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Browsing by Subject "Optical waveguides"

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Ablation and functionalization of flexographic printing forms using femtosecond lasers for additively manufactured polymer-optical waveguides

Wienke, A.; Hoffmann, G.-A.; Koch, J.; Jäschke, P.; Overmeyer, Ludger; Kaierle, Stefan (Amsterdam : Elsevier B.V., 2020)

An efficient and low-cost approach to manufacture Opto-Mechatronic Interconnect Devices will be obligatory to handle the strongly increasing amount of data. The presented approach is based on a flexographic printing process. ...
AlGaAs-on-insulator waveguide for highly efficient photon-pair generation via spontaneous four-wave mixing

Mahmudlu, Hatam; May, Stuart; Angulo, Alí; Sorel, Marc; Kues, Michael (Washington, DC : Soc., 2021)

We report on the generation of correlated photon pairs in AlGaAs-on-insulator (AlGaAs-OI) waveguides through nonlinear spontaneous four-wave-mixing (SFWM). Our measurements reveal an SFWM pair generation efficiency of ...
Combined thermomechanical and optical simulations of planar-optical polymer waveguides

Suar, Monali; Baran, Murat; Günther, Axel; Roth, Bernhard (Bristol : IOP Publishing Ltd., 2020)

In this work, we describe a theoretical approach for combined thermal, mechanical and optical simulation and analysis of planar polymer waveguides. We consider a finite element approach for thermal and stress/deformation ...
Digital laser micro- and nanoprinting

Li, Qingfeng; Grojo, David; Alloncle, Anne-Patricia; Chichkov, Boris; Delaporte, Philippe (Berlin : De Gruyter, 2018)

Laser direct writing is a well-established ablation technology for high-resolution patterning of surfaces, and since the development of additive manufacturing, laser processes have also appeared very attractive for the ...
Dynamics of Many-Body Photon Bound States in Chiral Waveguide QED

Mahmoodian, Sahand; Calajó, Guiseppe; Chang, Darrick E.; Hammerer, Klemens; Sørensen, Anders S. (College Park, Md. : APS, 2020)

We theoretically study the few- and many-body dynamics of photons in chiral waveguides. In particular, we examine pulse propagation through an ensemble of N two-level systems chirally coupled to a waveguide. We show that ...
Experimental and theoretical study of the formation process of photopolymer based self-written waveguides

Suar, Monali; Melchert, Oliver; Rahlves, Maik; Roth, Bernhard (Washington, DC : OSA - The Optical Society, 2019)

The realization of optical interconnects between multimode (MM) optical fibers and waveguides based on a self-writing process in photopolymer media represents an efficient approach for fast and easy-to-implement connection ...
Fabrication of a monolithic lab-on-a-chip platform with integrated hydrogel waveguides for chemical sensing

Torres-Mapa, Maria Leilani; Singh, Manmeet; Simon, Olga; Mapa, Jose Louise; Machida, Manan; Günther, Axel; Roth, Bernhard; Heinemann, Dag; Terakawa, Mitsuhiro; Heisterkamp, Alexander (Basel : MDPI AG, 2019)

Hydrogel waveguides have found increased use for variety of applications where biocompatibility and flexibility are important. In this work, we demonstrate the use of polyethylene glycol diacrylate (PEGDA) waveguides to ...
Functionalization of UV-curing adhesives for surface-integrated micro-polymer optical fibers

Hachicha, B.; Overmeyer, Ludger (Bellingham, Wash. : SPIE, 2016)

Polymer optical waveguides, especially single-mode waveguides are increasingly used for short distance communication, as well as for sensing applications. The realization of a working communication route requires different ...
The future of short-range high-speed data transmission: Printed polymer optical waveguides (POW) innovation, fabrication, and challenges

Reitberger, T.; Stoll, T.; Hoffmann, G.-A.; Lorenz, L.; Neermann, S.; Overmeyer, L.; Bock, K.-H.; Wolter, K.-J.; Franke, J. (Bellingham, Wash. : SPIE, 2018)

One of today's megatrends in the industrial environment is additive manufacturing. Faster prototyping, customized products like hearing devices, integrated functions like heatsinks and many other opportunities are offered ...
High-order cumulants in the counting statistics of asymmetric quantum dots

Fricke, Christian; Hohls, Frank; Sethubalasubramanian, Nandhavel; Fricke, Lukas; Haug, Rolf J. (College Park, MD : American Institute of Physics, 2010)

Measurements of single electron tunneling through a quantum dot (QD) using a quantum point contact as charge detector have been performed for very long time traces with very large event counts. This large statistical basis ...
Improving partial wetting resolution on flexible substrates for application of polymer optical waveguides

Hoffmann, Gerd-Albert; Wolfer, Tim; Reitberger, Thomas; Franke, Jörg; Suttmann, Oliver; Overmeyer, Ludger (Bellingham, WA : S P I E - International Society for Optical Engineering, 2017)

Considering the increasing amount of data for communication and infotainment applications, fabrication of optical networks and bus systems is a challenging task for production engineering. A two-step manufacturing process ...
Integrated multimode optical waveguides in glass using laser induced deep etching

Reitz, Birger; Evertz, Andreas; Basten, Robin; Wurz, Marc Christopher; Overmeyer, Ludger (Washington, DC : Optical Soc. of America, 2024)

Glass is an ideal material for optical applications, even though only a few micromachining technologies for material ablation are available. These microstructuring methods are limited regarding precision and freedom of ...
Interferometer-Type Structures for Guided Atoms

Dumke, R.; Müther, T.; Volk, M.; Ertmer, Wolfgang; Birkl, G. (American Physical Society, 2002)

We experimentally demonstrate interferometer-type guiding structures for neutral atoms based on dipole potentials created by microfabricated optical systems. As a central element we use an array of atom waveguides being ...
Investigation of the molecular switching process between spin crossover states of triazole complexes as basis for optical sensing applications

Günther, Axel; Deja, Yves; Kilic, Maximilian; Tran, Kevin; Kotra, Pavan; Renz, Franz; Kowalsky, Wolfgang; Roth, Bernhard ([London] : Macmillan Publishers Limited, part of Springer Nature, 2024)

With the advent of the first laser sources and suitable detectors, optical sensor applications immediately also came into focus. During the last decades, a huge variety of optical sensor concepts were developed, yet the ...
Low-cost fabrication of optical waveguides, interconnects and sensing structures on all-polymer-based thin foils

Rezem, Maher; Kelb, Christian; Günther, Axel; Rahlves, Maik; Reithmeier, Eduard; Roth, Bernhard (Bellingham, Wash. : SPIE, 2016)

Micro-optical sensors based on optical waveguides are widely used to measure temperature, force and strain but also to detect biological and chemical substances such as explosives or toxins. While optical micro-sensors ...
Manufacturing of embedded multimode waveguides by reactive lamination of cyclic olefin polymer and polymethylmethacrylate

Kelb, Christian; Rother, Raimund; Schuler, Anne-Katrin; Hinkelmann, Moritz; Rahlves, Maik; Prucker, Oswald; Müller, Claas; Rühe, Jürgen; Reithmeier, Eduard; Roth, Bernhard (Bellingham, WA : S P I E - International Society for Optical Engineering, 2016)

We demonstrate the manufacturing of embedded multimode optical waveguides through linking of polymethylmethacrylate (PMMA) foils and cyclic olefin polymer (COP) filaments based on a lamination process. Since the two polymeric ...
Manufacturing of polymer optical waveguides using self-assembly effect on pre-conditioned 3D-thermoformed flexible substrates

Hoffmann, Gerd-Albert; Wolfer, Tim; Zeitler, Jochen; Franke, Jörg; Suttmann, Oliver; Overmeyer, Ludger (Bellingham, Wash. : SPIE, 2017)

Optical data communication is increasingly interesting for many applications in industrial processes. Therefore mass production is required to meet the requested price and lot sizes. Polymer optical waveguides show great ...
Modeling and simulation of stochastically deformed waveguides using schelkunoff's method

Pham, Hoang Duc; Ploennigs, Soeren; Mathis, Wolfgang (Göttingen : Copernicus GmbH, 2018)

This paper deals with the propagation of electromagnetic waves in cylindrical waveguides with irregularly deformed cross-sections. The general theory of electromagnetic waves is of high interest because of its practical ...
Passive mode locking by carbon nanotubes in a femtosecond laser written waveguide laser

Della Valle, Giuseppe; Osellame, Roberto; Galzerano, Gianluca; Chiodo, Nicola; Cerullo, Giulio; Laporta, Paolo; Svelto, Orazio; Morgner, Uwe; Rozhin, A.G.; Scardaci, V.; Ferrari, A.C. (American Institute of Physics Inc., 2006)

The authors report on the first demonstration of mode locking in an active waveguide laser manufactured by femtosecond laser writing. The active waveguide is fabricated in an Er-Yb-doped phosphate glass, and the mode locker ...
Printing polymer optical waveguides on conditioned transparent flexible foils by using the aerosol jet technology

Reitberger, Thomas; Hoffmann, Gerd-Albert; Wolfer, Tim; Overmeyer, Ludger; Franke, Jörg (Bellingham, Wash. : SPIE, 2016)

The optical data transfer is considered as the future of signal transfer due to its various advantages compared to conventional copper-based technologies. The Aerosol Jet Printing (AJP) technology offers the opportunity ...

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Browsing by Subject "Optical waveguides"

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