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Integrated Mach–Zehnder interferometer based on liquid crystal evanescent field tuning
Citation
Caño García, Manuel and Poudereux Sánchez, David and Gordo Quiroga, Fernando José and Geday, Morten Andreas and Otón Sánchez, José Manuel and Quintana Arregui, Xabier (2019). Integrated Mach–Zehnder interferometer based on liquid crystal evanescent field tuning. "Crystals", v. 9 (n. 5); p. 225. ISSN 2073-4352. https://doi.org/10.3390/cryst9050225.
Description
| Title: | Integrated Mach–Zehnder interferometer based on liquid crystal evanescent field tuning |
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| Author/s: |
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| Item Type: | Article |
| Título de Revista/Publicación: | Crystals |
| Date: | 2019 |
| ISSN: | 2073-4352 |
| Volume: | 9 |
| Subjects: | |
| Freetext Keywords: | waveguide, polarization-selective devices, optical switching devices, optoelectronics |
| Faculty: | E.T.S.I. Telecomunicación (UPM) |
| Department: | Tecnología Fotónica y Bioingeniería |
| Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
Abstract
In this work, the performance of a Mach–Zehnder interferometer manufactured in silicon nitride with a liquid crystal cladding is studied. The device consists of two multi-mode interference couplers linked by two rectangular waveguides, the cladding of one of which is a liquid crystal. The structure demonstrates the potential of using liquid crystals as tunable cladding material in simple waveguides as well as in more complex coupling or modulating structures. Liquid crystal cladding permits a local fine-tuning of the effective refractive index of the waveguide, avoiding coarse global temperature control. The study is realized in the visible region (632.8 nm), for its intrinsic interest region in (bio-)sensing or metrology.
Funding Projects
| Type | Code | Acronym | Leader | Title |
|---|---|---|---|---|
| Government of Spain | TEC2016-77242-C3-2-R | RETOS | Unspecified | Unspecified |
| Madrid Regional Government | S2018/NMT-4326 | SINFOTON2-CM | Unspecified | Unspecified |
| Government of Spain | BES-2014-070964 | Unspecified | Unspecified | Unspecified |
More information
| Item ID: | 54957 |
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| DC Identifier: | https://oa.upm.es/54957/ |
| OAI Identifier: | oai:oa.upm.es:54957 |
| DOI: | 10.3390/cryst9050225 |
| Official URL: | https://www.mdpi.com/2073-4352/9/5/225/htm |
| Deposited by: | Memoria Investigacion |
| Deposited on: | 20 May 2019 15:52 |
| Last Modified: | 30 Nov 2022 09:00 |
