High-efficiency polarization beam splitter based on a self-collimating photonic crystal
JOSA B, Vol. 27, Issue 11, pp. 2247-2254 (2010)
http://dx.doi.org/10.1364/JOSAB.27.002247
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Abstract
We present what we believe to be a novel high-efficiency photonic crystal polarization beam splitter that consists of a polarizing photonic crystal slab embedded in a two-dimensional self-collimating square lattice photonic crystal of air holes in silicon. The polarizing photonic crystal slab with the same lattice constant as the self-collimating photonic crystal background exhibits not only high reflection for transverse electric (TE) and high transmission for transverse magnetic (TM) polarization, but also high extinction ratios for both two-polarization output channels. Moreover, high-efficiency common antireflection structures for both TE and TM polarizations are applied at the input and output ends of the photonic crystal polarization beam splitter, thereby enabling one to achieve a highly efficient photonic crystal polarization beam splitter. It is shown that the primary transmissions exceeding 94.04% for TE and 92.39% for TM polarization output channels are achieved through the proposed photonic crystal polarization beam splitter.
© 2010 Optical Society of America
OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.1360) Optical devices : Beam splitters
(230.5440) Optical devices : Polarization-selective devices
(250.5300) Optoelectronics : Photonic integrated circuits
(310.1210) Thin films : Antireflection coatings
(230.5298) Optical devices : Photonic crystals
ToC Category:
Optical Devices
History
Original Manuscript: July 15, 2010
Manuscript Accepted: August 31, 2010
Published: October 12, 2010
Citation
Jong-Moon Park, Sun-Goo Lee, Hae-Ryeong Park, and Myung-Hyun Lee, "High-efficiency polarization beam splitter based on a self-collimating photonic crystal," J. Opt. Soc. Am. B 27, 2247-2254 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-11-2247
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