PHOTONICS INTEGRATED DEVICES

Local Tuning of the Epsilon-Near-Zero Condition in Hybrid Silicon Waveguides Using Reactive Laser Annealing
J. Navarro-Arenas, T. M. Howe, J. Parra, D. C. Koutsogeorgis, J. A. Hillier, N. Kalfagiannis, P. Sanchis Adv. Phot. Res., 2400140, 1-7, 2025

Nonvolatile reconfigurable polarization rotator at datacom wavelengths based on a Sb~2~Se~3~/Si waveguide
J. Parra, M. Kovylina, A. Griol, P. Sanchis Opt. Express, vol. 32, no. 23, pp.40581-40592, 2024. 

On-chip electro-optical spiking VO₂/Si device with an inhibitory leaky integrate-and-fire response
J. Morcillo, P.Sanchis, J. Parra Opt. Mat. Express, vol. 14, no. 11, pp. 2681-2693, 2024

Ultra-high endurance silicon photonic memory using vanadium dioxide
J .J. Seoane, J. Parra, J. Navarro-Arenas, M. Recaman, K. Schouteden, J.P. Loquet, P. Sanchis npj Nanophotonics, vol. 1:37, pp. 1-5, 2024

Synchronization of two chaotic microresonator frequency combs
D. Moreno, S. Fujii, A. Nakashima, D. Lemcke, A. Uchida, P. Sanchis, and T. Tanabe Opt. Express, vol. 32, no. 2, pp. 2460-2472, 2024

Silicon thermo-optic phase shifters: a review of configurations and optimization strategies
J. Parra, J. Navarro-Arenas, P. Sanchis, Adv. Photon. Nexus, vol. 3, no. 4, pp. 044001-1/17, 2024. 

Enhanced BaTiO3/Si3N4 integrated photonic platform with VO2 technology for large-scale neuromorphic computing [Invited]
J. J. Seoane, J. Parra, J. Navarro-Arenas, P. Sanchis, Opt. Mat. Express, vol. 13, no. 11, pp. 3266-3276, 2023

Complex-valued trainable activation function hardware using a TCO/silicon modulator
J. Navarro, J. Parra, P. Sanchis, Opt. Mat. Express, vol. 13, no. 10, pp. 2869-2881, 2023.

Comparative perforamnce evaluation of transparent conducting oxides with diferent mobilities for all-optical switching in silicon
J. Parra, J. Navarro-Arenas, P. Sanchis, IEEE Journal of Quantum Electronics, vol. 59, no. 3, pp. 1-7, 2023

Impact of GST thickness on GST-loaded silicon waveguides for optimal optical switching
J. Parra, J. Navarro-Arenas, M. Kovylina, P. Sanchis, Scientific Report, vol. 12, pp. 9774, 2022

Ultrafast all-optical phase switching enabled by epsilon-near-zero materials in silicon
J. Navarro-Arenas, J. Parra, P. Sanchis, “Ultrafast all-optical phase switching enabled by epsilon-near-zero materials in silicon”, Optics Express, vol. 30, no. 9, pp. 14518-14529, 2022.

High-efficiency grating coupler for ultra-low loss Si3N4 based platform
B. Chmielak, S. Suckow, J. Parra, V. C. Duarte, T. Mengual, M. A. Piqueras, A. L. Giesecke, M. C. Lemme, P. Sanchis,  Optics Letters, vol. 47, no. 10, pp. 2498-2501, 2022.

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.

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.

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.

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

Towards non-volatile switching in silicon photonic devices
J. Parra I. Olivares, A. Brimont, P. Sanchis, Laser and Photonics Review, 2000501-1/18, 2021.

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.

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

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.

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.

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

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

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

Functional oxides in photonic integrated devices
G. Herranz and P. Sanchis
Applied Surface Science, vol. 482, pp. 52-55, 2019

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

Alignment Tolerant, Low Voltage, 0.23 V.cm, 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.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Jorge Parra Gómez – Postdoctoral researcher

Jorge Caso Prieto – Predoctoral researcher

Iñigo López Mulet – Predoctoral researcher

Juan Francisco Morcillo Roldan – Junior researcher