Reliability of a self-pulsating CD laser for fiber optic data links

Tong Lu; Robert F. Harding; Paul J. Sendelbach; Kathy A. McLaughlin

doi:10.1117/12.56862

1 February 1992 Reliability of a self-pulsating CD laser for fiber optic data links

Tong Lu, Robert F. Harding, Paul J. Sendelbach, Kathy A. McLaughlin

Proceedings Volume 1620, Laser Testing and Reliability; (1992) https://doi.org/10.1117/12.56862
Event: SPIE Technical: OPTCON '91, 1991, San Jose, CA, United States

Abstract

A 780 nm self-pulsating compact disc (CD) laser has been incorporated into both 266 and 220 megabits/second (Mb/s) optical data links by IBM Rochester to interconnect computer systems. Fiber optic data links based on this short wavelength (SW) laser not only meet the cost and performance requirements of the data communications, but also overcome the major challenges of laser reliability and modal noise. To satisfy the stringent reliability requirements of data communication, standard CD lasers are screened through wafer selection and device burn-in procedures. Present lifetest results with more than 20,000 hrs of accelerated aging at 85 degree(s), 75 degree(s), and 65 degree(s)C indicate that the average failure rate of the screened CD laser can be less than 0.03% per khrs in a typical computer machine application. Additionally, because of the short coherence length, self-pulsating CD laser structures have solved the modal noise problem when this laser is used in conjunction with multimode optical fibers.

Citation Download Citation

Tong Lu, Robert F. Harding, Paul J. Sendelbach, and Kathy A. McLaughlin "Reliability of a self-pulsating CD laser for fiber optic data links", Proc. SPIE 1620, Laser Testing and Reliability, (1 February 1992); https://doi.org/10.1117/12.56862

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