Zobrazeno 1 - 10
of 214
pro vyhledávání: '"Martin Schell"'
Autor:
Simon Nellen, Lauri Schwenson, Lars Liebermeister, Milan Deumer, Sebastian Lauck, Martin Schell, Robert B. Kohlhaas
Publikováno v:
IEEE Access, Vol 12, Pp 35246-35256 (2024)
Broadband terahertz spectroscopy is a valuable analytical tool in science and a promising technology for industrial non-destructive, non-contact testing, e.g. thickness measurements of thin dielectric layers. Optoelectronic conversion using photomixe
Externí odkaz:
https://doaj.org/article/22369c4a6a80409bbb4e3b3bb7bac7c0
Autor:
Milan Deumer, Oliver Stiewe, Simon Nellen, Sebastian Lauck, Steffen Breuer, Robert B. Kohlhaas, Colja Schubert, Robert Elschner, Ronald Freund, Martin Schell
Publikováno v:
IEEE Access, Vol 12, Pp 27158-27166 (2024)
Terahertz wireless communications is an increasingly interesting research topic due to the high demand for un-allocated channels and high data rates. Photonic solutions have shown great potential in this field. However, most photonics assisted THz li
Externí odkaz:
https://doaj.org/article/a2c555c2a5c34028bf6d5a1d5b2758b8
Autor:
Jakob Reck, Laurids von Emden, Klara Mihov, Martin Kresse, Madeleine Weigel, Tianwen Qian, Csongor Keuer, Philipp Winklhofer, Marcel Amberg, David de Felipe, Crispin Zawadzki, Moritz Kleinert, Norbert Keil, Martin Schell
Publikováno v:
Photonics, Vol 11, Iss 6, p 488 (2024)
This research demonstrates a method for the repeatable passive fiber optic coupling of single-mode waveguides with a micron-scale accuracy for high-precision disposables. The aim is to broaden the application of photonic integrated circuits (PICs) fr
Externí odkaz:
https://doaj.org/article/17c2488d9145486b8009ae6068e1419d
Autor:
Lars Liebermeister, Simon Nellen, Robert B. Kohlhaas, Sebastian Lauck, Milan Deumer, Steffen Breuer, Martin Schell, Björn Globisch
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-10 (2021)
Time-domain spectroscopy with terahertz frequencies typically requires complex and bulky systems. Here, the authors present an opto-electronics-based, frequency-domain terahertz sensing technique which offers competitive measurement performance in a
Externí odkaz:
https://doaj.org/article/ae4755c419454ee9bb0f08bbefd711be
Autor:
Patrick Runge, Tobias Beckerwerth, Ute Troppenz, Marko Gruner, Hendrik Boerma, Martin Möhrle, Martin Schell
Publikováno v:
Photonics, Vol 8, Iss 1, p 18 (2021)
Externally modulated DFB lasers (EML) and vertically illuminated photodetectors are presented. Because of their excellent high-speed behavior and operation wavelength of 1310 nm, the devices are of interest for intra-data center communication. Since
Externí odkaz:
https://doaj.org/article/e433860a741c4605b7b7f5611374c62c
Autor:
Robert B. Kohlhaas, Lars Liebermeister, Steffen Breuer, Marcel Amberg, David de Felipe, Simon Nellen, Martin Schell, Björn Globisch
Publikováno v:
Sensors, Vol 20, Iss 9, p 2616 (2020)
We present a fiber coupled transceiver head for terahertz (THz) time-domain reflection measurements. The monolithically integrated transceiver chip is based on iron (Fe) doped In0.53Ga0.47As (InGaAs:Fe) grown by molecular beam epitaxy. Due to its ult
Externí odkaz:
https://doaj.org/article/6d7c709a4be949c2af08df730af9d881
Autor:
Ziyang Zhang, David Felipe, Vasilis Katopodis, Panos Groumas, Christos Kouloumentas, Hercules Avramopoulos, Jean-Yves Dupuy, Agnieszka Konczykowska, Alberto Dede, Antonio Beretta, Antonello Vannucci, Giulio Cangini, Raluca Dinu, Detlef Schmidt, Martin Moehrle, Patrick Runge, Jung-Han Choi, Heinz-Gunter Bach, Norbert Grote, Norbert Keil, Martin Schell
Publikováno v:
Photonics, Vol 2, Iss 3, Pp 1005-1026 (2015)
To fulfill the functionality demands from the fast developing optical networks, a hybrid integration approach allows for combining the advantages of various material platforms. We have established a polymer-based hybrid integration platform (polyboar
Externí odkaz:
https://doaj.org/article/3fa3bb5053ed4cd69c38aa6c0ab9ed3a
Publikováno v:
Applied Sciences, Vol 9, Iss 15, p 2987 (2019)
Photonic integrated circuits (PICs) play a key role in a wide range of applications. Very often, the performance of PICs depends strongly on the state of polarization of light. Classically, this is regarded as undesirable, but more and more applicati
Externí odkaz:
https://doaj.org/article/153006858ff74c4cbd45d3f47b6ffb5e
Autor:
Francisco M. Soares, Moritz Baier, Tom Gaertner, Norbert Grote, Martin Moehrle, Tobias Beckerwerth, Patrick Runge, Martin Schell
Publikováno v:
Applied Sciences, Vol 9, Iss 8, p 1588 (2019)
This paper describes a fabrication process for realizing Indium-Phosphide-based photonic-integrated circuits (PICs) with a high level of integration to target a wide variety of optical applications. To show the diversity in PICs achievable with our o
Externí odkaz:
https://doaj.org/article/6d816fe2488e498eb1bca3d11fe4de20
Autor:
Efstathios Andrianopoulos, Nikolaos K. Lyras, Evangelos Pikasis, Garrit Schwanke, Milan Deumer, Simon Nellen, Tianwen Qian, Georgia D. Ntouni, Eleftherios C. Loghis, Elias D. Tsirbas, Panteleimon-Konstantinos Chartsias, David De Felipe, Panos Groumas, Maria Massaouti, Christos Tsokos, Christos Kouloumentas, Dimitrios Kritharidis, Robert B. Kohlhaas, Norbert Keil, Martin Schell, Hercules Avramopoulos
Publikováno v:
IEEE Photonics Technology Letters. 35:237-240
Optoelectronic technology is expected to be the cornerstone of sub-THz communication systems, enabling access to and use of the vast frequency resources found in this portion of the spectrum. In this work we demonstrate a photonics-enabled sub-THz wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::73ffbb1a5f40bd801bc4221b2e4de278
https://doi.org/10.1109/lpt.2023.3235932
https://doi.org/10.1109/lpt.2023.3235932