搜索结果: 1-12 共查到“光电子技术 Enhancement”相关记录12条 . 查询时间(0.109 秒)
Consideration of enhancement of thermal rectification using metamaterial models
Heat transfer Near-field Metamaterials Radiative Thermal rectification
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2015/8/6
We present a systematic study to highlight some of the fundamental physics that governs metamaterial based electromagnetic thermal rectifiers. In such thermal rectifiers, the rectification arises from...
Angular constraint on light-trapping absorption enhancement in solar cells
Angular constraint light-trapping absorption enhancement solar cells
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2015/8/10
Light trapping for solar cells can reduce production cost and improve energy conversion efficiency.Understanding some of the basic theoretical constraints on light trapping is therefore of funda...
Optical Modulation Signal Enhancement Using a Phase Sensitive Amplifier
Fiber optic amplifiers oscillators Nonlinear optics parametric processes
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2015/5/26
We propose and demonstrate the use of a PSA as a modulation signal enhancer for the first time. It can generate both phase- and amplitude modulated signals from low-extinction inputs.
Multi-band 16QAM-OFDM Vector Signal Delivery over 60-GHz DSB-SC Optical Millimeter-Wave through LO Enhancement
Multi-band 16QAM-OFDM Vector Signal Delivery 60-GHz DSB-SC
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2015/5/21
For the first time, multi-band vector signal delivery over DSB-SC RoF system generated via single-stage optical upconversion has been accomplished through LO power enhancement, and was successfully de...
A Broadband, Spectrally Flat, High Rep-rate Frequency Comb: Bandwidth Scaling and Flatness Enhancement of Phase Modulated CW through Cascaded Four-Wave Mixing
Broadband Spectrally Flat High Rep-rate Frequency Comb Bandwidth Scaling Flatness Enhancement Phase Modulated CW Cascaded Four-Wave Mixing
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2015/5/20
We demonstrate a scheme to scale the bandwidth by several times while enhancing spectral flatness of frequency combs generated by intensity and phase modulation of CW lasers using cascaded four-wave m...
Strong enhancement of streaming current power by application of two phase flow
Strong enhancement streaming current power two phase flow
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2016/12/2
We show that the performance of a streaming-potential based microfluidic energy conversion system can be strongly enhanced by the use of two phase flow. Injection of gas bubbles into a liquid-filled c...
Sensitivity enhancement in photonic crystal slab biosensors
Photonic crystals Guided waves Biological sensing and sensors Optical diagnostics for medicine
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2015/8/10
Refractive index sensitivity of guided resonances in photonic crystal slabs is analyzed. We show that modal properties of guided resonances strongly affect spectral sensitivity and quality factors, re...
Enhancement of optics-to-THz conversion efficiency by metallic slot waveguides
Nonlinear optics integrated optics Waveguides Surface plasmons
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2015/8/10
A metallic slot waveguide, with a dielectric strip embedded within, is investigated for the purpose of enhancing the optics-to-THz conversion efficiency using the difference-frequency generation...
Infrared Luminescence Enhancement by UV-Irradiation of H 2 -loaded Bi- Al-doped Fiber
Infrared Luminescence Enhancement UV-Irradiation Bi- Al-doped Fiber
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2015/7/16
ArF excimer laser irradiation of H 2 -loaded fibers increases the intensity of both the 1130 and 1390 nm fluorescence in Bi-Al-doped silica fiber by 18 dB and >16 dB.
Optical Demultiplexing with Extinction Ratio Enhancement Based on Higher Order Parametric Interaction
Optical Demultiplexing Extinction Ratio Enhancement Based Higher Order Parametric Interaction
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2015/7/14
We present the experimental demonstration of an all-optical demultiplexer for high speed OTDM data with optical regeneration capability. It is shown that higher order parametric interactions provide o...
Dynamic Range Enhancement and Amplitude Regeneration in Single Pump Fibre Optic Parametric Amplifiers using DPSK Modulation
Dynamic Range Enhancement Amplitude Regeneration Single Pump Fibre Optic Parametric Amplifiers DPSK Modulation
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2015/7/31
Input power dynamic range enhancement and amplitude regeneration of highly distorted signals are demonstrated experimentally for 40 Gbit/s RZ-DPSK in a single-pump fibre parametric amplifier with 22 d...
Photonic-crystal slow-light enhancement of nonlinear phase sensitivity
Photonic-crystal nonlinear phase sensitivity
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2015/8/11
We demonstrate how slow group velocities of light, which are readily achievable in photonic-crystal systems,can dramatically increase the induced phase shifts caused by small changes in the index of r...