High-speed characteristics of VCSELs

Jim A. Tatum; David Smith; James K. Guenter; Ralph H. Johnson

doi:10.1117/12.273829

1 May 1997 High-speed characteristics of VCSELs

Jim A. Tatum, David Smith, James K. Guenter, Ralph H. Johnson

Proceedings Volume 3004, Fabrication, Testing, and Reliability of Semiconductor Lasers II; (1997) https://doi.org/10.1117/12.273829
Event: Photonics West '97, 1997, San Jose, CA, United States

Abstract

The high speed characteristics of Vertical Cavity Surface Emitting Lasers (VCSELs) for use in modern high bandwidth fiber optical networks is presented. An equivalent circuit model based on microwave network analyzer S₁₁ measurements is developed. The dynamic operation of multi- transverse mode VCSELs is also investigated. Experimentally, a laser with two orthogonally polarized modes is examined. We show that each of the transverse laser modes may have significantly different rise and fall times. A multimode rate equation model is used to predict the exact pulseshape for each mode. The laser gain is saturated by the total optical intensity, and the sum of the modal powers is shown to have a constant rise and fall time. The system performance in terms of the bit error rate is also investigated. We demonstrate that selective attenuation of the optical modes can lead to an increase in the bit error rate due to polarization partitioning noise.

Citation Download Citation

Jim A. Tatum, David Smith, James K. Guenter, and Ralph H. Johnson "High-speed characteristics of VCSELs", Proc. SPIE 3004, Fabrication, Testing, and Reliability of Semiconductor Lasers II, (1 May 1997); https://doi.org/10.1117/12.273829

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