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Optica Publishing Group
  • Journal of Lightwave Technology
  • Vol. 21,
  • Issue 6,
  • pp. 1531-
  • (2003)

Performance Analysis of 10-µm-Thick VCSEL Array in Fully Embedded Board Level Guided-Wave Optoelectronic Interconnects

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Abstract

We introduce a simple and effective heat sink structure for thin-film vertical cavity surface emitting lasers (VCSELs) in fully embedded board level guided-wave interconnects. A 50% quantum efficiency increase is experimentally confirmed for the 10-µm thin-film VCSELs. The thermal resistance of a 1 × 12 embedded thin-film VCSEL array in printed circuit board (PCB) is further analyzed. The experimental results show an excellent match with the simulated results. The 10-µm-thick VCSEL had the lowest thermal resistance and the highest differential efficiency compared to 250-, 200-, 150-, and 100-µm-thick VCSELs. A substrate removed VCSEL can be used in fully embedded board level optical interconnects without special cooling techniques.

© 2003 IEEE

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