Our group is focused on the development of high performance photonic integrated devices, especially in the field of silicon photonics, with high expertise in design, fabrication and characterization at chip level. We have a strong track-record on the development of passive and active photonic devices. One of the main areas of expertise is the development of silicon optical switches and modulators by means of innovative approaches. The integration of materials with unique optical properties into photonic devices to enhance electro-optical and all-optical functionalities is also a key research activity within our group.

  1. Low-threshold power and tunable integrated optical limiter based on an ultracompact VO2/Si waveguide

    J. Parra, J. Navarro-Arenas, M. Menguini, M. Recaman, J-P. Locquet, and P. Sanchis, APL Photonics, vol. 6, p. 21301-1/6, 2021.


  2. A SiGe Slot Approach for Enhancing Strain Induced Pockels Effect in the Mid-IR Range

    I. Olivares, P. Sanchis, IEEE Photon. Tech. Lett., vol. 33, no. 16, pp. 848-851, 2021.


  3. Co-Package Technology Platform for Low-Power and Low-Cost Data Centers

    K. Papatryfonos, et al., Applied Science, vol. 11, pp. 6098-1/24, 2021.


  4. Ultra-compact optical switches using slow light bimodal silicon waveguides

    L. Torrijos-Morán, A. Brimont, A. Griol, P. Sanchis, J. García-Rupérez
    Journal of Lightwave Technology , Vol. 39, pp. 3495-3501, 2021


  5. Towards non-volatile switching in silicon photonic devices

    J. Parra I. Olivares, A. Brimont, P. Sanchis, Laser and Photonics Review, 2000501-1/18, 2021.


  6. All‑optical phase control in nanophotonic silicon waveguides with epsilon‑near‑zero nanoheaters

    J. Parra, W.H. Pernice, P. Sanchis, Scientific Reports, vol. 11, pp. 9474, 2021.


  7. Non-volatile photonic memory based on a SAHAS configuration

    I. Olivares, J. Parra, P. Sanchis, IEEE Photonics Journal, vol.13, no. 2, pp. 4600108-1/9, 2021.


  8. All-Optical Hybrid VO2/Si Waveguide Absorption Switch at Telecommunication Wavelengths

    J. Parra, T. Ivanova, M. Menguini, P. Homm, J-P. Locquet, and P. Sanchis, Journal of Lightwave Technology, vol. 39, no.9, pp.2888-2894, 2021.


  9. Refractive indices of MBE-grown Al x Ga (1− x ) As ternary alloys in the transparent wavelength region

    K. Papatryfonos, T. Angelova, A. Brimont, B. Reid, S. Guldin, P. R. Smith, M. Tang, K. Li, A. J. Seeds, H. Liu, and D. R. Selviah, AIP Adv., vol. 11, no. 2, p. 025327, 2021.


  10. VO2 nanophotonics

    S. Cueff, J. John, Z. Zhang, J. Parra, J. Sun, R. Orobtchouk, S. Ramanathan, P. Sanchis
    APL Photonics, vol. 5, no. 11, p. 110901, Nov. 2020


  11. Ultra-compact non-volatile Mach–Zehnder switch enabled by a high-mobility transparent conducting oxide

    J. Parra, F. Ramos, I. Olivares, and P. Sanchis
    Opt. Lett., vol. 45, no. 16, pp. 1503-1506, 2020


  12. Ultra-low loss hybrid ITO/Si thermo-optic phase shifter with optimized power consumption

    J. Parra, J. Hurtado, A. Griol, and P. Sanchis
    Opt. Express, vol. 28, no. 7, pp. 9393-9404, 2020


  13. Functional oxides in photonic integrated devices

    G. Herranz and P. Sanchis
    Applied Surface Science, vol. 482, pp. 52-55, 2019


  14. Enhancing Pockels effect in strained silicon waveguides

    I. Olivares, J. Parra, A. Brimont and P. Sanchis
    Opt. Express, vol. 27, no.19, pp. 26882-26892, 2019


  15. Alignment Tolerant, Low Voltage, 0.23, Push-Pull Silicon Photonic Switches Based on a Vertical pn Junction

    A. Zanzi, C. Vagionas, A. Griol, A. Rosa, S. Lechago, M. Moralis-Pegios, K. Vyrsokinos, N. Pleros, J. Kraft, V. Sidorov, B. Sirbu, T.Tekin, P. Sanchis and A. Brimont

    Opt. Express, vol. 27, no. 22, pp. 32409-32426, 2019.


  16. Large Pockels effect in micro- and nano-structured barium titanate integrated on silicon

    S Abel, F. Eltes, J. E. Ortmann, A. Messner, P. Castera, T. Wagner, D. Urbonas, A. Rosa, A. M. Gutierrez, D. Tulli, P. Ma, B. Baeuerle, A. Josten, W. Heni, D. Caimi, L. Czornomaz, A. Demkov, J. Leuthold, P. Sanchis, J. Fompeyrine
    Nature Materials, vol. 18, pp. 42–47, 2019


  17. Integration of transparent conducting oxides in photonic circuits for enabling high performance functionalities on silicon

    J. Parra, S. Hernández, B. Garrido, P. Sanchis,
    E-MRS Fall Meeting, September 16 to 18, Warsaw (Poland), 2019


  18. Non-volatile epsilon-near-zero readout memory

    J. Parra, I. Olivares, A. Brimont and P. Sanchis
    Opt. Lett., vol. 44, no. 16, pp. 3952-3935, 2019


  19. Fiber-to-Chip Spot-Size Converter for Coupling to Silicon Waveguides in the O-band technology

    R. Larrea, A. M. Gutierrez, A. Griol, A. Brimont, and P.  Sanchis
    IEEE Photon. Tech. Lett., vol. 31, no. 1, pp. 31-34, 2019


  20. Experimental demonstration of a tunable transverse electric pass polarizer based on hybrid VO2/silicon technology

    L. D. Sanchez, I. Olivares, J. Parra, M. Menguini, P. Homm, J-P. Locquet, P. Sanchis
    Opt. Lett., vol. 43, no. 15, pp. 3650-3653, 2018


  21. Microwave index engineering for slow-wave coplanar waveguides

    A. Rosa, S. Verstuyft, A. Brimont, D. Van Thourhout and P. Sanchis
    Scientific Reports, vol. 8, pp. 5672, 2018


  22. Optical switching in hybrid VO2/Si waveguides thermally triggered by lateral microheaters

    I. Olivares, L. Sanchez, J. Parra, R. Larrea, A. Griol, M. Menguini, P. Homm, L.W. Jang, B, Van Bilzen, J. W. Seo, J-P. Locquet, P. Sanchis
    Opt. Express, vol. 26, no. 10, pp. 12387-12395, 2018


  23. Design method for high performance grating couplers in photonic integrated circuits

    R. Larrea, A. M. Gutierrez, P. Sanchis
    Optical and Quantum Electronics, vol. 50, no. 341, pp. 1-9, 2018


  24. Resistive switching and charge transport mechanisms in ITO/ZnO/p-Si devices

    O. Blázquez, J. L. Frieiro, J. López-Vidrier, C. Guillaume, X. Portier, C. Labbé, P. Sanchis, S. Hernández and B. Garrido
    Appl. Phys. Lett., vol. 113, 183502-1/6, 2018


  25. Compact focusing grating couplers for silicon horizontal slot waveguides

    R. A. Larrea, A. M. Gutierrez, J. Hurtado, J.M. Ramírez, B. Garrido and P. Sanchis
    Opt. Lett., vol. 42, no. 3, pp. 490-493, 2017


  26. Ultra-compact electro-absorption VO2–Si modulator with TM to TE conversion

    L. Sanchez, F. Cortés-Juan, A. Rosa, P. Sanchis
    Journal of Optics, vol. 19, no. 3, pp. 035401 (1-6), 2017


  27. Impact of the external resistance on the switching power consumption in VO2 nano gap junctions

    L.Sanchez, A. Rosa, A. Griol, A .Gutierrez, P. Homm, B. Van Bilzen, M. Menghini, J.P. Locquet, and P. Sanchis
    App. Phys. Lett., vol. 111, pp. 031904, 2017


  28. On the influence of interface charging dynamics and stressing conditions in strained silicon devices

    I. Olivares, T. Angelanova, P. Sanchis
    Scientific Reports, vol. 7, pp. 7241, 2017


  29. Barium Titanate (BaTiO3) RF Characterization for Application in Electro-Optic Modulator

    A.Rosa, D. Tulli, P. Castera, A. M. Gutierrez,  A. Griol, M. Baquero, B. Vilquin, F. Eltes, S. Abel, J. Fompeyrine and P. Sanchis
    Opt. Materials Express, vol 7, no. 12, pp. 4328-4336, 2017


  30. Low-loss and compact silicon rib waveguide bends

    A. Brimont, X. Hu, S. Cueff, P. Rojo Romeo, G. Saint Girons, A. Griol, A. Zanzi, P. Sanchis, R. Orobtchouk
    IEEE Photon. Tech. Lett., vol. 28, no. 3, pp. 299-302, 2016


  31. Compact and low loss asymmetrical multimode interference (A-MMI) splitter for power monitoring applications

    A. Zanzi, A. Brimont, A. Griol, P. Sanchis, J. Marti
    Optics Letters, vol. 41, no. 12, pp. 227-229, 2016


  32. Luminescence properties of Ce3+ and Tb3+ co-doped SiOxNy thin films: Prospects for color tunability in silicon-based hosts

    J. M. Ramírez, A. Ruiz-Caridad, J. Wojcik, A. M. Gutierrez, S. Estradé, F. Peiró, P. Sanchis, P. Mascher, and B. Garrido
    Journal of Applied Physics , vol. 119, pp. 113108-1/13, 2016


  33. High performace silicon 2×2 optical switch based on a thermo-optically tunable multimode interference coupler and efficient electrodes

    A. Rosa, A. Gutierrez, A. Brimont, A. Griol, P. Sanchis
    Optics Express, vol. 24, no. 1, pp. 191-198, 2016


  34. Electro-Optical Modulation based on Pockels effect in BaTiO3 with a Multi-Domain Structure

    P. Castera, A.M. Gutierrez, D. Tulli, S. Cueff, R. Orobtchouk, P. Rojo Romeo, G.  Saint-Girons, and P. Sanchis
    IEEE Photon. Tech. Lett., vol. 28, no. 9, pp. 990-993, 2016


  35. Influence of BaTiO3 ferroelectric orientation for electro-optic modulation on silicon

    P. Castera, D. Tulli, A.M. Gutierrez, P. Sanchis
    Optics Express, vol. 23, no. 12, pp. 15332-15342, 2015


Pablo Sanchis Kilders - Group leader

Juan Navarro Arenas - Postdoctoral researcher

Jorge Parra Gómez - Predoctoral researcher

Miguel Ribera Vicent - Junior researcher

Román Montalvo López - Junior researcher


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