Performance analysis of 10-μm-thick VCSEL array in fully embedded board level guided-wave optoelectronic interconnects

Author

Choi, Chulchae ; Lin, Lei ; Liu, Yujie ; Chen, Ray T.

Author_Institution

Dept. of Electr. & Comput. Eng., Univ. of Texas, Austin, TX, USA

Volume

21

Issue

6

fYear

2003

fDate

6/1/2003 12:00:00 AM

Firstpage

1531

Lastpage

1535

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.

Keywords

heat sinks; integrated optoelectronics; optical films; optical interconnections; printed circuits; semiconductor device packaging; semiconductor laser arrays; surface emitting lasers; thermal resistance; 10 micron; 100 micron; 150 micron; 200 micron; 250 micron; 50 percent; VCSEL array; VCSELs; cooling techniques; differential efficiency; effective heat sink structure; fully embedded board level guided-wave interconnects; fully embedded board level guided-wave optoelectronic interconnects; fully embedded board level optical interconnects; printed circuit board; quantum efficiency; substrate; thermal resistance; thin-film vertical cavity surface emitting lasers; Circuit simulation; Heat sinks; Integrated circuit interconnections; Performance analysis; Printed circuits; Surface emitting lasers; Surface resistance; Thermal resistance; Thin film circuits; Vertical cavity surface emitting lasers;

fLanguage

English

Journal_Title

Lightwave Technology, Journal of

Publisher

ieee

ISSN

0733-8724

Type

jour

DOI

10.1109/JLT.2003.812162

Filename

1216192