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Article
Thermal tuning of chirped SOI sidewall grating for tunable wavelength, delay, and bandwidth
In this work, we design a silicon-on-insulator (SOI) sidewall grating with tunable wavelength, delay, and bandwidth through thermal tuning. Incorporating uniform sidewall corrugations and a linearly chirped ri...
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Article
Surface composition-tunable octahedral PtCu nanoalloys advance the electrocatalytic performance on methanol and ethanol oxidation
The synthesis of surface composition-tunable Pt-based octahedral nanoalloys is key to unravel the structure-property relationship in fuel cells. Herein, we report a facile route to prepare composition-tunable ...
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Article
Improvement of slow light performance for vertical-cavity surface-emitting laser using coupled cavity structure
We propose a vertical cavity semiconductor emitting laser (VCSEL) using a coupled-cavity (CC) design to broaden the bandwidths of gain and delay spectra. The structure is formed by constructing a passive cavit...
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Article
Pump encoding in distributed Brillouin fiber sensors
Pump encoding is an effective approach to enhance the weak signal detection in distributed Brillouin fiber sensors. In this paper, a new encoding matrix that can improve the detection performance is proposed. ...