4.6 Article

Magnetophotonic crystal with cerium substituted yttrium iron garnet and enhanced Faraday rotation angle

Journal

OPTICS EXPRESS
Volume 24, Issue 8, Pages 8746-8753

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.24.008746

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Funding

  1. Japan Society for the Promotion of Science (JSPS) KAKENHI [26706009, 26600043, 26220902, 15H02240]
  2. Ministry of Internal Affairs and Communications (MIC) [0159-0117]
  3. NSF
  4. FAME, a SRC STARnet Center - DARPA
  5. MARCO
  6. Center for Materials Science and Engineering (CMSE) [NSF DMR1419807]
  7. Grants-in-Aid for Scientific Research [26706009, 26600043, 15H02240] Funding Source: KAKEN

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Magnetophotonic crystals (MPCs) comprising cerium-substituted yttrium iron garnet (CeYIG) sandwiched by two Bragg mirrors were fabricated by vacuum annealing. CeYIG was deposited on Bragg mirrors at room temperature and annealed in 5 Pa of residual air. No ceria or other non-garnet phases were detected. Cerium 3 + ions substituted on the yttrium sites and no cerium 4 + ions were found. The Faraday rotation angle of the MPC was -2.92 degrees at a wavelength of lambda = 1570 nm was 30 times larger than that of the CeYIG film. These results showed good agreement with calculated values derived using a matrix approach. (C) 2016 Optical Society of America

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