182 citations · 691 across the 22 of their papers we have counts for
25 papers
Nonvolatile reconfigurable polarization rotator at datacom wavelengths based on a Sb2Se3/Si waveguide
Jorge Parra, Miroslavna Kovylina, Amadeu Griol +1
Silicon photonics has become a key platform for photonic integrated circuits (PICs) due to its high refractive index and compatibility with complementary metal-oxide-semiconductor…
Cascaded injection locking of optomechanical crystal oscillators
David Alonso-Tomás, Guillermo Arregui, Laura Mercadé +4
Optomechanical oscillators stand out as high-performance and versatile candidates for serving as reference clocks in sequential photonic integrated circuits. Indeed, they have the…
Optomechanical cavities based on epitaxial GaP on nominally (001)-oriented Si
Paula Mouriño, Laura Mercadé, Miguel Sinusía Lozano +8
Gallium phosphide (GaP) has recently received considerable attention as a suitable material for building photonic integrated circuits due to its remarkable optical and piezoelectri…
Master-Slave synchronization of silicon optomechanical nanobeam oscillators by external feedback
David Alonso-Tomás, Nestor E. Capuj, Laura Mercadé +3
The remote synchronization of oscillators is essential for improving the performance, efficiency, and reliability of various systems and technologies, ranging from everyday telecom…
Accurate Transfer of Individual Nanoparticles onto Single Photonic Nanostructures
J. Redolat, M. Camarena-Pérez, A. Griol +5
Controlled integration of metallic nanoparticles (NPs) onto photonic nanostructures enables realization of complex devices for extreme light confinement and enhanced light-matter i…
Engineering multiple GHz mechanical modes in optomechanical crystal cavities
Laura Mercadé, Raúl Ortiz, Alberto Grau +3
Optomechanical crystal cavities (OMCCs) are fundamental nanostructures for a wide range of phenomena and applications. Usually, optomechanical interaction in such OMCCs is limited…
Experimental observation of higher-order anapoles in individual silicon disks under in-plane illumination
Evelyn Diaz-Escobar, Angela I. Barreda, Amadeu Griol +1
Anapole states - characterized by a strong suppression of far-field scattering - naturally arise in high-index nanoparticles as a result of the interference between certain multipo…
Testing optomechanical microwave oscillators for SATCOM application
Laura Mercadé, Eloy Rico, Jesús Ruiz Garnica +5
The realization of photonic microwave oscillators using optomechanical cavities has recently become a reality. By pumping the cavity with a blue-detuned laser, the so-called phonon…
Optomechanical Modulation Spectroscopy of Bound-States-In-The-Continuum in a dielectric metasurface
S. Zanotto, G. Conte, L. C. Bellieres +5
Elusive features in photonic and electronic devices can be detected by means of advanced, time-domain spectroscopic techniques. In this letter we introduce a novel kind of modulati…
Photonic Frequency Conversion of OFDM Microwave Signals in a Wavelength-Scale Optomechanical Cavity
Laura Mercadé, Maria Morant, Amadeu Griol +2
Optomechanical (OM) cavities enable coupling of near-infrared light and GHz-frequency acoustic waves in wavelength-scale volumes. When driven in the phonon lasing regime, an OM cav…
Room-temperature silicon platform for GHz-frequency nano-electro-opto-mechanical systems
D. Navarro-Urrios, M. F. Colombano, G. Arregui +7
Nano-electro-opto-mechanical systems enable the synergistic coexistence of electrical, mechanical, and optical signals on a chip to realize new functions. Most of the technology pl…
Thermal properties of nanocrystalline silicon nanobeams
Jeremie Maire, Emigdio Chavez-Angel, Guillermo Arregui +7
Controlling thermal energy transfer at the nanoscale has become critically important in many applications and thermal properties since it often limits device performance. In this w…
Injection locking in an optomechanical coherent phonon source
Guillermo Arregui, Martin Facundo Colombano, Jérémie Maire +6
Spontaneous locking of the phase of a coherent phonon source to an external reference is demonstrated in an optomechanical oscillator based on a self-triggered free-carrier/tempera…
High frequency mechanical excitation of a silicon nanostring with piezoelectric aluminum nitride layers
A. Pitanti, T. Makkonen, M. F. Colombano +8
A strong trend for quantum based technologies and applications follows the avenue of combining different platforms to exploit their complementary technological and functional advan…
Microwave generation and frequency comb in a silicon optomechanical cavity with a full phononic bandgap
Laura Mercadé, Leopoldo L. Martín, Amadeu Griol +2
Cavity optomechanics has become a powerful tool to manipulate mechanical motion via optical fields. When driving an optomechanical cavity with blue-detuned laser the mechanical mot…
Properties of Nanocrystalline Silicon Probed by Optomechanics
Daniel Navarro-Urrios, Martin F. Colombano, Jeremie Maire +13
Nanocrystalline materials exhibit properties that can differ substantially from those of their single crystal counterparts. As such, they provide ways to enhance and optimise their…
Synchronization of optomechanical cavities by mechanical interaction
M. F. Colombano, G. Arregui, N. E. Capuj +7
The synchronization of coupled oscillators is a phenomenon found throughout nature. Mechanical oscillators are paradigmatic among such systems, but realising them at the nanoscale…
Optical modulation of coherent phonon emission in optomechanical cavities
J. Maire, N. E. Capuj, M. F. Colombano +4
Optomechanical structures are well suited to study photon-phonon interactions, and they also turn out to be potential building blocks for phononic circuits and quantum computing. I…
Nanocrystalline silicon optomechanical cavities
D. Navarro-Urrios, N. E. Capuj, J. Maire +9
Silicon on insulator photonics has offered a versatile platform for the recent development of integrated optomechanical circuits. However, there are some constraints such as the hi…
Nonlinear dynamics and chaos in an optomechanical beam
D. Navarro-Urrios, N. E. Capuj, M. F. Colombano +6
Optical non-linearities, such as thermo-optic effects and free-carrier-dispersion, are often considered as undesired effects in silicon-based resonators and, more specifically, opt…
Experimental measurement of plasmonic nanostructures embedded in silicon waveguide gaps
Alba Espinosa-Soria, Amadeu Griol, Alejandro Martínez
In this work, we report numerical simulations and experiments of the optical response of a gold nanostrip embedded in a silicon strip waveguide gap at telecom wavelengths. We show…
Universal method for the synthesis of arbitrary polarization states radiated by a nanoantenna
Francisco J. Rodriguez-Fortuno, Daniel Puerto, Amadeu Griol +3
Optical nanoantennas efficiently convert confined optical energy into free-space radiation. The polarization of the emitted radiation depends mainly on nanoantenna shape, so it bec…
A self-stabilized coherent phonon source driven by optical forces
Daniel Navarro-Urrios, Nestor E. Capuj, Jordi Gomis-Bresco +5
Optical forces can set tiny objects into states of coherent mechanical oscillation, also known as mechanical or phonon lasing. We present a novel pumping mechanism in an opto-mecha…
A 1D Optomechanical crystal with a complete phononic band gap
J. Gomis-Bresco, D. Navarro-Urrios, M. Oudich +9
Recent years have witnessed the boom of cavity optomechanics, which exploits the confinement and coupling of optical and mechanical waves at the nanoscale. Amongst their physical i…