Seek-and-Hide : Adversarial Steganography via Deep Reinforcement Learning
The goal of image steganography is to hide a full-sized image, termed secret, into another, termed cover. Prior image steganography algorithms can conceal only one secret within one cover. In this …
Improving Charge Carrier Transport Properties in AlGaN Deep Ultraviolet Light…
In this study, we investigate a unique Al-content engineered superlattice electron blocking layer (AESL-EBL) for improving the charge carrier transport properties of AlGaN quantum well (QW) deep ul…
Patterning-Effect Calibration Algorithm for Secure Decoy-State Quantum Key Di…
The decoy-state method for the quantum key distribution (QKD) is a great countermeasure against the fatal photon number splitting attack. At present, the decoy-state method has been widely employed…
High Power-Efficiency, Low DMG Cladding-Pumped Few-Mode Er/Yb/P Co-Doped Fibe…
Mode division multiplexing (MDM) is considered to be an efficient solution to alleviate the exponentially increasing “capacity crunch”. Here, we numerically and experimentally demonstrate a hig…
Ultra-Widely Tunable Acousto-Optic Add-Drop Filter Based on Acoustically-Indu…
An ultra-widely tunable acousto-optic add-drop filter is proposed and demonstrated based on the acoustically-induced polarization conversion of cladding-etched single-mode fiber, which covers wavel…
Interferometric Fiber-Optic Hydrophone System Based on Linear Frequency Modul…
Microwave photonic sensing is an emerging technology that uses broadband analog optical signal processing to help traditional optical sensor achieve higher detection speed, sensitivity, and resolut…
Highly Sensitive Ultrasonic Sensor Based on Polymer Bragg Grating and its App…
A miniaturepolymer Bragg grating (PBG) sensor is fabricated and employed for ultrasonic imaging of seismic physical models (SPMs). The sensing Bragg grating is inscribed into an ultraviolet (UV) gl…
Tunable Narrow-Linewidth Fiber Laser Based on the Acoustically Controlled Pol…
Researches on high coherence light sources always pursue fast tuning speed, linear tunability and persistence of narrow linewidths at different tuning channels. Fortunately, acousto-optical interac…
Modified Gerchberg-Saxton Algorithm Based Electrical Dispersion Pre-Compensat…
In intensity-modulation and direct-detection (IM-DD) communication systems, electrical chromatic dispersion (CD) compensation cannot be directly applied in the transceivers due to the absence of ph…
Broadband Terahertz Half-Wave Plate With Multi-Layered Metamaterials Designed…
In this paper, we propose the novel design of terahertz half-wave plate (HWP) by using the multi-layered metamaterials with some specific rotation angles, which can be given by composite pulse cont…
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