High-speed VCSEL-based optical interconnects

Waguih S. Ishak

doi:10.1117/12.447769

8 November 2001 High-speed VCSEL-based optical interconnects

Waguih S. Ishak

Proceedings Volume 4533, Semiconductor Lasers for Lightwave Communication Systems; (2001) https://doi.org/10.1117/12.447769
Event: ITCom 2001: International Symposium on the Convergence of IT and Communications, 2001, Denver, CO, United States

Abstract

Vertical Cavity Surface Emitting Lasers (VCSEL) have made significant inroads into commercial realization especially in the area of data communications. Single VCSEL devices are key components in Gb Ethernet Transceivers. A multi-element VCSEL array is the key enabling technology for high-speed multi Gb/s parallel optical interconnect modules. In 1996, several companies introduced a new generation of fiber optic products based VCSEL technology such as multimode fiber transceivers for the ANSI Fiber Channel and Gigabit Ethernet IEEE 802.3 standards. VCSELs offer unique advantages over its edge-emitting counterparts in several areas. These include low-cost (LED-like) manufacturability, low current operation and array integrability. As data rates continue to increase, VCSELs offer the advantage of being able to provide the highest modulation bandwidth per milliamp of modulation current. Currently, most of the VCSEL-based products use short (780 - 980 nm) wavelength lasers. However, significant research efforts are taking place at universities and industrial research labs around the world to develop reliable, manufacturable and high-power long (1300 - 1550 nm) wavelength VCSELs. These lasers will allow longer (several km) transmission distances and will help alleviate some of the eye-safety issues. Perhaps, the most important advantage of VCSELs is the ability to form two-dimensional arrays much easier than in the case of edge-emitting lasers. These arrays (single and two-dimensional) will allow a whole new family of applications, specifically in very high-speed computer and switch interconnects.

Citation Download Citation

Waguih S. Ishak "High-speed VCSEL-based optical interconnects", Proc. SPIE 4533, Semiconductor Lasers for Lightwave Communication Systems, (8 November 2001); https://doi.org/10.1117/12.447769

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KEYWORDS

Vertical cavity surface emitting lasers

Optical interconnects

Manufacturing

Photodetectors

Standards development

Switches

Interfaces

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