Variable coupling coefficient nonlinear directional couplers with self-focusing and self-defocusing nonlinearity

Gangjun Liu, Bin M. Liang, Qu Li, Guo L. Jin

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Nonlinear directional couplers (NLDCs) with a variable coupling coefficient (VCC) in self-focusing and self-defocusing materials are investigated. Specifically, the Gaussian type VCC NLDCs are studied in detail. The results show that the responses of the VCC NLDCs on self-focusing and self-defocusing materials are different, especially when input power is high. The coupled-mode theory can also be used to predict the characteristics of the VCC NLDC on self-focusing material, even when input power is high.

Original languageEnglish (US)
Pages (from-to)4315-4319
Number of pages5
JournalApplied Optics
Volume42
Issue number21
StatePublished - Jul 20 2003
Externally publishedYes

Fingerprint

Directional couplers
directional couplers
defocusing
self focusing
coupling coefficients
nonlinearity
coupled modes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Variable coupling coefficient nonlinear directional couplers with self-focusing and self-defocusing nonlinearity. / Liu, Gangjun; Liang, Bin M.; Li, Qu; Jin, Guo L.

In: Applied Optics, Vol. 42, No. 21, 20.07.2003, p. 4315-4319.

Research output: Contribution to journalArticle

Liu, Gangjun ; Liang, Bin M. ; Li, Qu ; Jin, Guo L. / Variable coupling coefficient nonlinear directional couplers with self-focusing and self-defocusing nonlinearity. In: Applied Optics. 2003 ; Vol. 42, No. 21. pp. 4315-4319.
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