Measuring dynamic chirp in DFB lasers using an all-fiber implementation

Hamutal Shalom; Moshe Tur

doi:10.1117/12.281413

22 September 1997 Measuring dynamic chirp in DFB lasers using an all-fiber implementation

Hamutal Shalom, Moshe Tur

Proceedings Volume 3110, 10th Meeting on Optical Engineering in Israel; (1997) https://doi.org/10.1117/12.281413
Event: 10th Meeting on Optical Engineering in Israel, 1997, Jerusalem, Israel

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.

Citation Download Citation

Hamutal Shalom and Moshe Tur "Measuring dynamic chirp in DFB lasers using an all-fiber implementation", Proc. SPIE 3110, 10th Meeting on Optical Engineering in Israel, (22 September 1997); https://doi.org/10.1117/12.281413

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