Effect of external cavity length on self-mixing signals in a multilongitudinal-mode Fabry-Perot laser diode.
The effect of external-cavity length on self-mixing signals in a multilongitudinal-mode Fabry-Perot laser diode (FP-LD) was investigated experimentally. It has been shown that the output waveforms of self-mixing signals vary periodically when the length of the external cavity changes. This result agrees well with our theoretical calculations for the self-mixing effect of two adjacent longitudinal modes in a FP-LD. Moreover, the time-averaged output intensities of self-mixing signals has also been measured and compared with theoretical analysis.
Lv
Liang
L
Department of Physics, University of Science and Technology of China, Hefei, Anhui 230026, China. lvliang@mail.ustc.edu.cn
Gui
Huaqiao
H
Xie
Jianping
J
Zhao
Tianpeng
T
Chen
Xiyao
X
Wang
Anting
A
Li
Feng
F
He
DeYong
D
Xu
Jun
J
Ming
Hai
H