SNR improvement of 8.2 dB in a self-mixing laser diode interferometer by using the difference signal at the output mirrors [Invited]

Silvano Donati; Michele Norgia

doi:10.3788/COL202119.092502

[1] S. Donati. Developing self-mixing interferometry for instrumentation and measurements. Laser Photon. Rev., 6, 393(2012).

[2] S. Donati. Electro-Optical Instrumentation–Sensing and Measuring with Lasers(2004).

[3] S. Donati, M. Norgia. Overview of self-mixing interferometer applications to mechanical engineering. Opt. Eng., 57, 051506(2018).

[4] P. Dean, Y. L. Lim, A. Valavanis, R. Kleise, M. Nikolic, D. Indjin, Z. Ikonic, P. Harrison, A. D. Rakic, E. H. Lindfield, G. Davies. Terahertz imaging through self-mixing in a quantum cascade laser. Opt. Lett., 36, 2587(2011).

[5] E. Randone, S. Donati. Self-mixing interferometer: analysis of the output signals. Opt. Express, 14, 9788(2006).

[6] K. Li, F. Cavedo, A. Pesatori, C. Zhao, M. Norgia. Balanced detection for self-mixing interferometry. Opt. Lett., 42, 283(2017).

[7] S. Donati. Photodetectors–Devices, Circuits and Applications, 427(2021).

[8] J. L. Vey, K. Auen, W. Elsasser. Intensity fluctuation correlations for a Fabry–Perot semiconductor laser: a semiclassical analysis. Opt. Commun., 146, 325(1998).

[9] R. J. Fronen. Correlation between 1/f fluctuations in the two output beams of a laser diode. J. Quantum. Electron., 27, 931(1991).

Data from CrossRef