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Applied Optics

Applied Optics


  • Vol. 29, Iss. 12 — Apr. 20, 1990
  • pp: 1810–1813

3 × 3 single-mode star coupler made from 2 × 2 couplers

Michel E. Marhic and Y. L. Chang  »View Author Affiliations

Applied Optics, Vol. 29, Issue 12, pp. 1810-1813 (1990)

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An optical network made from two 3-dB and one 1.76-dB 2 × 2 single-mode couplers can perform as a 3 × 3 star coupler. One version is particularly suitable for polarization-preserving components and requires adjustment of the phase in one arm; it can also perform the three-point discrete Fourier transform by suitable adjustment of other phases. Experimental verification of the principle is presented.

© 1990 Optical Society of America

Original Manuscript: May 1, 1989
Published: April 20, 1990

Michel E. Marhic and Y. L. Chang, "3 × 3 single-mode star coupler made from 2 × 2 couplers," Appl. Opt. 29, 1810-1813 (1990)

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