Highly Reliable Flexible Active Optical Links

Bosman, Erwin; Steenberge, Geert Van; Hoe, Bram Van; Missinne, Jeroen; Vanfleteren, Jan; Daele, Peter Van

doi:10.1109/lpt.2009.2038797

Cited by 48 publications

(30 citation statements)

References 1 publication

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“…In this paper, we focus on the implementation of an integrated 90° bent coupling mirror, which can be fabricated by imprinting into the polymer waveguide layer. In particular we demonstrate a concept where the coupling mirror is used with VCSELs embedded under the waveguide layer [9], [10] and we present a fabrication method which enables very high precision alignment of the mirror to the VCSEL and waveguide.…”

Section: The Polymer Photonic Technology Platformmentioning

confidence: 99%

Optical coupling structure made by imprinting between single-mode polymer waveguide and embedded VCSEL

et al. 2015

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Polymer-based integrated optics is attractive for inter-chip optical interconnection applications, for instance, for coupling photonic devices to fibers in high density packaging. In such a hybrid integration scheme, a key challenge is to achieve efficient optical coupling between the photonic chips and waveguides. With the single-mode polymer waveguides, the alignment tolerances become especially critical as compared to the typical accuracies of the patterning processes. We study novel techniques for such coupling requirements. In this paper, we present a waveguide-embedded micro-mirror structure, which can be aligned with high precision, even active alignment method is possible. The structure enables 90 degree bend coupling between a single-mode waveguide and a vertical-emitting/detecting chip, such as, a VCSEL or photodiode, which is embedded under the waveguide layer. Both the mirror structure and low-loss polymer waveguides are fabricated in a process based mainly on the direct-pattern UV nanoimprinting technology and on the use of UVcurable polymeric materials. Fabrication results of the coupling structure with waveguides are presented, and the critical alignment tolerances and manufacturability issues are discussed.

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Section: The Polymer Photonic Technology Platformmentioning

confidence: 99%

Optical coupling structure made by imprinting between single-mode polymer waveguide and embedded VCSEL

et al. 2015

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“…It is due to the continuous demand over the past several decades for increasingly high performance computers with more complex and integrated systems that has pushed traditional electronic interconnect links to their functional limits [4], [5]. Existing interconnection technologies have been using mainly metal copper wiring connection, however, rising data-rates and their sensitivity to electromagnetic interference will soon make them unable to keep up [6] due to several drawbacks of copper wire tracks such as lower bandwidth, higher susceptibility to crosstalks and electromagnetic interference.…”

Section: Introductionmentioning

confidence: 99%

“…Due to easy integration process with other optical and electrical elements, it would be convenient to realize the optical waveguides on silicon substrate [7]. Though integration of optical waveguides and opto-electronic components for on-board optical communications have already been developed using flexible foils substrates [3], [4], in the case of the optical interconnection it is highly desirable to realize optical waveguides also on printed circuit boards. For this purpose most often used substrates are "fiber reinforced board material electrical circuit boards" called FR-4; and for high frequency board are commonly used RT/Duroid high frequency polytetrafluorethylen (PTFE) composites reinforced with glass microfibers [8].…”

Section: Introductionmentioning

confidence: 99%

Properties of the Optical Planar Polymer Waveguides Deposited on Printed Circuit Boards

Nekvindová¹,

Hyps²,

Prajzler³

et al. 2015

RADIOENGINEERING

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“…The technology for embedding optical components into 40µm thick flexible foils was reported previously [5] and is now used to construct an optical shear sensor.…”

Section: Introductionmentioning

confidence: 99%

Embedded flexible optical shear sensor

et al. 2010

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Abstract-Monitoring shear stresses is increasingly important in the medical sector, where the sensors need to be unobtrusive, compact and flexible. A very thin and flexible sensor foil is presented based on the shear stress dependent coupling change of optical power between a laser and photodiode chip that were separated by a deformable sensing layer. These opto-electronic components were embedded in a very thin foil of only 40µm thick. The sensitivity and measurement range can be modified by selecting the material properties of the sensing layer. The sensor response showed to be reproducible and the influence of normal pressure on the sensor was very limited.

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Highly Reliable Flexible Active Optical Links

Cited by 48 publications

References 1 publication

Optical coupling structure made by imprinting between single-mode polymer waveguide and embedded VCSEL

Optical coupling structure made by imprinting between single-mode polymer waveguide and embedded VCSEL

Properties of the Optical Planar Polymer Waveguides Deposited on Printed Circuit Boards

Embedded flexible optical shear sensor

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