5 papers
High-Resolution Speckle-based Single-Pixel Imaging using Silicon Photonic Non-Redundant Optical Phased Array
Keita Hirashima, Taichiro Fukui, Kento Komatsu +3
Optical phased arrays (OPAs) are promising wavefront controlling devices for imaging applications due to their compact and high-speed nature. However, conventional periodic OPAs ha…
Scalable optical neural network with nonlocally coupled coherent photonic processor
Chun Ren, Ryota Tanomura, Kazuki Ichinose +5
Optical neural networks (ONNs) based on programmable photonic integrated circuits (PICs) offer a promising route toward low-latency and energy-efficient deep learning. However, con…
17 GHz Lossless InP-Membrane Active Metasurface
Taichiro Fukui, Kei Sumita, Hiroki Miyano +12
High-speed active metasurfaces enable spatiotemporal control of incident light within an ultra-thin layer, offering new possibilities for optical communication, computing, and sens…
Ultrafast one-chip optical receiver with functional metasurface
Go Soma, Tomohiro Akazawa, Eisaku Kato +4
High-speed optical receivers are crucial in modern optical communication systems. While complex photonic integrated circuits (PICs) are widely employed to harness the full degrees…
Metasurface-enabled non-orthogonal four-output polarization splitter for non-redundant full-Stokes imaging
Go Soma, Kento Komatsu, Chun Ren +2
Imaging polarimetry plays an essential role in various fields since it imparts rich information that cannot be obtained through mere intensity and spectral measurements. To retriev…