Optical modulation in Ge-rich SiGe waveguides in the mid-infrared wavelength range up to 11 µm

Autor: Miguel Montesinos-Ballester, Vladyslav Vakarin, Joan Manel Ramirez, Qiankun Liu, Carlos Alonso-Ramos, Xavier Le Roux, Jacopo Frigerio, Andrea Ballabio, Andrea Barzaghi, Lucas Deniel, David Bouville, Laurent Vivien, Giovanni Isella, Delphine Marris-Morini

Publikováno v: Communications Materials, Vol 1, Iss 1, Pp 1-6 (2020)

Mid-infrared optical modulators are important for detecting compounds in a wide range of applications, but are typically limited to short wavelengths. Now, a SiGe waveguide is used to fabricate an optical modulator that can reach wavelengths spanning

Externí odkaz: https://doaj.org/article/8691f779a5884daeaf5b771b7e2fd0af

Metamaterial-Engineered Silicon Beam Splitter Fabricated with Deep UV Immersion Lithography

Autor: Vladyslav Vakarin, Daniele Melati, Thi Thuy Duong Dinh, Xavier Le Roux, Warren Kut King Kan, Cécilia Dupré, Bertrand Szelag, Stéphane Monfray, Frédéric Boeuf, Pavel Cheben, Eric Cassan, Delphine Marris-Morini, Laurent Vivien, Carlos Alberto Alonso-Ramos

Publikováno v: Nanomaterials, Vol 11, Iss 11, p 2949 (2021)

Subwavelength grating (SWG) metamaterials have garnered a great interest for their singular capability to shape the material properties and the propagation of light, allowing the realization of devices with unprecedented performance. However, practic

Externí odkaz: https://doaj.org/article/1381e63113ea465e9bb395f266d5e229

Wideband Ge-Rich SiGe Polarization-Insensitive Waveguides for Mid-Infrared Free-Space Communications

Autor: Vladyslav Vakarin, Joan Manel Ramírez, Jacopo Frigerio, Qiankun Liu, Andrea Ballabio, Xavier Le Roux, Carlos Alonso-Ramos, Giovanni Isella, Pavel Cheben, Winnie N. Ye, Laurent Vivien, Delphine Marris-Morini

Publikováno v: Applied Sciences, Vol 8, Iss 7, p 1154 (2018)

The recent development of quantum cascade lasers, with room-temperature emission in the mid-infrared range, opened new opportunities for the implementation of ultra-wideband communication systems. Specifically, the mid-infrared atmospheric transparen

Externí odkaz: https://doaj.org/article/73c0ff463fef4ef89fa19040ae6f1d6b

Optical modulation in Ge-rich SiGe waveguides in the mid-infrared wavelength range up to 11 µm

Autor: Xavier Le Roux, Carlos Alonso-Ramos, David Bouville, Laurent Vivien, Qiankun Liu, Giovanni Isella, Vladyslav Vakarin, Jacopo Frigerio, Andrea Barzaghi, Lucas Deniel, Delphine Marris-Morini, Andrea Ballabio, Joan Manel Ramirez, Miguel Montesinos-Ballester

Publikováno v: Communications Materials, Vol 1, Iss 1, Pp 1-6 (2020)
Communications Materials
Communications Materials, 2020, 1 (1), ⟨10.1038/s43246-019-0003-8⟩

Waveguide integrated optical modulators in the mid-infrared wavelength range are of significant interest for molecular spectroscopy. This is because on-chip synchronous detection can improve the performance of detection systems and can also be used f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7cc435943a9e4ec60d7ba2a6e920dbd0
https://doaj.org/article/8691f779a5884daeaf5b771b7e2fd0af

Diffraction-less propagation beyond the sub-wavelength regime: a new type of nanophotonic waveguide

Autor: Elena Durán-Valdeiglesias, Dorian Oser, Delphine Marris-Morini, Diego Perez-Galacho, Daniel Benedikovic, Xavier Le Roux, Carlos Alonso-Ramos, Sébastien Tanzilli, Jianhao Zhang, Vladyslav Vakarin, Eric Cassan, Florent Mazeas, Laurent Vivien, Pavel Cheben, Laurent Labonté

Publikováno v: Scientific Reports, Vol 9, Iss 1, Pp 1-8 (2019)
Scientific Reports
Scientific Reports, Nature Publishing Group, 2019, ⟨10.1038/s41598-019-41810-0⟩

International audience; Sub-wavelength grating (SWG) metamaterials have garnered a great interest for their singular capability to shape the propagation of light. However, practical SWG implementations are limited by fabrication constraints, such as

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::516e809efd2c52a0a605c549a6a44536
http://link.springer.com/article/10.1038/s41598-019-41810-0