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HOME > Profile > AFSHAN BEGUM, Afshan Begum

Research

Keywords

• Semiconductor nanostructures • Photonic Dirac cones • Photonic Crystals • Optical Waveguides • Topological Photonics • Nanofabrication • Electron Beam Lithography • Dry Etching • PECVD •

• Introducing our work : https://youtu.be/dyb2Ig0bCoo?si=cRsLKmXYUBZTd0GB • • https://doi.org/10.7566/JPSHT.3.041 •

researchPicture

• Nanostructures for chips •
Topological photonic crystals for lossless communication:
https://doi.org/10.1103/PhysRevA.107.043507
https://doi.org/10.7566/JPSJ.92.114402
|| Large photonic bandgaps || without under etching || small refractive index contrast || helical edge-modes measured || high angle-resolution || mid-IR wavelengths ||
• Measured double Dirac cones •
https://doi.org/10.7566/JPSJ.91.084401

PublicationsNIMS affiliated publications since 2004.

Society memberships

Japan Physical Society, SPIE, OSA - The Optical Society, Institute of Electrical and Electronics Engineers, Optical Society of India, American Physical Society

Awards

  • NIMS Student Seminar Award, Doctoral course, year 2. Title, "Scheme to utilize Photonic Crystal Dirac Cone for waveguiding & lasing demonstration" (2020)
  • NIMS Student Seminar Award, Doctoral course, year 1. Title, "Topological Waveguide for Entangled Photon Pair Dissociation" (2019)
この機能は所内限定です。
この機能は所内限定です。

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