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Time-Reversal Operation of Wave Propagation Dynamics in Optical Waveguide Arrays
Hiroyuki YOSHIDA Noriaki TSUKADA
C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2010/02/01
Online ISSN: 1881-0217
Print ISSN: 1345-2827
Type of Manuscript: PAPER
optical waveguide arrays, time-reversal operation, coupling coefficient, phase,
Full Text(in Japanese): PDF(1.8MB)
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We propose a new scheme that can perform perfect time-reversal operation of the optical wave propagation dynamics in the optical waveguide arrays. The scheme utilizes a staggered 0 - π phase-imprinting on the optical waveguides. If the phase-imprinting is performed at z = z0, the initial distribution of the optical wave can be regained at z = 2z0. Although the nonlinearity of the waveguides deteriorates the property of the time-reversal operation, if the two-step phase-imprinting is performed on the waveguide arrays, the time-reversal property is improved for restricted values of the nonlinear coefficient.