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Proceedings Paper

Backplane photonic interconnect modules with optical jumpers
Author(s): Alexei L. Glebov; Michael G. Lee; Kishio Yokouchi
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Paper Abstract

Prototypes of optical interconnect (OI) modules for backplane applications are presented. The transceivers attached to the linecards E/O convert the signals that are passed to and from the backplane by optical jumpers terminated with MTP-type connectors. The connectors plug into adaptors attached to the backplane and the microlens arrays mounted in the adaptors couple the light between the fibers and waveguides. Planar polymer channel waveguides with 30-50 μm cross-sections route the optical signals across the board with propagation losses as low as 0.05 dB/cm @ 850 nm. The 45º-tapered integrated micromirrors reflect the light in and out of the waveguide plane with the loss of 0.8 dB per mirror. The connector displacement measurements indicate that the adaptor lateral assembly accuracy can be at least ±10 μm for the excess loss not exceeding 1 dB. Insertion losses of the test modules with integrated waveguides, 45º mirrors, and pluggable optical jumper connectors are about 5 dB. Eye diagrams at 10.7 Gb/s have typical width and height of 70 ps and 400 mV, respectively, and jitter of about 20 ps.

Paper Details

Date Published: 11 March 2005
PDF: 9 pages
Proc. SPIE 5731, Photonics Packaging and Integration V, (11 March 2005); doi: 10.1117/12.587911
Show Author Affiliations
Alexei L. Glebov, Fujitsu Labs. of America (United States)
Michael G. Lee, Fujitsu Labs. of America (United States)
Kishio Yokouchi, Fujitsu Labs. of America (United States)


Published in SPIE Proceedings Vol. 5731:
Photonics Packaging and Integration V
Randy A. Heyler; Ray T. Chen, Editor(s)

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