✦ LIBER ✦

Polarization beam splitter based on photonic crystal self-collimation Mach–Zehnder interferometer

✍ Scribed by Xiyao Chen; Zexuan Qiang; Deyin Zhao; Yufei Wang; Hui Li; Yishen Qiu; Weidong Zhou

Publisher: Elsevier Science
Year: 2011
Tongue: English
Weight: 980 KB
Volume: 284
Category: Article
ISSN: 0030-4018
DOI: 10.1016/j.optcom.2010.08.081

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✦ Synopsis

A polarization beam splitter based on a self-collimation Mach-Zehnder interferometer (SMZI) in a hole-type silicon photonic crystal was proposed and numerically demonstrated. Utilizing polarization dependence of the transmission spectra of the SMZI and polarization peak matching (PPM) method, the SMZI can work as a polarization beam splitter (PBS) by selecting appropriate path length difference in the structure. Because of its intrinsic operating principle, the PBS possesses high polarization extinction ratios (PERs). As its dimensions are only several operating wavelengths, the PBS may have practical applications in photonic integrated circuits.

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