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- W2911156734 abstract "The linewidth enhancement factor (alpha) is an important parameter for a semiconductor laser (SL). This paper presents a new method for measuring alpha by using the dynamics of an SL with optical feedback. A self-mixing interferometry (SMI) configuration is used to implement the proposed method. The relaxation oscillation (RO) of an SL with optical feedback carries the information of alpha. Staring from the well-known Lang-Kobayashi (L-K) equations, we investigated the transient behavior of an SL with external optical feedback, and the relationship between SL’ $mathbf{s}$ RO frequency and alpha. By applying FFT on the transient waveform, the RO frequency can be obtained and further used to calculate alpha. This work provides a new technique to the area of alpha measurement." @default.
- W2911156734 created "2019-01-25" @default.
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- W2911156734 date "2018-05-01" @default.
- W2911156734 modified "2023-09-24" @default.
- W2911156734 title "Alpha Measurement Using Laser Dynamics" @default.
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- W2911156734 doi "https://doi.org/10.1109/fcs.2018.8597542" @default.
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