Laureano Moreno-Pozas, Miguel Barona-Ruiz, Robert Halir, José De Oliva Rubio, Jorge Rivas-Fernández, Iñigo Molina-Fernández, J. Gonzalo Wangüemert-Pérez, Alejandro Ortega-Moñux.
Parabolic dielectric reflector for extreme on-chip spot-size conversion with broad bandwidth,
Optics Letters, vol. 50, no. 4, pp. 1073–1076,
2025.
J. J. Imas, Ignacio Del Villar, Robert Halir, J. Gonzalo Wangüemert-Pérez, Alejandro Ortega-Moñux, Ignacio R. Matías, Iñigo Molina-Fernández.
A systemic model for lossy mode resonances (LMRs),
Optics & Laser Technology, vol. 182, pp. 112070,
2025.
Available on RIUMA.
Valerio Vitali, Thalía Domínguez Bucio, Hao Liu, José Manuel Luque González, Francisco Jurado-Romero, Alejandro Ortega-Moñux, Glenn Churchill, James C. Gates, James Hillier, Nikolaos Kalfagiannis, Daniele Melati, Jens H. Schmid, Ilaria Cristiani, Pavel Cheben, J. Gonzalo Wangüemert-Pérez, Iñigo Molina-Fernández, Frederic Gardes, Cosimo Lacava, Periklis Petropoulos.
Fully integrated and broadband Si-rich silicon nitride wavelength converter based on Bragg scattering intermodal four-wave mixing,
Photon. Res., vol. 12, no. 3, pp. A1–A10,
2024.
Alejandro Sánchez Postigo, Pablo Ginel Moreno, Jens H. Schmid, Abdelfettah Hadij-ElHouati, Alejandro Ortega-Moñux, J. Gonzalo Wangüemert-Pérez, Robert Halir, Pavel Cheben, Íñigo Molina-Fernández.
Ultra-efficient surface grating couplers for chip-to-fiber and chip-to-free-space coupling based on single-beam radiation,
Optics Express, vol. 32, pp. 41156–41172,
2024.
Editors’ Pick, Available on RIUMA.
Alejandro Fernández-Hinestrosa, José Manuel Luque González, Pavel Cheben, Jens H. Schmid, Shurui Wang, J. Gonzalo Wangüemert-Pérez, Iñigo Molina-Fernández, Alejandro Ortega-Moñux.
Nanophotonic Bragg grating assisted Mach–Zehnder interferometers for O-band add-drop filters,
Scientific Reports, vol. 14, pp. 18492,
2024.
Pavel Cheben, Jens H. Schmid, Robert Halir, José Manuel Luque González, J. Gonzalo Wangüemert-Pérez, Daniele Melati, Carlos Alonso Ramos.
Recent advances in metamaterial integrated photonics,
Adv. Opt. Photon., vol. 15, no. 4, pp. 1033–1105,
2023.
Carlos Pérez Armenta, Kevan K. Mackay, Abdelfettah Hadij-ElHouati, A. Ortega-Moñux, I. Molina-Fernández, J. Gonzalo Wangüemert-Pérez, Jens H. Schmid, Pavel Cheben, Winnie N. Ye.
Thermally induced sideband generation in silicon-on-insulator cladding modulated Bragg notch filters,
Opt. Express, vol. 31, no. 13, pp. 22225–22232,
2023.
Carlos Pérez Armenta, Alejandro Ortega-Moñux, José Manuel Luque González, Robert Halir, Jens Schmid, Pavel Cheben, Iñigo Molina-Fernández, J. Gonzalo Wangüemert-Pérez.
Polarization insensitive metamaterial engineered multimode interference coupler in a 220 nm silicon-on-insulator platform,
Optics & Laser Technology, vol. 164, pp. 109493,
2023.
Miguel Barona-Ruiz, Carlos Pérez Armenta, Alejandro Ortega-Moñux, Gonzalo Wangüemert-Pérez, Iñigo Molina-Fernández, Pavel Cheben, Robert Halir.
Broadband and low-loss TM-pass polarizer using tilted subwavelength structures,
Opt. Express, vol. 30, no. 21, pp. 38930–38937,
2022.
Carlos Pérez Armenta, Alejandro Ortega-Moñux, José Manuel Luque González, Robert Halir, Pedro J. Reyes-Iglesias, Jens Schmid, Pavel Cheben, Iñigo Molina-Fernández, J. Gonzalo Wangüemert-Pérez.
Polarization-independent multimode interference coupler with anisotropy-engineered bricked metamaterial,
Photon. Res., vol. 10, no. 4, pp. A57–A65,
2022.
Pablo Ginel Moreno, Abdelfettah Hadij-ElHouati, Alejandro Sánchez Postigo, J. Gonzalo Wangüemert-Pérez, Íñigo Molina-Fernández, Jens H. Schmid, Pavel Cheben, Alejandro Ortega-Moñux.
On-Chip Metamaterial Antenna Array with Distributed Bragg Deflector for Generation of Collimated Steerable Beams,
Laser & Photonics Reviews, vol. 16, no. 9, pp. 2200164,
2022.
Daniel Benedikovič, Qiankun Liu, Alejandro Sánchez Postigo, Ahmad Atieh, Tom Smy, Pavel Cheben, Winnie N. Ye.
Circular Optical Phased Array with Large Steering Range and High Resolution,
Sensors, vol. 22, no. 16, 6135,
2022.
Callum J. Stirling, Robert Halir, Alejandro Sánchez Postigo, Zhibo Qu, Jamie D. Reynolds, Jordi Soler Penadés, Ganapathy Senthil Murugan, Alejandro Ortega-Moñux, J. Gonzalo Wangüemert-Pérez, Iñigo Molina-Fernández, Goran Z. Mashanovich, Milos Nedeljkovic.
Broadband 2x2 multimode interference coupler for mid-infrared wavelengths,
Opt. Lett., vol. 46, no. 21, pp. 5300–5303,
2021.
Abdelfettah Hadij-ElHouati, Alejandro Ortega-Moñux, J. Gonzalo Wangüemert-Pérez, Robert Halir, Shurui Wang, Jens H. Schmid, Pavel Cheben, I. Molina-Fernández.
Low-loss off-axis curved waveguide grating demultiplexer,
Opt. Lett., vol. 46, no. 19, pp. 4821–4824,
2021.
Pablo Ginel Moreno, Alejandro Sánchez Postigo, José De Oliva Rubio, Abdelfettah Hadij-ElHouati, Winnie N. Ye, J. Gonzalo Wangüemert-Pérez, Iñigo Molina-Fernández, Jens H. Schmid, Pavel Cheben, Alejandro Ortega-Moñux.
Millimeter-long metamaterial surface-emitting antenna in the silicon photonics platform,
Opt. Lett., vol. 46, no. 15, pp. 3733–3736,
2021.
Alejandro Sánchez Postigo, Alejandro Ortega-Moñux, Jordi Soler Penadés, Ahmed Osman, Milos Nedeljkovic, Zhibo Qu, Yangbo Wu, Iñigo Molina-Fernández, Pavel Cheben, Goran Z. Mashanovich, J. Gonzalo Wangüemert-Pérez.
Suspended germanium waveguides with subwavelength-grating metamaterial cladding for the mid-infrared band,
Opt. Express, vol. 29, no. 11, pp. 16867–16878,
2021.
Abdelfettah Hadij-ElHouati, Pavel Cheben, Alejandro Ortega-Moñux, J. Gonzalo Wangüemert-Pérez, Robert Halir, José De Oliva Rubio, Jens H. Schmid, Iñigo Molina-Fernández.
High-efficiency conversion from waveguide mode to an on-chip beam using a metamaterial engineered Bragg deflector,
Opt. Lett., vol. 46, no. 10, pp. 2409–2412,
2021.
Daniel Pereira Martín, José Manuel Luque González, J. Gonzalo Wangüemert-Pérez, Abdelfettah Hadij-ElHouati, Iñigo Molina-Fernández, Pavel Cheben, Jens H. Schmid, Shurui Wang, Winnie N. Ye, Jiří Čtyroký, Alejandro Ortega-Moñux.
Complex spectral filters in silicon waveguides based on cladding-modulated Bragg gratings,
Opt. Express, vol. 29, no. 11, pp. 15867–15881,
2021.
David González-Andrade, Raquel Fernández De Cabo, Jaime Vilas, Irene Olivares, Antonio Dias, José Manuel Luque González, J. Gonzalo Wangüemert-Pérez, Alejandro Ortega-Moñux, Íñigo Molina-Fernández, Robert Halir, Pavel Cheben, Aitor v. Velasco.
Mode Converter and Multiplexer With a Subwavelength Phase Shifter for Extended Broadband Operation,
IEEE Photonics Technology Letters, vol. 33, no. 22, pp. 1262-1265,
2021.
José Manuel Luque González, Alejandro Ortega-Moñux, Robert Halir, Jens H. Schmid, Pavel Cheben, Íñigo Molina-Fernández, J. Gonzalo Wangüemert-Pérez.
Bricked Subwavelength Gratings: A Tailorable On-Chip Metamaterial Topology,
Laser & Photonics Reviews, vol. 15, no. 6, pp. 2000478,
2021.
Alejandro Sánchez Postigo, Robert Halir, J. Gonzalo Wangüemert-Pérez, Alejandro Ortega-Moñux, Shurui Wang, Martin Vachon, Jens H. Schmid, Dan-Xia Xu, Pavel Cheben, Íñigo Molina-Fernández.
Breaking the Coupling Efficiency-Bandwidth Trade-Off in Surface Grating Couplers Using Zero-Order Radiation,
Laser & Photonics Reviews, vol. 15, no. 6, pp. 2000542,
2021.
David Izquierdo, Jesús Clemente, Pedro J. Reyes-Iglesias, Alejandro Ortega-Moñux, José A. Altabás, Iñigo Molina-Fernández, J. Gonzalo Wangüemert-Pérez, José De Oliva Rubio, Ignacio Garcés.
Analysis of the Colorless Operation of a Calibrated 120° Coherent Receiver,
Journal of Lightwave Technology, vol. 39, no. 17, pp. 5405-5411,
2021.
José Manuel Luque González, Alejandro Sánchez Postigo, Abdelfettah Hadij-ElHouati, Alejandro Ortega-Moñux, J. Gonzalo Wangüemert-Pérez, Jens H. Schmid, Pavel Cheben, Íñigo Molina-Fernández, Robert Halir.
A review of silicon subwavelength gratings: building break-through devices with anisotropic metamaterials,
Nanophotonics, vol. 10, no. 11, pp. 2765–2797,
2021.
Carlos Pérez Armenta, Alejandro Ortega-Moñux, Jiří Čtyroký, Pavel Cheben, Jens H. Schmid, Robert Halir, Íñigo Molina-Fernández, J. Gonzalo Wangüemert-Pérez.
Narrowband Bragg filters based on subwavelength grating waveguides for silicon photonic sensing,
Opt. Express, vol. 28, no. 25, pp. 37971–37985,
2020.
Jonas Leuermann, Vladimir Stamenkovic, Patricia Ramirez-Priego, Alejandro Sánchez Postigo, Adrián Fernández-Gavela, Cole A. Chapman, Ryan C. Bailey, Laura M. Lechuga, Ezequiel Perez-Inestrosa, Daniel Collado, Robert Halir, Íñigo Molina-Fernández.
Coherent silicon photonic interferometric biosensor with an inexpensive laser source for sensitive label-free immunoassays,
Opt. Lett., vol. 45, no. 24, pp. 6595–6598,
2020.
Pablo Ginel Moreno, Daniel Pereira Martín, Abdelfettah Hadij-ElHouati, Winnie N. Ye, Daniele Melati, Dan-Xia Xu, Siegfried Janz, Alejandro Ortega-Moñux, J. Gonzalo Wangüemert-Pérez, Robert Halir, Íñigo Molina-Fernández, Jens H. Schmid, Pavel Cheben.
Highly efficient optical antenna with small beam divergence in silicon waveguides,
Opt. Lett., vol. 45, no. 20, pp. 5668–5671,
2020.
José Manuel Luque González, Alaine Herrero-Bermello, Alejandro Ortega-Moñux, Marina Sánchez-Rodríguez, Aitor v. Velasco, Jens H. Schmid, Pavel Cheben, Íñigo Molina-Fernández, Robert Halir.
Polarization splitting directional coupler using tilted subwavelength gratings,
Opt. Lett., vol. 45, no. 13, pp. 3398–3401,
2020.
Mohsen Kamandar Dezfouli, Yuri Grinberg, Daniele Melati, Pavel Cheben, Jens H. Schmid, Alejandro Sánchez Postigo, Alejandro Ortega-Moñux, Gonzalo Wangüemert-Pérez, Ross Cheriton, Siegfried Janz, Dan-Xia Xu.
Perfectly vertical surface grating couplers using subwavelength engineering for increased feature sizes,
Opt. Lett., vol. 45, no. 13, pp. 3701–3704,
2020.
Alaine Herrero-Bermello, Antonio Dias-Ponte, José Manuel Luque González, Alejandro Ortega-Moñux, Aitor v. Velasco, Pavel Cheben, Robert Halir.
Experimental demonstration of metamaterial anisotropy engineering for broadband on-chip polarization beam splitting,
Opt. Express, vol. 28, no. 11, pp. 16385–16393,
2020.
David González-Andrade, José Manuel Luque González, J. Gonzalo Wangüemert-Pérez, Alejandro Ortega-Moñux, Pavel Cheben, Íñigo Molina-Fernández, Aitor v. Velasco.
Ultra-broadband nanophotonic phase shifter based on subwavelength metamaterial waveguides,
Photon. Res., vol. 8, no. 3, pp. 359–367,
2020.
David González-Andrade, Antonio Dias, J. Gonzalo Wangüemert-Pérez, Alejandro Ortega-Moñux, Íñigo Molina-Fernández, Robert Halir, Pavel Cheben, Aitor v. Velasco.
Experimental demonstration of a broadband mode converter and multiplexer based on subwavelength grating waveguides,
Optics & Laser Technology, vol. 129, pp. 106297,
2020.
Abdelfettah Hadij-ElHouati, Pavel Cheben, Alejandro Ortega-Moñux, J. Gonzalo Wangüemert-Pérez, Robert Halir, Jens H. Schmid, Íñigo Molina-Fernández.
Distributed Bragg deflector coupler for on-chip shaping of optical beams,
Opt. Express, vol. 27, no. 23, pp. 33180–33193,
2019.
A. Sánchez-Postigo, A. Ortega-Moñux, D. Pereira-Martín, Í. Molina-Fernández, R. Halir, P. Cheben, J. Soler Penadés, M. Nedeljkovic, G. Z. Mashanovich, J. G. Wangüemert-Pérez.
Design of a suspended germanium micro-antenna for efficient fiber-chip coupling in the long-wavelength mid-infrared range,
Opt. Express, vol. 27, no. 16, pp. 22302–22315,
2019.
Alejandro Sánchez Postigo, Juan Gonzalo Wangüemert-Pérez, Jordi Soler Penadés, Alejandro Ortega-Moñux, Milos Nedeljkovic, Robert Halir, Faysal El Mokhtari Mimun, Yolanda Xu Cheng, Zhibo Qu, Ali Z. Khokhar, Ahmed Osman, Wei Cao, Callum G. Littlejohns, Pavel Cheben, Goran Z. Mashanovich, Íñigo Molina-Fernández.
Mid-infrared suspended waveguide platform and building blocks,
IET Optoelectronics, vol. 13, pp. 55-61(6),
2019.
Pavel Cheben, Jiří Čtyroký, Jens H. Schmid, Shurui Wang, Jean Lapointe, J. Gonzalo Wangüemert-Pérez, Íñigo Molina-Fernández, Alejandro Ortega-Moñux, Robert Halir, Daniele Melati, Danxia Xu, Siegfried Janz, Milan Dado.
Bragg filter bandwidth engineering in subwavelength grating metamaterial waveguides,
Opt. Lett., vol. 44, no. 4, pp. 1043–1046,
2019.
Alaine Herrero-Bermello, José Manuel Luque-Gonzàlez, Robert Halir, Pavel Cheben, Alejandro Ortega-Moñux, Iñigo Molina-Fernández, Aitor v. Velasco.
Zero-Birefringence Silicon Waveguides Based on Tilted Subwavelength Metamaterials,
IEEE Photonics Journal, vol. 11, no. 5, pp. 1-8,
2019.
Jonas Leuermann, Adrián Fernández-Gavela, Antonia Torres-Cubillo, Sergio Postigo, Alejandro Sánchez Postigo, Laura M. Lechuga, Robert Halir, Íñigo Molina-Fernández.
Optimizing the Limit of Detection of Waveguide-Based Interferometric Biosensor Devices,
Sensors, vol. 19, no. 17, 3671,
2019.
Daniele Melati, Yuri Grinberg, Mohsen Kamandar Dezfouli, Siegfried Janz, Pavel Cheben, Jens H. Schmid, Alejandro Sánchez Postigo, Dan-Xia Xu.
Mapping the global design space of nanophotonic components using machine learning pattern recognition,
Nature Communications, vol. 10, no. 4775,
2019.
Alaine Herrero-Bermello, José Manuel Luque González, Aitor v. Velasco, Alejandro Ortega-Moñux, Pavel Cheben, Robert Halir.
Design of a Broadband Polarization Splitter Based on Anisotropy-Engineered Tilted Subwavelength Gratings,
IEEE Photonics Journal, vol. 11, no. 3, pp. 1-8,
2019.
José Manuel Luque González, Robert Halir, Juan Gonzalo Wangüemert-Pérez, José De Oliva Rubio, Jens H. Schmid, Pavel Cheben, Íñigo Molina-Fernández, Alejandro Ortega-Moñux.
An Ultracompact GRIN-Lens-Based Spot Size Converter using Subwavelength Grating Metamaterials,
Laser & Photonics Reviews, vol. 13, no. 11, pp. 1900172,
2019.
J. Gonzalo Wangüemert-Pérez, Abdelfettah Hadij-ElHouati, Alejandro Sánchez Postigo, Jonas Leuermann, Dan-Xia Xu, Pavel Cheben, Alejandro Ortega-Moñux, Robert Halir, Íñigo Molina-Fernández.
[INVITED] Subwavelength structures for silicon photonics biosensing,
Optics & Laser Technology, vol. 109, pp. 437-448,
2019.
José Manuel Luque González, Alaine Herrero-Bermello, Alejandro Ortega-Moñux, Íñigo Molina-Fernández, Aitor v. Velasco, Pavel Cheben, Jens H. Schmid, Shurui Wang, Robert Halir.
Tilted subwavelength gratings: controlling anisotropy in metamaterial nanophotonic waveguides,
Opt. Lett., vol. 43, no. 19, pp. 4691–4694,
2018.
J. Soler Penadés, A. Sánchez-Postigo, M. Nedeljkovic, A. Ortega-Moñux, J. G. Wangüemert-Pérez, Y. Xu, R. Halir, Z. Qu, A. Z. Khokhar, A. Osman, W. Cao, C. G. Littlejohns, P. Cheben, I. Molina-Fernández, G. Z. Mashanovich.
Suspended silicon waveguides for long-wave infrared wavelengths,
Opt. Lett., vol. 43, no. 4, pp. 795–798,
2018.
David González-Andrade, Juan Gonzalo Wangüemert-Pérez, Aitor v. Velasco, Alejandro Ortega-Moñux, Alaine Herrero-Bermello, Iñigo Molina-Fernández, Robert Halir, Pavel Cheben.
Ultra-Broadband Mode Converter and Multiplexer Based on Sub-Wavelength Structures,
IEEE Photonics Journal, vol. 10, no. 2, pp. 1-10,
2018.
Robert Halir, Alejandro Ortega-Moñux, Daniel Benedikovic, Goran Z. Mashanovich, J. Gonzalo Wangüemert-Pérez, Jens H. Schmid, Íñigo Molina-Fernández, Pavel Cheben.
Subwavelength-Grating Metamaterial Structures for Silicon Photonic Devices,
Proceedings of the IEEE, vol. 106, no. 12, pp. 2144-2157,
2018.
Jiří Čtyroký, Juan Gonzalo Wangüemert-Pérez, Pavel Kwiecien, Ivan Richter, Ján Litvik, Jens H. Schmid, Íñigo Molina-Fernández, Alejandro Ortega-Moñux, Milan Dado, Pavel Cheben.
Design of narrowband Bragg spectral filters in subwavelength grating metamaterial waveguides,
Opt. Express, vol. 26, no. 1, pp. 179–194,
2018.
Yang Chen, Thalia Domínguez Bucio, Ali Z. Khokhar, Mehdi Banakar, Katarzyna Grabska, Frederic Y. Gardes, Robert Halir, Íñigo Molina-Fernández, Pavel Cheben, Jian-Jun He.
Experimental demonstration of an apodized-imaging chip-fiber grating coupler for Si3N4 waveguides,
Opt. Lett., vol. 42, no. 18, pp. 3566–3569,
2017.
Alejandro Ortega-Moñux, Jiří Čtyroký, Pavel Cheben, Jens H. Schmid, Shurui Wang, Íñigo Molina-Fernández, Robert Halir.
Disorder effects in subwavelength grating metamaterial waveguides,
Opt. Express, vol. 25, no. 11, pp. 12222–12236,
2017.
J. M. Chávez Boggio, A. Ortega-Moñux, D. Modotto, T. Fremberg, D. Bodenmüller, D. Giannone, M. M. Roth, T. Hansson, S. Wabnitz, E. Silvestre, L. Zimmermann.
Dispersion-optimized multicladding silicon nitride waveguides for nonlinear frequency generation from ultraviolet to mid-infrared,
J. Opt. Soc. Am. B, vol. 33, no. 11, pp. 2402–2413,
2016.
J. Soler Penades, A. Ortega-Moñux, M. Nedeljkovic, J. G. Wangüemert-Pérez, R. Halir, A. Z. Khokhar, C. Alonso-Ramos, Z. Qu, I. Molina-Fernández, P. Cheben, G. Z. Mashanovich.
Suspended silicon mid-infrared waveguide devices with subwavelength grating metamaterial cladding,
Opt. Express, vol. 24, no. 20, pp. 22908–22916,
2016.
J. Darío Sarmiento-Merenguel, Alejandro Ortega-Moñux, Jean-Marc Fédéli, J. Gonzalo Wangüemert-Pérez, Carlos Alonso Ramos, Elena Durán-Valdeiglesias, Pavel Cheben, Íñigo Molina-Fernández, Robert Halir.
Controlling leakage losses in subwavelength grating silicon metamaterial waveguides,
Opt. Lett., vol. 41, no. 15, pp. 3443–3446,
2016.
Alejandro Sánchez Postigo, J. Gonzalo Wangüemert-Pérez, José Manuel Luque González, Íñigo Molina-Fernández, Pavel Cheben, Carlos A. Alonso-Ramos, Robert Halir, Jens H. Schmid, Alejandro Ortega-Moñux.
Broadband fiber-chip zero-order surface grating coupler with 0.4 dB efficiency,
Opt. Lett., vol. 41, no. 13, pp. 3013–3016,
2016.
Daniel Benedikovic, Carlos Alonso Ramos, Pavel Cheben, Jens H. Schmid, Shurui Wang, Robert Halir, Alejandro Ortega-Moñux, Dan-Xia Xu, Laurent Vivien, Jean Lapointe, Siegfried Janz, Milan Dado.
Single-etch subwavelength engineered fiber-chip grating couplers for 1.3 µm datacom wavelength band,
Opt. Express, vol. 24, no. 12, pp. 12893–12904,
2016.
Martin Papes, Pavel Cheben, Daniel Benedikovic, Jens H. Schmid, James Pond, Robert Halir, Alejandro Ortega-Moñux, Gonzalo Wangüemert-Pérez, Winnie N. Ye, Dan-Xia Xu, Siegfried Janz, Milan Dado, Vladimír Vašinek.
Fiber-chip edge coupler with large mode size for silicon photonic wire waveguides,
Opt. Express, vol. 24, no. 5, pp. 5026–5038,
2016.
Robert Halir, Pavel Cheben, José Manuel Luque González, Jose Darío Sarmiento-Merenguel, Jens H. Schmid, Gonzalo Wangüemert-Pérez, Dan-Xia Xu, Shurui Wang, Alejandro Ortega-Moñux, Íñigo Molina-Fernández.
Ultra-broadband nanophotonic beamsplitter using an anisotropic sub-wavelength metamaterial,
Laser & Photonics Reviews, vol. 10, no. 6, pp. 1039-1046,
2016.
J. D. Sarmiento-Merenguel, R. Halir, X. Le Roux, C. Alonso-Ramos, L. Vivien, P. Cheben, E. Durán-Valdeiglesias, I. Molina-Fernández, D. Marris-Morini, D. -X. Xu, J. H. Schmid, S. Janz, A. Ortega-Moñux.
Demonstration of integrated polarization control with a 40 dB range in extinction ratio,
Optica, vol. 2, no. 12, pp. 1019–1023,
2015.
Daniel Benedikovic, Carlos Alonso Ramos, Pavel Cheben, Jens H. Schmid, Shurui Wang, Dan-Xia Xu, Jean Lapointe, Siegfried Janz, Robert Halir, Alejandro Ortega-Moñux, J. Gonzalo Wangüemert-Pérez, Iñigo Molina-Fernández, Jean-Marc Fédéli, Laurent Vivien, Milan Dado.
High-directionality fiber-chip grating coupler with interleaved trenches and subwavelength index-matching structure,
Opt. Lett., vol. 40, no. 18, pp. 4190–4193,
2015.
Daniel Benedikovic, Pavel Cheben, Jens H. Schmid, Dan-Xia Xu, Boris Lamontagne, Shurui Wang, Jean Lapointe, Robert Halir, Alejandro Ortega-Moñux, Siegfried Janz, Milan Dado.
Subwavelength index engineered surface grating coupler with sub-decibel efficiency for 220-nm silicon-on-insulator waveguides,
Opt. Express, vol. 23, no. 17, pp. 22628–22635,
2015.
Robert Halir, Przemek J. Bock, Pavel Cheben, Alejandro Ortega-Moñux, Carlos Alonso Ramos, Jens H. Schmid, Jean Lapointe, Dan-Xia Xu, J. Gonzalo Wangüemert-Pérez, Íñigo Molina-Fernández, Siegfried Janz.
Waveguide sub-wavelength structures: a review of principles and applications,
Laser & Photonics Reviews, vol. 9, no. 1, pp. 25-49,
2015.
Yule Xiong, J. Gonzalo Wangüemert-Pérez, Dan-Xia Xu, Jens H. Schmid, Pavel Cheben, Winnie N. Ye.
Polarization splitter and rotator with subwavelength grating for enhanced fabrication tolerance,
Opt. Lett., vol. 39, no. 24, pp. 6931–6934,
2014.
J. Soler Penadés, C. Alonso-Ramos, A. Z. Khokhar, M. Nedeljkovic, L. A. Boodhoo, A. Ortega-Moñux, I. Molina-Fernández, P. Cheben, G. Z. Mashanovich.
Suspended SOI waveguide with sub-wavelength grating cladding for mid-infrared,
Opt. Lett., vol. 39, no. 19, pp. 5661–5664,
2014.
C. Alonso-Ramos, P. Cheben, A. Ortega-Moñux, J. H. Schmid, D. -X. Xu, I. Molina-Fernández.
Fiber-chip grating coupler based on interleaved trenches with directionality exceeding 95%,
Opt. Lett., vol. 39, no. 18, pp. 5351–5354,
2014.
C. Alonso-Ramos, P. J. Reyes-Iglesias, A. Ortega-Moñux, D. Pérez-Galacho, R. Halir, I. Molina-Fernández.
Polarization-beam-splitter-less integrated dual-polarization coherent receiver,
Opt. Lett., vol. 39, no. 15, pp. 4400–4403,
2014.
J. Gonzalo Wangüemert-Pérez, Pavel Cheben, Alejandro Ortega-Moñux, Carlos Alonso Ramos, Diego Pérez-Galacho, Robert Halir, Iñigo Molina-Fernández, Dan-Xia Xu, Jens H. Schmid.
Evanescent field waveguide sensing with subwavelength grating structures in silicon-on-insulator,
Opt. Lett., vol. 39, no. 15, pp. 4442–4445,
2014.
A. Moscoso-Mártir, I. Molina-Fernández, A. Ortega-Moñux.
Wideband Slot-Coupled Butler Matrix,
IEEE Microwave and Wireless Components Letters, vol. 24, no. 12, pp. 848-850,
2014.
Robert Halir, Alejandro Ortega-Moñux, Jens H. Schmid, Carlos Alonso Ramos, Jean Lapointe, Dan-Xia Xu, J. Gonzalo Wangüemert-Pérez, Íñigo Molina-Fernández, Siegfried Janz.
Recent Advances in Silicon Waveguide Devices Using Sub-Wavelength Gratings,
IEEE Journal of Selected Topics in Quantum Electronics, vol. 20, no. 4, pp. 279-291,
2014.
Diego Pérez-Galacho, Ruiyong Zhang, Alejandro Ortega-Moñux, Robert Halir, Carlos Alonso Ramos, Patrick Runge, Klemens Janiak, Gan Zhou, Heinz-Gunter Bach, Andreas G. Steffan, Íñigo Molina-Fernández.
Integrated Polarization Beam Splitter for 100/400 GE Polarization Multiplexed Coherent Optical Communications,
Journal of Lightwave Technology, vol. 32, no. 3, pp. 361-368,
2014.
Diego Pérez-Galacho, Ruiyong Zhang, Alejandro Ortega-Moñux, Robert Halir, Carlos Alonso Ramos, Patrick Runge, Klemens Janiak, Gan Zhou, Heinz-Gunter Bach, Andreas G. Steffan, Íñigo Molina-Fernández.
Integrated Polarization Beam Splitter for 100/400 GE Polarization Multiplexed Coherent Optical Communications,
Journal of Lightwave Technology, vol. 32, no. 3, pp. 361-368,
2014.
Daniel Benedikovic, Pavel Cheben, Jens H. Schmid, Dan-Xia Xu, Jean Lapointe, Shurui Wang, Robert Halir, Alejandro Ortega-Moñux, Siegfried Janz, Milan Dado.
High-efficiency single etch step apodized surface grating coupler using subwavelength structure,
Laser & Photonics Reviews, vol. 8, no. 6, pp. L93-L97,
2014.
C. Alonso-Ramos, Francesco Morichetti, Alejandro Ortega-Monux, Inigo Molina-Fernandez, Michael J. Strain, Andrea Melloni.
Dual-Mode Coupled-Resonator Integrated Optical Filters,
IEEE Photonics Technology Letters, vol. 26, no. 9, pp. 929-932,
2014.
D. Pérez-Galacho, R. Halir, A. Ortega-Moñux, C. Alonso-Ramos, R. Zhang, P. Runge, K. Janiak, H. -G. Bach, A. G. Steffan, Í. Molina-Fernández.
Integrated polarization beam splitter with relaxed fabrication tolerances,
Opt. Express, vol. 21, no. 12, pp. 14146–14151,
2013.
A. Maese-Novo, R. Halir, S. Romero-García, D. Pérez-Galacho, L. Zavargo-Peche, A. Ortega-Moñux, I. Molina-Fernández, J. G. Wangüemert-Pérez, P. Cheben.
Wavelength independent multimode interference coupler,
Opt. Express, vol. 21, no. 6, pp. 7033–7040,
2013.
Juan M. Ávila-Ruiz, Laureano Moreno-Pozas, Elena Durán-Valdeiglesias, Alvaro Moscoso-Mártir, Iñigo Molina-Fernández, Jose De Oliva Rubio.
Frequency locked loop architecture for phase noise reduction in wideband low-noise microwave oscillators,
IET Microwaves, Antennas & Propagation, vol. 7, no. 11, pp. 869-875,
2013.
Alejandro Ortega-Moñux, Carlos Alonso Ramos, Alejandro Maese-Novo, Robert Halir, Luis Zavargo-Peche, Diego Pérez-Galacho, Iñigo Molina-Fernández, J. Gonzalo Wangüemert-Pérez, Pavel Cheben, Jens H. Schmid, Jean Lapointe, Danxia Xu, Siegfried Janz.
An ultra-compact multimode interference coupler with a subwavelength grating slot,
Laser & Photonics Reviews, vol. 7, no. 2, pp. L12-L15,
2013.
C. Alonso-Ramos, L. Zavargo-Peche, A. Ortega-Moñux, R. Halir, I. Molina-Fernández, P. Cheben.
Polarization-independent grating coupler for micrometric silicon rib waveguides,
Opt. Lett., vol. 37, no. 17, pp. 3663–3665,
2012.
C. Alonso-Ramos, R. Halir, A. Ortega-Moñux, P. Cheben, L. Vivien, Í. Molina-Fernández, D. Marris-Morini, S. Janz, D. -X. Xu, J. Schmid.
Highly tolerant tunable waveguide polarization rotator scheme,
Opt. Lett., vol. 37, no. 17, pp. 3534–3536,
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R. Halir, A. Maese-Novo, A. Ortega-Moñux, I. Molina-Fernández, J. G. Wangüemert-Pérez, P. Cheben, D. -X. Xu, J. H. Schmid, S. Janz.
Colorless directional coupler with dispersion engineered sub-wavelength structure,
Opt. Express, vol. 20, no. 12, pp. 13470–13477,
2012.
R. Halir, Y. Okawachi, J. S. Levy, M. A. Foster, M. Lipson, A. L. Gaeta.
Ultrabroadband supercontinuum generation in a CMOS-compatible platform,
Opt. Lett., vol. 37, no. 10, pp. 1685–1687,
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Aitor v. Velasco, María L. Calvo, Pavel Cheben, Alejandro Ortega-Moñux, Jens H. Schmid, Carlos Alonso Ramos, Íñigo Molina Fernandez, Jean Lapointe, Martin Vachon, Siegfried Janz, Dan-Xia Xu.
Ultracompact polarization converter with a dual subwavelength trench built in a silicon-on-insulator waveguide,
Opt. Lett., vol. 37, no. 3, pp. 365–367,
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C. Alonso-Ramos, S. Romero-García, A. Ortega-Moñux, I. Molina-Fernández, R. Zhang, H. G. Bach, M. Schell.
Polarization rotator for InP rib waveguide,
Opt. Lett., vol. 37, no. 3, pp. 335–337,
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R. Halir, L. Zavargo-Peche, D. -X. Xu, P. Cheben, R. Ma, J. H. Schmid, S. Janz, A. Densmore, A. Ortega-Moñux, I. Molina-Fernández, M. Fournier, J. -M. Fédeli.
Single etch grating couplers for mass fabrication with DUV lithography,
Optical and Quantum Electronics, vol. 44, pp. 521–526,
2012.
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C. Alonso-Ramos, A. Ortega-Moñux, I. Molina-Fernández, P. Cheben, L. Zavargo-Peche, R. Halir, S. Janz, D. -X. Xu, N. Kim, B. Lamontagne.
Grating couplers for thick SOI rib waveguides,
Optical and Quantum Electronics, vol. 44, pp. 535–540,
2012.
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M. Florjánczyk, C. Alonso-Ramos, P. Bock, A. Bogdanov, P. Cheben, I. Molina-Fernández, S. Janz, B. Lamontagne, A. Ortega-Moñux, A. Scott, K. Sinclair, B. Solhemin, D.-X. Xu.
Development of a fourier-transform waveguide spectrometer for space applications,
Optical and Quantum Electronics, vol. 44, pp. 549–556,
2012.
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A. Ortega-Monux, L. Zavargo-Peche, A. Maese-Novo, I. Molina-Fernandez, R. Halir, J. G. Wanguemert-Perez, P. Cheben, J. H. Schmid.
High-Performance Multimode Interference Coupler in Silicon Waveguides With Subwavelength Structures,
IEEE Photonics Technology Letters, vol. 23, no. 19, pp. 1406-1408,
2011.
G. Roelkens, D. Vermeulen, S. Selvaraja, R. Halir, W. Bogaerts, D. Van Thourhout.
Grating-Based Optical Fiber Interfaces for Silicon-on-Insulator Photonic Integrated Circuits,
IEEE Journal of Selected Topics in Quantum Electronics, vol. 17, no. 3, pp. 571-580,
2011.
C. Alonso-Ramos, A. Ortega-Moñux, L. Zavargo-Peche, R. Halir, J. De Oliva-Rubio, I. Molina-Fernández, P. Cheben, D. -X. Xu, S. Janz, N. Kim, B. Lamontagne.
Single-etch grating coupler for micrometric silicon rib waveguides,
Opt. Lett., vol. 36, no. 14, pp. 2647–2649,
2011.
J. H. Schmid, P. Cheben, P. J. Bock, R. Halir, J. Lapointe, S. Janz, A. Delage, A. Densmore, J.-M. Fedeli, T. J. Hall, B. Lamontagne, R. Ma, I. Molina-Fernandez, D.-X. Xu.
Refractive Index Engineering With Subwavelength Gratings in Silicon Microphotonic Waveguides,
IEEE Photonics Journal, vol. 3, no. 3, pp. 597-607,
2011.
R. Halir, P. Cheben, J. H. Schmid, R. Ma, D. Bedard, S. Janz, D. -X. Xu, A. Densmore, J. Lapointe, Í. Molina-Fernández.
Continuously apodized fiber-to-chip surface grating coupler with refractive index engineered subwavelength structure,
Opt. Lett., vol. 35, no. 19, pp. 3243–3245,
2010.
C. Alonso-Ramos, A. Ortega-Moñux, I. Molina-Fernández, P. Cheben, L. Zavargo-Peche, R. Halir.
Efficient fiber-to-chip grating coupler for micrometric SOI rib waveguides,
Opt. Express, vol. 18, no. 14, pp. 15189–15200,
2010.
Benito Lopez Berrocal, Jose De Oliva Rubio, Enrique Marquez-Segura, Alvaro Moscoso Martir, Inigo Molina-Fernandez, Peter Uhlig.
High performance 1.8-18ghz 10-db low temperature co-fired ceramic directional coupler,
Progress In Electromagnetics Research, vol. 104, pp. 99–112,
2010.
Robert Halir, A. Ortega-Moñux, Í. Molina-Fernández, J. G. Wangüemert-Pérez, Pavel Cheben, Dan-Xia Xu, Boris Lamontagne, Siegfried Janz.
Integrated Optical Six-Port Reflectometer in Silicon on Insulator,
J. Lightwave Technol., vol. 27, no. 23, pp. 5405–5409,
2009.
Robert Halir, Pavel Cheben, Siegfried Janz, Dan-Xia Xu, Íñigo Molina-Fernández, Juan G. Wangüemert-Pérez.
Waveguide grating coupler with subwavelength microstructures,
Opt. Lett., vol. 34, no. 9, pp. 1408–1410,
2009.
R. Halir, Í. Molina-Fernández, J. G. Wangüemert-Pérez, A. Ortega-Moñux, J. De Oliva-Rubio, P. Cheben.
Characterization of integrated photonic devices with minimum phase technique,
Opt. Express, vol. 17, no. 10, pp. 8349–8361,
2009.
P. Perez-Lara, J. A. Medina-Rodriguez, I. Molina-Fernandez, J. G. Wanguemert-Perez, A. Gonzalez-Salguero.
Wideband homodyne six-port receiver with high LO-RF isolation,
IET microwaves, antennas & propagation, vol. 3, no. 5, pp. 882–888,
2009.
Robert Halir, A. Ortega-Monux, Í. Molina-Fernadez, J. G. Wanguemert-Perez, Pavel Cheben, Dan-Xia Xu, Boris Lamontagne, Siegfried Janz.
Compact High-Performance Multimode Interference Couplers in Silicon-on-Insulator,
IEEE Photonics Technology Letters, vol. 21, no. 21, pp. 1600-1602,
2009.
Robert Halir, I. Molina-Fernandez, A. Ortega-Moñux, J. G. Wanguemert-Perez, Dan-Xia Xu, Pavel Cheben, Siegfried Janz.
A Design Procedure for High-Performance, Rib-Waveguide-Based Multimode Interference Couplers in Silicon-on-Insulator,
Journal of Lightwave Technology, vol. 26, no. 16, pp. 2928-2936,
2008.