Generation of J_0-Bessel-Gauss beam by a heterogeneous refractive index map
Type
ArticleAuthors
San Roman Alerigi, Damian
Alsunaidi, Mohammad
Ben Slimane, Ahmed

Ng, Tien Khee

Ooi, Boon S.

Zhang, Yaping
KAUST Department
Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) DivisionElectrical Engineering Program
Photonics Laboratory
Physical Science and Engineering (PSE) Division
Date
2012-06-06Preprint Posting Date
2012-08-22Online Publication Date
2012-06-06Print Publication Date
2012-07-01Permanent link to this record
http://hdl.handle.net/10754/312979
Metadata
Show full item recordAbstract
In this paper, we present the theoretical studies of a refractive index map to implement a Gauss to a J0-Bessel-Gauss convertor. We theoretically demonstrate the viability of a device that could be fabricated on a Si/Si1-yOy/Si1-x-yGexCy platform or by photo-refractive media. The proposed device is 200 ?m in length and 25 ?m in width, and its refractive index varies in controllable steps across the light propagation and transversal directions. The computed conversion efficiency and loss are 90%, and -0.457 dB, respectively. The theoretical results, obtained from the beam conversion efficiency, self-regeneration, and propagation through an opaque obstruction, demonstrate that a two-dimensional (2D) graded index map of the refractive index can be used to transform a Gauss beam into a J0-Bessel-Gauss beam. To the best of our knowledge, this is the first demonstration of such beam transformation by means of a 2D index-mapping that is fully integrable in silicon photonics based planar lightwave circuits (PLCs). The concept device is significant for the eventual development of a new array of technologies, such as micro optical tweezers, optical traps, beam reshaping and nonlinear beam diode lasers. © 2012 Optical Society of America.Citation
San-Roman-Alerigi DP, Ng TK, Zhang Y, Ben Slimane A, Alsunaidi M, et al. (2012) Generation of J_0-Bessel-Gauss beam by a heterogeneous refractive index map. Journal of the Optical Society of America A 29: 1252. doi:10.1364/JOSAA.29.001252.Publisher
The Optical SocietyPubMed ID
22751390arXiv
arXiv:1208.4522Additional Links
http://www.opticsinfobase.org/abstract.cfm?URI=josaa-29-7-1252http://arxiv.org/abs/1208.4522
ae974a485f413a2113503eed53cd6c53
10.1364/JOSAA.29.001252
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