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Phase controlled integrated interferometric single-sideband filter based on planar Bragg gratings implementing photonic Hilbert transform

机译:基于平面布拉格光栅实现光子希尔伯特变换的相控集成干涉单边带滤波器

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摘要

The monolithically integrated all-optical single-sideband (SSB) filter based on photonic Hilbert transform and planar Bragg gratings is proposed and experimentally demonstrated. An SSB suppression of 12 dB at 6 GHz and sideband switching are achieved via thermal tuning. An X-coupler, photonic Hilbert transformer, flat top reflector, and a micro heater are incorporated in a single silicon-on-silica substrate. The device can be thermally tuned by the micro heater on top of the channel waveguide. The device is fabricated using a combination of direct UV grating writing technology and photolithography.
机译:提出并实验证明了基于光子希尔伯特变换和平面布拉格光栅的单片集成全光单边带(SSB)滤波器。通过热调谐可以在6 GHz处抑制12 dB的SSB并进行边带切换。 X耦合器,光子Hilbert变压器,平顶反射器和微型加热器集成在单个硅上硅衬底中。可以通过通道波导顶部的微型加热器对设备进行热调谐。该设备使用直接UV光栅写入技术和光刻技术的组合制造。

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