ListarIC - Contribuciones a congresos científicos por tema "Integrated optics"
Mostrando ítems 1-15 de 15
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Automatic design of high-performance fiber-chip surface grating couplers based on Floquet-Bloch mode analysis
(2018-04-30)We propose a new strategy to automatically design highly efficient fiber-chip surface grating couplers. High performance designs are achieved with a substantially reduced computational cost by combining Floquet-Bloch mode ... -
Bricked and evanescently-coupled topologies: expanding the portfolio of subwavelength metamaterial silicon photonic devices
(SPIE, 2023-02)We present two novel topologies of subwavelength grating (SWG) waveguides: the bricked-SWG and the evanescently-coupled-SWG. The bricked topology enables accurate control of waveguide anisotropy while maintaining the index ... -
Designing polarization management devices by tilting subwavelength grating structures
(2019-05-03)Subwavelength gratings (SWG) are periodic structures which behave as controllable homogeneous metamaterials. SWGs are extremely interesting when they are used in platforms with a limited choice of material refractive indices, ... -
Engineering the optical properties of silicon using sub-wavelength structures
(IEEE Photonics Society, 2013)In most integrated optics platforms, including silicon-on-insulator, only minor modifications in refractive index are possible. The geometry of the waveguiding structure is thus the only degree of freedom for the design ... -
Integrated metamaterial surface-emitting antenna for beam steering applications
(2021-12)Integrated optical antennas are relevant devices for the development of next-generation LIDAR systems. Here we experimentally demonstrate a new topology to implement long antennas in silicon-on-insulator platform. The ... -
Metamaterial antenna array fed by distributed Bragg deflector for beam steering on SOI platform
(2023)The capability to radiate collimated steerable beams of light is crucial for many applications, such as remote sensing and free-space optical communications. Here we experimentally demonstrate a novel 1D-antenna array ... -
Metamaterial antenna array fed by distributed Bragg deflector for SOI platform
(2022)We propose a distributed Bragg deflector working as a low loss (<0.3 dB) ultra compact beam expander, which generates an on chip Gaussian beam that illuminates a 1D array of 112 optical antennas with a length of 1.5 mm . ... -
Mid-infrared Suspended Waveguide Platform and Building Blocks
(2018-06-05)In this work we present our recent progress in the development of a platform for the mid-infrared wavelength range, based on suspended silicon waveguide with subwavelength metamaterial cladding. The platform has some ... -
Recent progress in subwavelength grating metamaterial engineered silicon photonic devices.
(2023)In this talk we present our recent advances in SWG metamaterial engineering. We will show a 1D-optical phased array composed of 112 evanescent-coupled surface emitting antennas with a length of 1.5 mm and fed by a compact ... -
Silicon Photonic Bragg Grating Structures for Spectral Filtering.
(2024)Integrated optical filters play a key role in modern optical systems, finding extensive applications in quantum optics, biosensing, programmable photonics, and telecommunications. Among the most commonly used structures ... -
Silicon-on-insulator polarization controller with relaxed fabrication tolerances
(2014-07-31)Polarization control is essential in applications ranging from optical communications to interferometric sensors. The implementation of in- tegrated polarization controllers is challenging as they require polariza- tion ... -
Subwavelength-engineered metamaterial devices for integrated photonics
(2022)The engineering of subwavelength grating metamaterials has become an essential design strategy in silicon photonics. The lithographic segmentation of integrated waveguides at the subwavelength scale enables the synthesis ... -
Subwavelength-grating metamaterial integrated devices for the near- and mid-infrared wavelengths
(2021)The subwavelength patterning of planar structures is now widely used in silicon photonics, enabling the synthesis of metamaterials with engineered optical properties, including refractive index, dispersion, and anisotropy. ... -
Towards Simultaneous Absorption and Refractive Index Sensing using Integrated Photonics.
(2023-08-01)Photonic integrated sensors traditionally detect changes either in optical amplitude or phase. Here we experimentally demonstrate a sensing architecture which measures both amplitude and phase, enabling simultaneous detection ... -
Ultra-broadband polarization beam splitter with a gradual anisotropy engineered subwavelength metamaterial
(2022-06)In this work we propose a polarization beam splitter based on an advanced SWG metamaterial topology which controls the propagation of multiple TE and TM modes at the same time. The proposed device achieves a simulated ...