Time-division multiplexing with sampled modulation of laser diode

Jose Luis Santos; Faramarz Farahi; Trevor P. Newson; David A. Jackson

doi:10.1117/12.20307

1 August 1990 Time-division multiplexing with sampled modulation of laser diode

Jose Luis Santos, Faramarz Farahi, Trevor P. Newson, David A. Jackson

Proceedings Volume 1267, Fiber Optic Sensors IV; (1990) https://doi.org/10.1117/12.20307
Event: The International Congress on Optical Science and Engineering, 1990, The Hague, Netherlands

Abstract

A time division multiplexing technique is described in which the frequency of a laser source is modulated with a sampled ramp. The concept is demonstrated with two Mach-Zehnder interferometers in a parallel configuration, separated by a fibre delay line whose length is determined by the characteristics of the sampling waveform. Pseudo-heterodyne processing was used to recover the phase information from each interferometer. The expansion of the technique to a combined frequency and time division multiplexed fibre-optic sensing system is considered.

Citation Download Citation

Jose Luis Santos, Faramarz Farahi, Trevor P. Newson, and David A. Jackson "Time-division multiplexing with sampled modulation of laser diode", Proc. SPIE 1267, Fiber Optic Sensors IV, (1 August 1990); https://doi.org/10.1117/12.20307

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