The physics of electrically switched long-period grating in a twin-hole fiber with internal electrodes is studied. Dynamic measurements for the two polarizations show how the grating spectra shift in time due to the mechanical stress and heat transfer in the core and the cladding.
© 2011 Optical Society of America
Fiber Optics and Optical Communications
Original Manuscript: October 27, 2010
Revised Manuscript: January 5, 2011
Manuscript Accepted: January 23, 2011
Published: February 18, 2011
Zhangwei Yu, M. Malmström, C. Sterner, O. Tarasenko, W. Margulis, and P.-Y. Fonjallaz, "Dynamics of long-period gratings tuned with internal fiber electrodes," Opt. Lett. 36, 633-635 (2011)