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The attractive use of microwave photonic (MWP) technologies brings about immense benefits to the field of optical sensing. Recent new developments in microwave photonic signal processing techniques that have high potentialities to be used in a variety of sensing applications are presented in the paper, including exploring the use of finite impulse response MWP filters for distributed sensing applications,...
We present an ultra-compact, reflective optical sensor probe based on silicon-on-insulator (SOI) microring resonator and Y-junction structure, which is capable of simultaneously achieving high sensitivity and fine resolution optical sensing. The reflective configuration of the probe enables remote measurements at locations which are otherwise hard to be assessed by transmission based sensors. As an...
An integrated photonic sensor based on an optoelectronic oscillator with an on-chip sensing probe that is capable of realizing highly sensitive and high-resolution optical sensing is presented. The key component is an integrated silicon-on-insulator based microring resonator which is used to implement a microwave photonic bandpass filter (MPBF) to effectively suppress the side modes of the optoelectronic...
In this paper, we proposed a new strategy for urban land cover classification by fusing high spatial resolution optical images and polarimetric SAR images. The novelty of strategy was in twofold: introduce an object-based classification method to alleviate the negative impact of inner class variability of high spatial resolution images in urban areas and geometric differences between the SAR and optical...
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