Novel optical transmitter and receiver for parallel optical interconnects on PCB-level

Nieweglowski, Krzysztof; Wolter, Klaus‐Jürgen

doi:10.1109/estc.2008.4684420

Cited by 3 publications

(1 citation statement)

References 8 publications

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“…Besides that, several O/E modules with ceramic PCBs such as low temperature co-fired ceramic (LTCC) have been reported. [12][13][14] Modules using ceramics have the advantages in high-frequency properties owing to the low dielectric characteristics and high-thermal conductivity available to heat sink. However, reductions in the fabrication cost and module thickness are important issues in the ceramic PCBs.…”

Section: Introductionmentioning

confidence: 99%

Impact of Data Transmission over 10 Gbps on High-Density and Low-Cost Optoelectronic Module with Polynorbornene Waveguides

Ito¹,

Terada²,

Arai³

et al. 2012

Jpn. J. Appl. Phys.

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We proposed a rigid/flex optoelectronic (O/E) module with 48-channel polymeric waveguides for short-distance board-level optical interconnection. A flexible O/E test module was fabricated in the following two steps by using standard packaging processes. First, two vertical cavity surface emitting laser diodes (VCSELs) and one VCSEL driver (VD) were flip-chip bonded to a completed flexible printed circuit board (PCB), and two photodiodes (PDs) and one transimpedance amplifier/limiting amplifier (TIA/LA) to another flexible PCB. Second, the two flexible PCBs were attached with a polynorbornene (PNB) sheet in which high-density PNB waveguides were formed by UV exposure. Active areas of VCSELs and PDs on the flexible PCBs were aligned to micromirrors of the waveguides with -6 µm offset toward the signal propagation direction. We successfully demonstrated data transmission over 10 Gbps and low inter-channel crosstalk of less than -20 dB was achieved in the flexible O/E test module with 120-mm-long and 62.5-µm-pitch waveguides.

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Section: Introductionmentioning

confidence: 99%

Impact of Data Transmission over 10 Gbps on High-Density and Low-Cost Optoelectronic Module with Polynorbornene Waveguides

Ito¹,

Terada²,

Arai³

et al. 2012

Jpn. J. Appl. Phys.

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Design and development of triggering generator for Helmholtz coil

Rajendran

Sinha

2017

2017 International Conference on Technological Advancements in Power and Energy ( TAP Energy)

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Optical Beam Propagation and Ray Tracing Simulation of Interruption-Free Asymmetric Multimode Bus Couplers

Lorenz¹,

Nieweglowski²,

Wolter³

et al. 2017

Journal of Microelectronics and Electronic Packaging

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In this article, we present a coupling concept for an interruption-free asymmetric bidirectional optical bus coupler for board and module level. With this approach, it is possible to connect several electro-optical devices to a single waveguide. A core-to-core connection principle is used, where the cores get into physical contact at their side faces. The coupling ratio can be tuned by adjusting the overlap area of the two cores with different contact pressures. Because of a bending in one of the waveguides, it is possible to achieve a specific asymmetric coupler design, where the coupling ratio depends on the coupling direction (bent waveguide to rigid one or vice versa). To derive design rules for prototyping, a simulation is performed using two different independent approaches for cross-checking. With a ray tracing simulation, coupling ratios and energy distribution within the bent core are analyzed. In addition, a simulation with the beam propagation method is used to take wave optical effects into account as well as to establish a holistic view on the coupling concept.

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Novel optical transmitter and receiver for parallel optical interconnects on PCB-level

Cited by 3 publications

References 8 publications

Impact of Data Transmission over 10 Gbps on High-Density and Low-Cost Optoelectronic Module with Polynorbornene Waveguides

Impact of Data Transmission over 10 Gbps on High-Density and Low-Cost Optoelectronic Module with Polynorbornene Waveguides

Design and development of triggering generator for Helmholtz coil

Optical Beam Propagation and Ray Tracing Simulation of Interruption-Free Asymmetric Multimode Bus Couplers

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