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Cosine S-bend hybrid junction digital optical switch

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3 Author(s)
Yulianti, I. ; Electr. Eng. Fac., Univ. Teknol. Malaysia, Johor Bahru ; Supa'at, A.S.M. ; Idrus, S.M.

This paper presents the design of digital optical switch (DOS) which exhibit low crosstalk, low insertion loss and low power consumption. The geometry of Y-junction was simulated and optimized using finite difference beam propagation method (FD- BPM). The optimized Y-junction shape has been determined to be hybrid shape which consists of cosine s-bend branch connected to linear branch. Compare to conventional linear Y-junction, the effective index modulation was reduced to 26.5% to achieve -34 dB of crosstalk value.

Published in:

Photonics in Switching, 2008. PS 2008. International Conference on

Date of Conference:

4-7 Aug. 2008