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Demonstrating optoelectronic interconnect in a FPGA based prototype system using flip chip mounted 2D arrays of optical components and 2D POF-ribbon arrays as optical pathways

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Abstract
Architectural studies have identified field-programmable gate arrays (FPGA) as a class of general-purpose very large scale integration components that could benefit from the introduction at the logic level of state-of-the-art massively parallel optical inter-chip interconnections. In this paper, we present a small-scale optoelectronic multi-FPGA demonstrator in which three optoelectronic enhanced FPGAs are interconnected by 2D Plastic Optical Fiber (POF) ribbon arrays. The full-custom, FPGA chips consisting of an 8 x 8 array of very simple programmable logic cells are equipped with two optical sources and two receivers per FPGA cell yielding a maximum of 256 optical links per chip. The optical links are designed for signaling rates of 80 to 100 Mbit/s (160 to 200 Mbaud using Manchester coded data:) compatible with the maximum clock frequency of the, in 0.6 pin CMOS implemented, FPGA chips. The results of parallel link experiments between such modules with both VCSELs and LEDs as sources will be shown. A large scale parallel bit error rate experiment at 90 Mbit/s/channel between two half-populated VCSEL-based FPGA modules with 112 of their 128 channels operational at bit error rates below 10(-13) on all active channels (approximate to 10 Gbit/s/chip) proves the feasibility of this approach. We first briefly discuss the general architecture and the realization of the optoelectronic FPGA demonstrator system. We then present measurement results on the available modules, followed by some conclusions on this work.
Keywords
FPGA, optoelectronic interconnect, optoelectronic demonstrator, POF, plastic fiber bundles

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Chicago
Brunfaut, Marnik, Wim Meeus, Jan Van Campenhout, Richard Annen, Patrick Zenklusen, Hans Melchior, Ronny Bockstaele, et al. 2001. “Demonstrating Optoelectronic Interconnect in a FPGA Based Prototype System Using Flip Chip Mounted 2D Arrays of Optical Components and 2D POF-ribbon Arrays as Optical Pathways.” In Proceedings of the Society of Photo-optical Instrumentation Engineers (spie), ed. Mohammad R Taghizadeh, Hugo Thienpont, and Ghassan E Jabbour, 4455:160–171. Bellingham, WA, USA: SPIE, the International Society for Optical Engineering.
APA
Brunfaut, M., Meeus, W., Van Campenhout, J., Annen, R., Zenklusen, P., Melchior, H., Bockstaele, R., et al. (2001). Demonstrating optoelectronic interconnect in a FPGA based prototype system using flip chip mounted 2D arrays of optical components and 2D POF-ribbon arrays as optical pathways. In M. R. Taghizadeh, H. Thienpont, & G. E. Jabbour (Eds.), PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE) (Vol. 4455, pp. 160–171). Presented at the Conference on Micro- and Nano-optics for Optical Interconnection and Information Processing, Bellingham, WA, USA: SPIE, the International Society for Optical Engineering.
Vancouver
1.
Brunfaut M, Meeus W, Van Campenhout J, Annen R, Zenklusen P, Melchior H, et al. Demonstrating optoelectronic interconnect in a FPGA based prototype system using flip chip mounted 2D arrays of optical components and 2D POF-ribbon arrays as optical pathways. In: Taghizadeh MR, Thienpont H, Jabbour GE, editors. PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE). Bellingham, WA, USA: SPIE, the International Society for Optical Engineering; 2001. p. 160–71.
MLA
Brunfaut, Marnik, Wim Meeus, Jan Van Campenhout, et al. “Demonstrating Optoelectronic Interconnect in a FPGA Based Prototype System Using Flip Chip Mounted 2D Arrays of Optical Components and 2D POF-ribbon Arrays as Optical Pathways.” Proceedings of the Society of Photo-optical Instrumentation Engineers (spie). Ed. Mohammad R Taghizadeh, Hugo Thienpont, & Ghassan E Jabbour. Vol. 4455. Bellingham, WA, USA: SPIE, the International Society for Optical Engineering, 2001. 160–171. Print.
@inproceedings{402266,
  abstract     = {Architectural studies have identified field-programmable gate arrays (FPGA) as a class of general-purpose very large scale integration components that could benefit from the introduction at the logic level of state-of-the-art massively parallel optical inter-chip interconnections. In this paper, we present a small-scale optoelectronic multi-FPGA demonstrator in which three optoelectronic enhanced FPGAs are interconnected by 2D Plastic Optical Fiber (POF) ribbon arrays. The full-custom, FPGA chips consisting of an 8 x 8 array of very simple programmable logic cells are equipped with two optical sources and two receivers per FPGA cell yielding a maximum of 256 optical links per chip. The optical links are designed for signaling rates of 80 to 100 Mbit/s (160 to 200 Mbaud using Manchester coded data:) compatible with the maximum clock frequency of the, in 0.6 pin CMOS implemented, FPGA chips.
The results of parallel link experiments between such modules with both VCSELs and LEDs as sources will be shown. A large scale parallel bit error rate experiment at 90 Mbit/s/channel between two half-populated VCSEL-based FPGA modules with 112 of their 128 channels operational at bit error rates below 10(-13) on all active channels (approximate to 10 Gbit/s/chip) proves the feasibility of this approach. We first briefly discuss the general architecture and the realization of the optoelectronic FPGA demonstrator system. We then present measurement results on the available modules, followed by some conclusions on this work.},
  author       = {Brunfaut, Marnik and Meeus, Wim and Van Campenhout, Jan and Annen, Richard and Zenklusen, Patrick and Melchior, Hans and Bockstaele, Ronny and Vanwassenhove, Luc and Hall, Jonathan L and Wittman, Bjorn and Nayer, Andreas and Heremans, Paul L and Van Koetsem, Jan and King, Roger and Thienpont, Hugo and Baets, Roel},
  booktitle    = {PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE)},
  editor       = {Taghizadeh, Mohammad R and Thienpont, Hugo and Jabbour, Ghassan E},
  isbn         = {0-8194-4169-4},
  issn         = {0277-786X},
  keywords     = {FPGA,optoelectronic interconnect,optoelectronic demonstrator,POF,plastic fiber bundles},
  language     = {eng},
  location     = {San Diego, CA, USA},
  pages        = {160--171},
  publisher    = {SPIE, the International Society for Optical Engineering},
  title        = {Demonstrating optoelectronic interconnect in a FPGA based prototype system using flip chip mounted 2D arrays of optical components and 2D POF-ribbon arrays as optical pathways},
  url          = {http://dx.doi.org/10.1117/12.450437},
  volume       = {4455},
  year         = {2001},
}

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