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Kvantovaya Elektronika, 2016 Volume 46, Number 10, Pages 919–923 (Mi qe16484)

Fibreoptic devices

Control over the resonance wavelength of fibre Bragg gratings using resistive coatings based on single-wall carbon nanotubes

Yu. G. Gladusha, O. I. Medvedkovb, S. A. Vasil'evb, D. S. Kopylovac, V. Ya. Yakovlevc, A. G. Nasibulincde

a Institute of Spectroscopy, Russian Academy of Sciences, Troitsk, Moscow
b Fiber Optics Research Center of the Russian Academy of Sciences, Moscow
c Skolkovo Institute of Science and Technology
d Peter the Great Saint-Petersburg Polytechnic University
e Department of Applied Physics, School of Science, Aalto University, Finland

Abstract: We demonstrate that a thin resistive coating based on single-wall carbon nanotubes applied to the lateral surface of an optical fibre allows it to be uniformly heated up to a temperature of ~400 °C without damage to the coating. Using a fibre Bragg grating (FBG) as an example, we assess the efficiency of resonance wavelength thermal tuning and examine frequency characteristics that can be achieved using such coating. In particular, we show that the resonance wavelength of the FBG can be tuned over 3.2 nm with an efficiency of 8.7 nm W-1 and time constant of ~0.4 s.

Keywords: optical fibre, fibre Bragg gratings, single-wall carbon nanotubes.

Received: 28.07.2016
Revised: 17.09.2016


 English version:
Quantum Electronics, 2016, 46:10, 919–923

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