搜索结果: 1-11 共查到“光学工程 Microwave-Photonic”相关记录11条 . 查询时间(0.068 秒)
Photonic chip based tunable and reconfigurable narrowband microwave photonic filter using stimulated Brillouin scattering
Stimulated scattering modulation Nonlinear optics integrated optics Radio frequency photonics
2012/8/7
We report the first demonstration of a photonic chip based dynamically reconfigurable, widely tunable, narrow pass-band, high Q microwave photonic filter (MPF). We exploit stimulated Brillouin scatter...
Chirped Microwave Photonic Filter with High Frequency Tuning Capability
Chirped Microwave Photonic Filter High Frequency Tuning Capability
2011/5/21
A chirped single-bandpass photonic filter is proposed improving the delay performance achieved by microstrip structures. Frequency range is extended up to tens of GHz since carrier-suppression-effect ...
Microwave Photonic Filters with a Directly Generated Gaussian-shaped Optical Frequency Comb
Microwave Photonic Filters Directly Generated Gaussian-shaped Optical Frequency Comb
2011/5/21
Using electro-optic modulators, we generate a 41-line 10-GHz spaced Gaussian-shaped optical comb. We use this comb to demonstrate apodized microwave photonic filters with greater than 43-dB sidelobe s...
Intermodulation and Harmonic Distortion in Slow Light SOA based Microwave Photonic Phase Shifters
Intermodulation Harmonic Distortion Microwave Photonic Phase Shifters
2011/5/15
We theoretically and experimentally evaluate the harmonic and intermodulation distortion in a SFL phase shifter which comprises an EOM, a SOA under CPO regime and an optical filter.
Performance of Microwave-Photonic Links
Fiber optics links subsystems Fiber optics optical communications
2010/6/9
Progress in high-performance microwave-photonic links is reviewed. Although recent research has explored a wide variety of techniques, none has provided a spur-free dynamic range approaching what may ...
Optical Carrier Suppression and Balanced Coherent Heterodyne Detection for Improved Performance in Wide-band Microwave Photonic Links
Optical Carrier Suppression Balanced Coherent Heterodyne Detection Improved Performance Wide-band Microwave Photonic Links
2010/6/8
We demonstrate a wide-band microwave photonic link with high gain and dynamic range, low noise figure, and dispersion-free propagation using double sideband suppressed carrier modulation, optical ampl...
Tunable Microwave Photonic Filter with Programmable Apodization Based on Optical Comb
Radio frequency photonics ilters Microwaves
2010/6/8
We demonstrate the application of optical combs to implement microwave photonic filters with large number of taps. By utilizing optical delay and line-by-line pulse shaping we are able to tune and pro...
Harmonic Distortion in Slow Light SOA based Microwave Photonic Phase Shifters
Fiber optics communications Fiber optics links subsystems
2010/6/4
We present a theoretical and experimental evaluation of any general order harmonic distortion in a SFL phase shifter based on CPO in a SOA and propose different optical filtering implementations for d...
High Dynamic-Range Microwave Photonic Links using Maximally Linear FIR Optical Filters
Fiber optics links subsystems Frequency modulation
2010/6/4
We propose a microwave photonic link in which maximally linear FIR optical filters discriminate frequency modulation. Using a tenth-order filter, one can achieve a 127 dBm/Hz 2/3 SFDR with 1 mW of rec...
Microwave Photonic Technologies for Flexible Satellite Telecom Payloads
Microwave Photonic Technologies Flexible Satellite Telecom Payloads
2009/7/20
Photonics and microwave photonics are emerging as enabling technologies for advanced payload concepts with enhanced flexibility in future telecom satellites.
Optically Tuneable Microwave-Photonic Phase Shifter Based on Silicon Microring Resonator
Optically Tuneable Microwave-Photonic Phase Shifter Silicon Microring Resonator
2008/8/4
We demonstrate a microwave-photonic phase shifter based on a 20-μm-radius silicon microring resonator, providing a tunable phase shift for a 20-GHz signal in a range of 0 - -4.6 rad.