Poled structure with inhibition blocks

Details Poled structure with inhibition blocks Poled structure with inhibition blocks

2007-09-21

2008-09-23

Sanghavi, Hemang (Department: 2874)

Optical: systems and elements

Optical frequency converter

C359S332000

Reexamination Certificate

active

07428097

ABSTRACT:
A poled structure comprises a ferroelectric substrate having a top surface and a bottom surface, at least one inhibition block positioned in the ferroelectric substrate, an electrode structure including a first electrode and a second electrode on the top surface and a third electrode in a portion of the bottom surface between the first electrode and the second electrode and a plurality of inverted domains positioned outside of the inhibition block in the ferroelectric substrate. The ferroelectric substrate has a first polarization direction and a first crystal structure, the inhibition block has a second crystal structure different from the first crystal structure, and the inverted domains has a second polarization direction substantially opposite to the first polarization direction.

REFERENCES:
patent: 6002515 (1999-12-01), Mizuuchi et al.
patent: 6353495 (2002-03-01), Mizuuchi et al.
patent: 2007/0258131 (2007-11-01), Yamaguchi et al.

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