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3D surface profiling via photonic integrated geometric sensor
Ziyao Zhang, Yizhi Wang, Chunhui Yao +11
Measurements of microscale surface patterns are essential for process and quality control in industries across semiconductors, micro-machining, and biomedicines. However, the devel…
Optical Convolutional Spectrometer
Chunhui Yao, Jie Ma, Ningning Wang +12
Optical spectrometers are fundamental across numerous disciplines in science and technology. However, miniaturized versions, while essential for in situ measurements, are often res…
Chip-scale sensor for spectroscopic metrology
Chunhui Yao, Wanlu Zhang, Peng Bao +10
Miniaturized spectrometers hold great promise for in situ, in vitro, and even in vivo sensing applications. However, their size reduction imposes vital performance constraints in m…
Redesigning spectroscopic sensors with programmable photonic circuits
Chunhui Yao, Kangning Xu, Wanlu Zhang +3
Optical spectroscopic sensors are a powerful tool to reveal light-matter interactions in many fields, such as physics, biology, chemistry, and astronomy. Miniaturizing the currentl…