supported by the National Natural Science Foundation of China(NSFC)(No.61975221);the Shanghai Science and Technology International Cooperation Fund(No.19520743900).
The idea of a slot waveguide amplifier based on erbium-doped tellurite glass is first theoretically discussed in this work.Choosing the horizontal slot for low propagation loss,the TM mode profile compressed in the in...
the National Key R&D Program of China(No.2019YFC1509500);Shenzhen Science and Technology Program(No.KQTD20180412181337494);National Natural Science Foundation of China(NSFC)(No.U1939207);Scientific Instrument Developing Project of the Chinese Academy ofSciences,Youth Innovation Promotion Association of CAS(No.2016106);Strategic Priority Research Program A of the Chinese Academy ofSciences(No.XDA22010201)。
We develop a low frequency fiber Fabry–Perot(F-P)seismometer based on transfer function analysis.The seismometer structure and demodulation system accuracy are limitations of low frequency seismic monitoring.The tran...
A plethora of physical-layer techniques aim to enhance the performance of communication systems in several ways. Spectral efficiency and security are on the top of the list of enhancements;however, both are isolated a...
supported by the National Natural Science Foundation of China(No.11574211)
In this Letter, an all-optical logic sequence generator based on two different polarization holographic gratings has been proposed and demonstrated, which has one input port and four output ports. The polarization sta...
funded by the Science and Technology on Solid-State Laser Laboratory
We demonstrate a high-efficiency and high-power quasi-three-level laser based on a trapezoidal composite slab architecture with a 270 μm-thick Yb-doping surface. The design of a surface-doped slab architecture,temper...
supported by the National Natural Science Foundation of China(No.11474172)
A double-zone aspheric diffractive intraocular lens (IOL) was designed and manufactured aiming to regain a continuous range of clear vision for pseudophakic presbyopia. After obtaining the IOL structure parameters t...
supported by the Foundation of Youth Innovation Promotion Association,Chinese Academy of Sciences(No.20150192)
Detecting and tracking multiple targets simultaneously for space-based surveillance requires multiple cameras,which leads to a large system volume and weight. To address this problem, we propose a wide-field detection...
the Major Scientific Instrument Development Project of the National Natural Science Foundation of China (Nos. 11627808 and 61675026);the National Science and Technology Major Project for their financial support
We have proposed and developed a design method of a freeform surfaces (FFSs) based hyper-numerical-aperture deep ultraviolet (DUV) projection objective (PO) with low aberration. With an aspheric initial configur...
supported by the National Key R&D Program of China(No.2016YFB0402504);the National Nature Science Foundation of China(Nos.61435013and 61405188)
In this Letter, a 16 channel 200 GHz wavelength tunable arrayed waveguide grating(AWG) is designed and fabricated based on the silicon on insulator platform. Considering that the performance of the AWG, such as cent...
supported by the Major Scientific Instrument Development Project of the National Natural Science Foundation of China(No.11627808);the National Natural Science Foundation of China(No.61675026);the National Science and Technology
A grating is an important element of a phase-shifting point diffraction interferometer, and the grating constant and duty cycle have a great impact on the interferometer, so the design of a grating becomes significant...