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pro vyhledávání: '"Yi, Yasha"'
We explore the cutting-edge application of silicon-rich nitride (SRN) in the realm of high numerical aperture (NA) metalens design, focusing on the crucial role of pitch size optimization in amplifying lens efficiency through advanced simulations. Ou
Externí odkaz:
http://arxiv.org/abs/2404.00134
Grating lobes arise from the periodic nature of element spacing in the optical phased array. Essentially, the phased array performs the Spatial Fourier Transform on light; the steering capability of the main lobe is governed by phase shift variations
Externí odkaz:
http://arxiv.org/abs/2402.10928
Traditional photonic integrated circuit (PIC) inherits the mature CMOS fabrication process from the electronic integrated circuit (IC) industry. However, this process also limits the PIC structure to a single-waveguide-layer configuration. In this wo
Externí odkaz:
http://arxiv.org/abs/2208.09783
Beam steering device such as optical phased array (OPA) is a key component in applications of solid-state Lidar and wireless communication. The traditional single-layer optical phased array (OPA) results in a significant energy loss due to the substr
Externí odkaz:
http://arxiv.org/abs/1912.03326
Metalens as one of the most popular applications of emmerging optical metasurfaces has raised widspread interest recently. With nano structures fully controlling phase, polarization and transmission, metalens has achieved comparable performance of co
Externí odkaz:
http://arxiv.org/abs/1906.10681
Akademický článek
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Akademický článek
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Autor:
Yi, Yasha, 1974
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2004.
"June 2004."
Includes bibliographical references (leaves 170-180).
This thesis focuses on integrated silicon based photonic structures, photonic band gap (
"June 2004."
Includes bibliographical references (leaves 170-180).
This thesis focuses on integrated silicon based photonic structures, photonic band gap (
Externí odkaz:
http://hdl.handle.net/1721.1/29457
Publikováno v:
AIP ADVANCES Vol.1, 032124 (2011)
Antireflection with broadband and wide angle properties is important for a wide range of applications on photovoltaic cells and display. The SiOx shell layer provides a natural antireflection from air to the Si core absorption layer. In this work, we
Externí odkaz:
http://arxiv.org/abs/1108.1088
Publikováno v:
Optics Letters, Vol.36, 3042 (2011)
We have demonstrated higher-order optical resonance node detection by using an integrated disk microresonator from through port of the coupling bus waveguide. In addition to the fundamental mode, the disk resonator has higher-order whispering gallery
Externí odkaz:
http://arxiv.org/abs/1108.1082