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Proceedings Paper

Measuring dynamic chirp in DFB lasers using an all-fiber implementation
Author(s): Hamutal Shalom; Moshe Tur
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Paper Abstract

The temporal response of the optical frequency of a single- frequency DFB laser under direct current modulation is an important parameter for evaluating the performance of optical communication systems. Using an all-fiber Mach- Zehnder interferometer, serving as a frequency discriminator, this temporal response was measured with time resolution of 0.1nS and frequency resolution of 100MHz. While similar schemes were previously built for the same purpose, this is the first all-fiber implementation that uses no moving parts. This setup was successfully used to measure and model the adiabatic and thermal chirp of a 1.3 micrometers DFB laser. The same setup as also used for direct measurements of the laser's FM response.

Paper Details

Date Published: 22 September 1997
PDF: 7 pages
Proc. SPIE 3110, 10th Meeting on Optical Engineering in Israel, (22 September 1997); doi: 10.1117/12.281413
Show Author Affiliations
Hamutal Shalom, Tel-Aviv Univ. (Israel)
Moshe Tur, Tel-Aviv Univ. (Israel)

Published in SPIE Proceedings Vol. 3110:
10th Meeting on Optical Engineering in Israel
Itzhak Shladov; Stanley R. Rotman, Editor(s)

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