Anisotropic leaky-mode modulator for holographic video displays
Anisotropic leaky-mode modulator for holographic video displays
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DOI：
10.1038/nature12217
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发表时间：
2013-06-20
期刊：
影响因子：
64.8
通讯作者：
Jolly, S.
中科院分区：
文献类型：
--
作者：
Smalley, D. E.;Smithwick, Q. Y. J.;Jolly, S.
每一个全息视频显示器都建立在一个空间光调制器上，空间光调制器通过衍射引导光在三维空间中形成点。由于以下几个原因，目前用于全息视频显示器的调制器的使用具有挑战性：它们具有相对低的带宽、高成本、低衍射角、较差的可扩展性、以及量化噪声、不想要的衍射级和零级光的存在。在这里，我们提出了基于各向异性漏模耦合器的全息视频显示器调制器，它具有解决所有这些挑战的潜力。这些调制器可以简单、单片和低成本地制造。此外，这些调制器还具有新的功能，例如用于彩色显示的波分复用。我们展示了特殊兴趣的三个使能特性--偏振旋转、放大角度衍射和频域滤色，并建议将该技术用作低成本、高性能全息视频显示的平台。
Every holographic video display is built on a spatial light modulator, which directs light by diffraction to form points in three-dimensional space. The modulators currently used for holographic video displays are challenging to use for several reasons: they have relatively low bandwidth, high cost, low diffraction angle, poor scalability, and the presence of quantization noise, unwanted diffractive orders and zero-order light. Here we present modulators for holographic video displays based on anisotropic leaky-mode couplers, which have the potential to address all of these challenges. These modulators can be fabricated simply, monolithically and at low cost. Additionally, these modulators are capable of new functionalities, such as wavelength division multiplexing for colour display. We demonstrate three enabling properties of particular interest-polarization rotation, enlarged angular diffraction, and frequency domain colour filtering-and suggest that this technology can be used as a platform for low-cost, high-performance holographic video displays.