New TDM frequency spacing stabilization scheme for DFB lasers used in FDM systems

Aiguo Li; Yuqiao Liu; Deming Wu; Linzhen Xie

doi:10.1117/12.143680

30 April 1993 New TDM frequency spacing stabilization scheme for DFB lasers used in FDM systems

Aiguo Li, Yuqiao Liu, Deming Wu, Linzhen Xie

Proceedings Volume 1837, Frequency-Stabilized Lasers and Their Applications; (1993) https://doi.org/10.1117/12.143680
Event: Applications in Optical Science and Engineering, 1992, Boston, MA, United States

Abstract

A new method for channel spacing stabilization to be used in densely packed FDM systems is reported. A periodic step wave signal is applied on a Fabry-Perot interferometer to create a number of equally spaced resonance peaks within one free spectrum range (FSR), and these peaks are used to control the frequency spacing of the transmitter lasers of frequency-division- multiplexing (FDM) systems by time-division-multiplexing (TDM). This new scheme has the capability of frequency-spacing-stabilizing a large number of transmitter lasers and a good frequency spacing stability for practical FDM systems.

Citation Download Citation

Aiguo Li, Yuqiao Liu, Deming Wu, and Linzhen Xie "New TDM frequency spacing stabilization scheme for DFB lasers used in FDM systems", Proc. SPIE 1837, Frequency-Stabilized Lasers and Their Applications, (30 April 1993); https://doi.org/10.1117/12.143680

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