Search Results - "Fernandez, Iñigo Molina"

Ultracompact polarization converter with a dual subwavelength trench built in a silicon-on-insulator waveguide by Velasco, Aitor V, Calvo, María L, Cheben, Pavel, Ortega-Moñux, Alejandro, Schmid, Jens H, Ramos, Carlos Alonso, Fernandez, Iñigo Molina, Lapointe, Jean, Vachon, Martin, Janz, Siegfried, Xu, Dan-Xia

“…The design and fabrication of an ultracompact silicon-on-insulator polarization converter is reported. The polarization conversion with an extinction ratio of…”
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Waveguide sub-wavelength structures: a review of principles and applications by Halir, Robert, Bock, Przemek J., Cheben, Pavel, Ortega-Moñux, Alejandro, Alonso-Ramos, Carlos, Schmid, Jens H., Lapointe, Jean, Xu, Dan-Xia, Wangüemert-Pérez, J. Gonzalo, Molina-Fernández, Íñigo, Janz, Siegfried

“…Periodic structures with a sub‐wavelength pitch have been known since Hertz conducted his first experiments on the polarization of electromagnetic waves. While…”
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Ultra-broadband nanophotonic beamsplitter using an anisotropic sub-wavelength metamaterial by Halir, Robert, Cheben, Pavel, Luque-González, José Manuel, Sarmiento-Merenguel, Jose Darío, Schmid, Jens H., Wangüemert-Pérez, Gonzalo, Xu, Dan-Xia, Wang, Shurui, Ortega-Moñux, Alejandro, Molina-Fernández, Íñigo

“…Nanophotonic beamsplitters are fundamental building blocks in integrated optics, with applications ranging from high speed telecom receivers to biological…”
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Waveguide grating coupler with subwavelength microstructures by Halir, Robert, Cheben, Pavel, Janz, Siegfried, Xu, Dan-Xia, Molina-Fernández, Iñigo, Wangüemert-Pérez, Juan G

“…We propose a silicon waveguide-fiber grating coupler that uses a subwavelength microstructure to achieve a continuously variable grating strength yet can be…”
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An Ultracompact GRIN‐Lens‐Based Spot Size Converter using Subwavelength Grating Metamaterials by Luque‐González, José Manuel, Halir, Robert, Wangüemert‐Pérez, Juan Gonzalo, de‐Oliva‐Rubio, José, Schmid, Jens H., Cheben, Pavel, Molina‐Fernández, Íñigo, Ortega‐Moñux, Alejandro

“…Graded‐index materials offer virtually complete control over light propagation in integrated photonic chips but can be challenging to implement. Here, an…”
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Bricked Subwavelength Gratings: A Tailorable On‐Chip Metamaterial Topology by Luque‐González, José Manuel, Ortega‐Moñux, Alejandro, Halir, Robert, Schmid, Jens H., Cheben, Pavel, Molina‐Fernández, Íñigo, Wangüemert‐Pérez, J. Gonzalo

“…Integrated metamaterials are redefining the capabilities of silicon photonic chips. In providing lithographic control over dielectric permittivity, dispersion…”
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Optimizing the Limit of Detection of Waveguide-Based Interferometric Biosensor Devices by Leuermann, Jonas, Fernández-Gavela, Adrián, Torres-Cubillo, Antonia, Postigo, Sergio, Sánchez-Postigo, Alejandro, Lechuga, Laura M, Halir, Robert, Molina-Fernández, Íñigo

“…Waveguide-based photonic sensors provide a unique combination of high sensitivity, compact size and label-free, multiplexed operation. Interferometric…”
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Ultra-Broadband Mode Converter and Multiplexer Based on Sub-Wavelength Structures by Gonzalez-Andrade, David, Wanguemert-Perez, Juan Gonzalo, Velasco, Aitor, Ortega-Monux, Alejandro, Herrero-Bermello, Alaine, Molina-Fernandez, Inigo, Halir, Robert, Cheben, Pavel

“…Current bandwidth capacity provided by wavelength-division multiplexing and polarization-division multiplexing is insufficient to keep up with the increasing…”
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Distributed Bragg deflector coupler for on-chip shaping of optical beams by Hadij-ElHouati, Abdelfettah, Cheben, Pavel, Ortega-Moñux, Alejandro, Wangüemert-Pérez, J Gonzalo, Halir, Robert, Schmid, Jens H, Molina-Fernández, Íñigo

“…In integrated optical circuits light typically travels in waveguides which provide both vertical and horizontal confinement, enabling efficient routing between…”
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Nanophotonic Bragg grating assisted Mach–Zehnder interferometers for O-band add-drop filters by Fernández-Hinestrosa, Alejandro, Luque-González, José Manuel, Cheben, Pavel, Schmid, Jens H., Wang, Shurui, Wangüemert-Pérez, J. Gonzalo, Molina-Fernández, Iñigo, Ortega-Moñux, Alejandro

“…Spectral filters are fundamental building blocks in integrated photonics. Bragg grating filters have been demonstrated in silicon waveguides with a wide range…”
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An ultra-compact multimode interference coupler with a subwavelength grating slot by Ortega-Moñux, Alejandro, Alonso-Ramos, Carlos, Maese-Novo, Alejandro, Halir, Robert, Zavargo-Peche, Luis, Pérez-Galacho, Diego, Molina-Fernández, Iñigo, Wangüemert-Pérez, J. Gonzalo, Cheben, Pavel, Schmid, Jens H., Lapointe, Jean, Xu, Danxia, Janz, Siegfried

“…Multimode interference couplers (MMIs) are fundamental building blocks in photonic integrated circuits. Here it is experimentally demonstrated, for the first…”
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Subwavelength-Grating Metamaterial Structures for Silicon Photonic Devices by Halir, Robert, Ortega-Monux, Alejandro, Benedikovic, Daniel, Mashanovich, Goran Z., Wanguemert-Perez, J. Gonzalo, Schmid, Jens H., Molina-Fernandez, Inigo, Cheben, Pavel

“…Segmenting silicon waveguides at the subwavelength scale produce an equivalent homogenous material. The geometry of the waveguide segments provides precise…”
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Fundamental limit of detection of photonic biosensors with coherent phase read-out by Molina-Fernández, Íñigo, Leuermann, Jonas, Ortega-Moñux, Alejandro, Wangüemert-Pérez, J Gonzalo, Halir, Robert

“…Photonic biosensors offer label-free detection of biomolecules for applications ranging from clinical diagnosis to food quality monitoring. Both sensors based…”
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Broadband Five-Port Direct Receiver Based on Low-Pass and High-Pass Phase Shifters by Perez-Lara, Pablo, Molina-Fernandez, Iigo, Wanguemert-Perez, J Gonzalo, Rueda-Perez, Antonio

“…A simple five-port direct receiver achieving broadband performance and high local oscillator to RF isolation is presented. The new circuit comprises three…”
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Broadband and low-loss TM-pass polarizer using tilted subwavelength structures by Barona-Ruiz, Miguel, Pérez-Armenta, Carlos, Ortega-Moñux, Alejandro, Wangüemert-Pérez, Gonzalo, Molina-Fernández, íñigo, Cheben, Pavel, Halir, Robert

“…Photonic systems built on the Silicon-on-Insulator platform exhibit a strong birefringence, and must thus be operated with a single polarization for most…”
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Evanescent field waveguide sensing with subwavelength grating structures in silicon-on-insulator by Gonzalo Wangüemert-Pérez, J, Cheben, Pavel, Ortega-Moñux, Alejandro, Alonso-Ramos, Carlos, Pérez-Galacho, Diego, Halir, Robert, Molina-Fernández, Iñigo, Xu, Dan-Xia, Schmid, Jens H

“…We explore, to the best of our knowledge, the potential of diffractionless subwavelength grating waveguides for sensing applications. We show that by…”
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[INVITED] Subwavelength structures for silicon photonics biosensing by Wangüemert-Pérez, J. Gonzalo, Hadij-ElHouati, Abdelfettah, Sánchez-Postigo, Alejandro, Leuermann, Jonas, Xu, Dan-Xia, Cheben, Pavel, Ortega-Moñux, Alejandro, Halir, Robert, Molina-Fernández, Íñigo

“…•Subwavelength waveguides are very attractive for achieving high performance sensors.•The standard 220 nm silicon-thickness is not optimal for sensing…”
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Suspended germanium waveguides with subwavelength-grating metamaterial cladding for the mid-infrared band by Sánchez-Postigo, Alejandro, Ortega-Moñux, Alejandro, Soler Penadés, Jordi, Osman, Ahmed, Nedeljkovic, Milos, Qu, Zhibo, Wu, Yangbo, Molina-Fernández, Íñigo, Cheben, Pavel, Mashanovich, Goran Z., Wangüemert-Pérez, J. Gonzalo

“…In recent years, sensing and communication applications have fueled important developments of group-IV photonics in the mid-infrared band. In the long-wave…”
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Narrowband Bragg filters based on subwavelength grating waveguides for silicon photonic sensing by Pérez-Armenta, Carlos, Ortega-Moñux, Alejandro, Čtyroký, Jiří, Cheben, Pavel, Schmid, Jens H, Halir, Robert, Molina-Fernández, Íñigo, Wangüemert-Pérez, J Gonzalo

“…Subwavelength grating (SWG) waveguides have been shown to provide enhanced light-matter interaction resulting in superior sensitivity in integrated photonics…”
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High-Performance Bimodal Evanescent-Field Sensor With Coherent Phase Readout by Torres-Cubillo, Antonia, Luque-Gonzalez, Jose Manuel, Sanchez-Postigo, Alejandro, Fernandez-Gavela, Adrian, Wanguemert-Perez, Juan Gonzalo, Molina-Fernandez, Inigo, Halir, Robert

“…By comparing optical signals travelling through a sensing and a reference arm, interferometric photonic sensors achieve remarkable sensitivities and detection…”
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