A 25-Gb/s × 4-Ch, 8 × 8 mm2, 2.8-mm Thick Compact Optical Transceiver Module for On-Board Optical Interconnect

Chujo, Norio; Yazaki, Toru; Takai, Toshiaki; Kawamura, D.; Matsuoka, Y.; Lee, Y.; Sugawara, Toshiki; Yamashita, Hiroyuki; Tokuda, Takashi; Ishigami, Y.; Yamazaki, Keiji; Sunaga, Yoshinori; Matsushima, Naoki

doi:10.1364/nfoec.2013.jw2a.76

Cited by 8 publications

(3 citation statements)

References 3 publications

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“…Structure of compact optical transceiver module Fig. 2 shows the structure of the compact optical transceiver module, which is mounted on a board [4]. The module is a transceiver comprising a transmitter and a receiver.…”

Section: Compact Optical Transceiver Module Designmentioning

confidence: 99%

“…However, electrical transmission becomes increasingly problematic at high data rates and at a high density due to a higher level of loss and crosstalk. Therefore, a compact optical transceiver module and optical backplane for inner rack optical links have been discussed a lot [2][3][4][5]. Because ICT systems have several hundreds of links in a rack, a high density compact optical transceiver module that can be mounted two-dimensionally on a PCB is required for applying optical links into a rack.…”

Section: Introductionmentioning

confidence: 99%

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Crosstalk reduction for compact optical transceiver module

Cujo

Shinkai

Matsuoka

et al. 2014

2014 IEEE Electrical Design of Advanced Packaging &Amp; Systems Symposium (EDAPS)

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We propose crosstalk reduction for the compact optical transceiver module. Crosstalk is composed of three elements: crosstalk resulting from electromagnetic coupling between adjacent signal lines, crosstalk resulting from electromagnetic coupling between transmission and reception, and crosstalk resulting from source impedance. Each element was reduced by adding a shield pattern and reducing the impedance of the pattern and that of the source pattern. We fabricated a module and demonstrated error-free transmission with simultaneous operation at 25 Gb/s by using a 2 31 -1 pseudo random bit stream (PRBS).

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Section: Compact Optical Transceiver Module Designmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Crosstalk reduction for compact optical transceiver module

Cujo

Shinkai

Matsuoka

et al. 2014

2014 IEEE Electrical Design of Advanced Packaging &Amp; Systems Symposium (EDAPS)

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“…1) Lots of researches using vertical cavity surface emitting lasers (VCSELs) have been investigated for multimode optical interconnection. [2][3][4][5][6] On the other hand, singlemode optical interconnection using Si photonics has also been attracting attention for next-generation high-density and high-cost performance optical interconnect systems. [7][8][9][10][11] In these cases, one of the technical challenges that reduce optical interconnection productivity is misalignment between optical devices and optical waveguides.…”

Section: Introductionmentioning

confidence: 99%

Polymer optical waveguide lens with large optical coupling tolerance by segmented waveguide structure

Matsushima¹

2015

Jpn. J. Appl. Phys.

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A polymer optical waveguide lens with large optical coupling tolerance has been developed. An extension in the tolerance for laser diode (LD) positional misalignment has been obtained by using segmented optical waveguides on the edge of the optical waveguide that can control the beam spot size of the propagated optical beam. The proposed structure is calculated based on an extension of about 40% with a 0.5 dB misalignment tolerance. The effect of the tolerance extension is also obtained when measuring the optical coupling characteristics of the prototype polymer optical waveguide, which is manufactured on the basis of simulation results.

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