Abstract

We theoretically and experimentally study the chirping mechanism responsible for the time shifts in soliton-dragging logic gates. Cross-phase modulation during the first one or two walk-off lengths in a birefringent optical fiber causes most of the frequency shift that translates into a time shift after propagation in a soliton dispersive delay line. Introducing gain or loss during the pulse interaction asymmetrizes the pulse walk-off and, consequently, increases the temporal window over which soliton dragging can result in a time shift. Analytic formulas for the time shift provide the scaling laws as a function of various fiber parameters.

© 1991 Optical Society of America

Prechirper to relax the timing restrictions for soliton-dragging logic gates

M. N. Islam, C. E. Soccolich, C.-J. Chen, U.-C. Paek, C. M. Schroeder, D. J. DiGiovanni, and J. R. Simpson
Opt. Lett. 16(8) 593-595 (1991)

Modeling of soliton-dragging logic gates with gain

S. Saxena, P. K. A. Wai, C.-J. Chen, and C. R. Menyuk
Opt. Lett. 19(17) 1370-1372 (1994)

Numerical study of the Raman effect and its impact on soliton-dragging logic gates

C.-J. Chen, C. R. Menyuk, M. N. Islam, and R. H. Stolen
Opt. Lett. 16(21) 1647-1649 (1991)

Numerical modeling of soliton-dragging logic gates

Q. Wang, P. K. A. Wai, C.-J. Chen, and C. R. Menyuk
J. Opt. Soc. Am. B 10(11) 2030-2039 (1993)

All-optical time-domain chirp switches

M. N. Islam, C.-J. Chen, and C. E. Soccolich
Opt. Lett. 16(7) 484-486 (1991)