Pavani, A., Panepucci, R. R., Hernandez-Figueroa, H. E., & Gabrielli, L. H. (2017). Optical Materials Express (IF 3.0), 7(7), 2651. 10.1364/OME.7.002651
  • Last Advances in Silicon-Based Optical Biosensors - Gavela, A. F., García, D. G., Ramirez, J. C., & Lechuga, L. M. (2016). Sensors, 1–15. 10.3390/s16030285
  • Study of a low-cost trimodal polymer waveguide for interferometric optical biosensors - Ramirez, J. C., Lechuga, L. M., Gabrielli, L. H., & Hernandez-Figueroa, H. E. (2015). Optics Express (IF 3.8), 23(9), 11985. 10.1364/OE.23.011985



  • Mixing Neural Networks and Genetic Algorithms for Optimized LSPR Biosensor Design - Freitas, F. A. N., Villela-Neto, O., and Ramirez, J. C. (2023). 2023 International Conference on Optical MEMS and Nanophotonics (OMN 2023) / 2023 SBFoton International Optics and Photonics Conference, (2023 SBFoton IOPC).
  • Unlocking the Potential of Photonic Crystals: Exploring Designs for High-Performance Switches - Novy, G. F. C., Caporali, G., Marques, T. E. M., Ramirez, J. C., and Villela-Neto, O. (2023). 37th Symposium on Microelectronics Technology and Devices – SBMicro 2023, Chip in Rio 2023.
  • Ultra-Compact Low-Loss Photonic Crystal Waveguide in Serpentine Form - Silva, R., Novy, G. F. C., Villela-Neto, O., and Ramirez, J. C. (2023). 37th Symposium on Microelectronics Technology and Devices – SBMicro 2023, Chip in Rio 2023.
  • Microwave-Based Complementary Split-Ring Resonator for the Detection of Variations in Aqueous Media - Velasquez, R., Tami, D., Medeiros-Ribeiro, G., Rego, C. G., and Ramirez, J. C. (2023). 37th Symposium on Microelectronics Technology and Devices – SBMicro 2023, Chip in Rio 2023.
  • LSPR Biosensor for Selective Detection of the Four Serotypes of Dengue Virus in Seropositive Patients - Ferreira, F. M. F., Backer, J., Freitas, F. A. N., G. S. C., Versiani, A. F., Andrade, L. M., Fonseca, F. G., and Ramirez, J. C. (2022). Latin America Optics and Photonics Conference, (OPTICA, 2022).
  • Adaptive PAM-4 /PAM-8 Graphene-based Electro-Optical Modulator - Camacho, W. M., Carvalho, M. M., Ramirez, J. C., Thoroh de Souza, E. A., and Saito, L. A. M. (2022). Latin America Optics and Photonics Conference, (OPTICA, 2022).
  • Electro-Optical Biosensor Based on Embedded Graphene Capacitor - Portes, A. V. R.; Martins, A. J. L.; & Ramirez, J. C. (2022). CLEO Conference 2022: Science and Innovations. 10.1364/CLEO_AT.2022.JTh3B.16
  • Multiscale Numerical Modeling for Near-Field Microwave Impedance Microscopy - Tami, D., Ohlberg, D. A. A., Ramirez, J. C., Medeiros-Ribeiro, G. & Rego, C. G. (2022). CLEO Conference 2022: Science and Innovations. 10.1364/CLEO_AT.2022.JW3A.6
  • Near-field microwave microscopy of nanostructured materials: modeling and experiment - Tami, D., Ohlberg, D. A. A., Giraldo, B., Ramirez, J. C., Kobayashi, N. P., Rego, C. G., & Medeiros-Ribeiro, G. (2021). SPIE Optics+Photonics . San Diego, CA – USA. (Invited Paper). 10.1117/12.2596798
  • Multi-scale numerical modeling of nanosystems based on Finite Element Method analysis applied to Near-Field Microwave Impedance Microscopy - Tami, D., Ohlberg, D. A. A., Ramirez, J. C., Medeiros-Ribeiro, G. & Rego, C. G. (2021). Photonics and Electromagnetics Research Symposium (PIERS2021). Hangzhou - China.
  • Electro Optical Waveguide Based on Embedded Double-Monolayer Graphene Capacitor - Ramirez, J. C. & Dagli, N. (2021). CLEO Conference 2021: Science and Innovations. 10.1364/CLEO_SI.2021.STh4B.4
  • Highly Efficient Fermi Level Tunning in EO Waveguide Based on Double Layer Graphene Capacitor - Portes, A. V. R., Shimabuko. H. H., Saito, L. A. M., & Ramirez J. C. (2021). SBFoton 2021. 10.1109/SBFotonIOPC50774.2021.9461983
  • LSPR-Based biosensor for Dengue Virus Detection - Teixeira, F. M. F., Machado, G. L., Ferreira, G. S. C., Versiani, A. F., Andrade. L. M., Fonseca, F. G., & Ramirez J. C. (2021). Photonic North 2021.
  • 1nm Resolution With 0.1m Wavelength: Using Twisted Bilayer Graphene Moiré Patterns To Evaluated The Limits Of Near Field Immersion Microscopy - Ohlberg, D. A. A., Tami, D., Gadelha, A. C., Neto, E. G. S., Santana, F. C., Miranda, D., Avelino, W., Watanabe, K., Taniguchi, T., Campos, L. C., Ramirez, J. C., Rego, C. G., Jorio, A., & Medeiros-Ribeiro, G (2021). 28º Congresso Brasileiro de Microscopia e Microanálise.
  • Graphene-based Capacitive Structures Fabrication for Optical Modulation Devices - Shimabuko, H. H., Ramirez, J. C. & Saito, L. A. M. (2020). OSA Frontiers in Optics + Laser Science APS/DLS(FiO – 2020). Granted Paper. 10.1364/FIO.2020.FTu6B.8
  • Fabricação de Estruturas Capacitivas baseadas em Grafeno para Modulação Óptica - Shimabuko, H. H., Ramirez, J. C. & Saito, L. A. M. (2020). . 19o SBMO – Simpósio Brasileiro de Micro-ondas e Optoeletrônica e o 14o CBMag – Congresso Brasileiro de Eletromagnetismo (MOMAG – 2020). Rio de Janeiro, RJ – Brazil.
  • Observation of Moire superlattices on twisted bilayer graphene by scanning microwave impedance microscopy - Ohlberg, D. A. A., Gadelha, A. C., Tami, D., Neto, E. G. S., Miranda, D., Lemos, J. S., Santana, F. C., Campos, L. C., Ramirez, J. C., Rego, C. G., Jorio, A., & Medeiros-Ribeiro, G. (2020). SPIE Optics+Photonics. San Diego, CA – USA. (Invited Paper). 10.1117/12.2570651
  • Near-field microwave microscopy and processing of nanostructured materials - Ohlberg, D. A. A., Tami, D., Brian Giraldo, B., Avelino, W., Ramirez, J. C., Kobayashi, N., Rego, C. G., & Medeiros-Ribeiro, G. (2020). Proc. SPIE 11465, Low-Dimensional Materials and Devices 2020, 114650K. 10.1117/12.2570708
  • Design of Compact Integrated Photonic Crystal NAND and NOR Logic Gates - Pedraza-Caballero, L. E., Povinelli, M. L., Ramirez, J. C., Guimarães, P. S. S., & Vilela-Neto, O. P. (2020). Euromicro DSD/SEAA 2020 Conference. 10.1109/DSD51259.2020.00073
  • Polymer Based Trimodal Interferometric Sensor - Ramirez, J. C., Lechuga, L. M., Hernandez-Figueroa, H. E., & Gabrielli, L. H. (2019). SBFoton International Optics and Photonics Conference (SBFoton IOPC - 2019). São Paulo, SP – Brazil. 10.1109/sbfoton-iopc.2019.8910220
  • Broadband two-pump parametric amplifier in engineered dispersion tellurite waveguides - Marconi, J. D., Abbade, M., Serpa-Imbett, C. M., Cordoba-Ramirez, J., & Fagotto, E. (2016). Latin America Optics and Photonics Conference, (Optical Society of America, 2016), paper LTu4A.11. Medellin — Colombia. 10.1364/LAOP.2016.LTu4A.11
  • Shift of Zero-Dispersion Wavelength and High-order Dispersion due to Bending in Dispersion-Shifted Fibers - Gil-Molina, A., Perez, A., Cordoba, J., & Fragnito, H. L. (2014). Latin America Optics and Photonics Conference, OSA Technical Digest (online) (Optical Society of America, 2014), paper LTh2C.4. Cancun — Mexico. 10.1364/LAOP.2014.LTh2C.4
  • Shift of Zero-Dispersion Wavelength and High-order Dispersion due to Bending in Dispersion-Shifted Fibers - Gil-Molina, A., Perez, A., Cordoba, J., & Fragnito, H. L. (2014). Latin America Optics and Photonics Conference, OSA Technical Digest (online) (Optical Society of America, 2014), paper LTh2C.4. Cancun — Mexico. 10.1364/LAOP.2014.LTh2C.4

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