Published October 1, 1998
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Journal Article
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Precise measurement of semiconductor laser chirp using effect of propagation in dispersive fiber and application to simulation of transmission through fiber gratings
- Creators
- Peral, Eva
- Marshall, William K.
- Yariv, Amnon
Chicago
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Abstract
Measurements of small-signal intensity modulation from direct-modulated distributed feedback (DFB) semiconductor lasers after propagation in dispersive fiber have previously been used to extract intrinsic laser chirp parameters such as linewidth enhancement factor and crossover frequency. Here, we demonstrate that the simple rate equations do not satisfactorily account for the frequency response of real DFB lasers and describe some experimental techniques that conveniently determiner the precise laser chirp. Implications for simulation of high-speed lightwave systems are also considered.
Additional Information
© Copyright 1998 IEEE. Reprinted with permission. Manuscript received March 17, 1998; revised July 10, 1998. This work was supported by the Defense Advanced Research Projects Agency, the Office of Naval Research, and the Air Force Office of Scientific Research. The authors are grateful to J. Ianelli and T. R. Chen of the Ortel Corporation for providing the lasers and useful discussions. They also thank A. Bäcker for the careful reading of the manuscript and D. Provenzano for invaluable help in the laboratory.Files
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- 5187
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- CaltechAUTHORS:PERjlt98
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