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Title

Direct optical fabrication of three-dimensional photonic crystals in a high refractive index LiNbO3 crystal

Author(s)

Zhou, Guangyong;  Gu, Min

Abstract

Direct optical fabrication of 3D photonic crystals in a high refractive index LiNbO3 crystal by using the femtosecond laser-induced microexplosion method is investigated. The focal distortion, caused by the refractive index mismatch-induced spherical aberration, can be significantly reduced by using a so-called threshold fabrication method. As a result, 3D fee photonic crystals are fabricated by stacking quasi-spherical voids layer by layer. Photonic stopgaps with suppression rates of up to 30% in the transmission spectra are observed. The angle dependence of the stopgaps is also revealed.

Publication type

Journal article

Research centre

Swinburne University of Technology. Faculty of Engineering and Industrial Sciences. Centre for Micro-Photonics

Source

Optics Letters, Vol. 31, no. 18 (2006), pp. 2783-2785

Publication year

2006

FOR Code(s)

0205 Optical Physics

Publisher

Optical Society of America

ISSN

1539-4794

Publisher URL

http://dx.doi.org/10.1364/ol.31.002783

Copyright

Copyright © 2006 Optical Society of America. Published version of the paper reproduced here in accordance with the copyright policy of the publisher. This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/abstract.cfm?URI=ol-31-18-2783. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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