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Summary: All-optical polarization switch in a quadratic nonlinear photonic
quasicrystal
Ayelet Ganany-Padowicz,1,a
Irit Juwiler,2
Ofer Gayer,1
Alon Bahabad,3
and Ady Arie1
1
Department of Physical Electronics, Fleischman Faculty of Engineering, Tel-Aviv University,
Tel-Aviv 69978, Israel
2
Department of Electrical and Electronics Engineering, Sami Shamoon College of Engineering,
Ashdod 77245, Israel
3
Department of Physics and JILA, University of Colorado at Boulder and NIST, Boulder,
Colorado 80309, USA
Received 27 October 2008; accepted 1 February 2009; published online 4 March 2009
We present an all-optical intensity-dependent polarization switch based on cascaded
three-wave-mixing interactions in a quasiperiodic quadratic nonlinear photonic crystal. The
polarization switching is realized by simultaneous quasiphase matching of upconversion and
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