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Tunable Multiband Microwave Photonic Filters

Mable Fok, Jia Ge
2017 Photonics  
Due to these limitations, it is hard to achieve a microwave photonic multiband filter with a large passband number, high selectivity, and good passband uniformity.  ...  Table 1 shows a list of multiband RF filter examples with two or more passbands based on various RF electronic and microwave photonic techniques.  ...  With the use of the tunable coupler in the MZIs, the microwave photonic filter can be reconfigured to have various number of simultaneous passband-passband reconfigurable, by enabling or bypassing some  ... 
doi:10.3390/photonics4040045 fatcat:nihctid6ujdbvooamcnhrsa4qa

Passband switchable microwave photonic multiband filter

Jia Ge, Mable P. Fok
2015 Scientific Reports  
A reconfigurable microwave photonic (MWP) multiband filter with selectable and switchable passbands is proposed and experimentally demonstrated, with a maximum of 12 simultaneous passbands evenly distributed  ...  Center frequencies of the filter passbands are switchable, while the number of simultaneous passbands is tunable from 1 to 12.  ...  A reconfigurable microwave photonic (MWP) multiband filter with selectable and switchable passbands is proposed and experimentally demonstrated, with a maximum of 12 simultaneous passbands evenly distributed  ... 
doi:10.1038/srep15882 pmid:26521693 pmcid:PMC4629118 fatcat:v6aqq7hptbd4zn2pvszei3fcfy

Investigation of a selectable multi-passband microwave photonic filter based on cascaded optical comb filters

F. Wang, M.M. Peng
2021 Optica Applicata  
A multi-passband microwave photonic filter (MPF) with selectable passband frequency, spanning 0–20 GHz frequency range, is proposed, and experimentally demonstrated, in which passband frequency can be  ...  and a reconfigurable Lyot filter in series, such that various filter tap spacing and spectral combinations are obtained for the configuration of the MPF.  ...  Introduction Microwave photonic filter (MPF) has a lot of practical applications in radio frequency (RF) signals processing [1] [2] [3] .  ... 
doi:10.37190/oa210312 fatcat:mtl36s2zhjbijmhtoma3owhowi

High link performance of Brillouin-loss based microwave bandpass photonic filters

Andri Mahendra, Yang Liu, Eric Magi, Amol Choudhary, David Marpaung, Benjamin J. Eggleton
2018 OSA Continuum  
A noise figure of 18.9 dB is achieved in the passband with a filter bandwidth of 0.3 GHz at a central frequency of 14 GHz, with a link gain of −13.9 dB and a spurious free dynamic range of 106 dB.Hz 2/  ...  We present a high link-performance multi-band microwave photonic filter based on stimulated Brillouin scattering (SBS) loss responses.  ...  synthesis of high link-performance, tunable and reconfigurable SBS-based microwave photonic filters, with up to 10 passbands.  ... 
doi:10.1364/osac.1.001287 fatcat:wwqxqznpfjgt7aloxpjcixotfi

Freely-Tunable Dual-Passband Microwave Photonic Filter Based on Phase-to-Intensity Modulation Conversion by Stimulated Brillouin Scattering

Zhen Zeng, Zhiyao Zhang, Zhengkai Li, Jun Yuan, Shangjian Zhang, Yali Zhang, Zhengping Zhang, Yong Liu
2019 IEEE Photonics Journal  
Abstract: An approach to achieving a highly selective and stable microwave photonic filter (MPF) with two passbands independently tunable is presented.  ...  In the experiment, a dualpassband MPF with flexible passband tunability and shape-invariant tuning is demonstrated in the frequency range of 0-9.644 GHz, where the out-of-band rejection ratio and the 3  ...  Freely Tunable Dual-Passband Microwave Photonic Filter Based on Phase-to-Intensity Modulation Conversion by Stimulated Brillouin Scattering Introduction In recent years, dual-passband microwave filters  ... 
doi:10.1109/jphot.2019.2897593 fatcat:xho22knhlbbjpgrle3keqokmz4

Reconfigurable rectangular filter with continuously tunable bandwidth and wavelength

Jiachen Li, Minghua Chen, Hongwei Chen, Sigang Yang
2020 IEEE Photonics Journal  
We propose and demonstrate a rectangular optical lattice filter with reconfigurable bandwidth and wavelength.  ...  filter with optimized shape factor.  ...  Besides, reconfigurable optical filters are of great significance for microwave photonics to realize large-range reconfigurable microwave signal processing [4] .  ... 
doi:10.1109/jphot.2020.3003787 fatcat:j7e6kzuikbajvk75pesoxtv5fm

A Tunable Dual-Passband Microwave Photonic Filter Based on Optically Injected Distributed Feedback Semiconductor Lasers and Dual-Output Mach-Zehnder Modulator

Jiayi Zhao, Jingjing Hu, Pengcheng Deng, Runze Yu, Ruoxian Liu, Mingshan Zhao, Yiying Gu
2020 Applied Sciences  
In this paper, a novel approach to achieving a wideband tunable dual-passband microwave photonic filter (MPF) is proposed based on optical-injected distributed feedback (DFB) semiconductor lasers and a  ...  These effects provide a widely tunable range of center frequency, along with high flexibility and low insertion loss.  ...  , realizing the dual-passband microwave photonic filtering.  ... 
doi:10.3390/app10103631 fatcat:nv2lofqmungjxc2r23vcmynlim

Photonics for microwave systems and ultra-wideband signal processing

W. Ng
2016 Optics Communications  
In this paper, we review the progress made in the topical areas of true-time-delay beamsteering, photonic-assisted analog-to-digital conversion, RF-photonic filtering and link performances.  ...  The advantages of using the broadband and low-loss distribution attributes of photonics to enhance the signal processing and sensing capabilities of microwave systems are well known.  ...  Fig. 12 12 Plot of the transfer function HDIP(fin) [Eq. 4] modeling the dispersion induced penalty (DIP) in a TS photonic ADC system Fig. 13 13 RF-photonic filters in an aperture-remoted microwave antenna  ... 
doi:10.1016/j.optcom.2015.09.073 fatcat:sihd3ukofzbh7hro6zt6nepzya

Frequency Selective Surfaces: A Review

Rana Anwar, Lingfeng Mao, Huansheng Ning
2018 Applied Sciences  
This occurs when the frequency of electromagnetic (EM) wave matches with the resonant frequency of the FSS elements.  ...  Therefore, an FSS is capable of passing or blocking the EM waves of certain range of frequencies in the free space; consequently, identified as spatial filters.  ...  Similarly, stopband FSS filter blocks undesired frequencies while passband FSS filter allows only specific frequency range.  ... 
doi:10.3390/app8091689 fatcat:6hygnr6czfh27nzlgk2rryokqu

Concept for Continuously Tunable Output Filters for Digital Transmitter Architectures

Christian Schuster, Lukas Schynol, Andreas Wentzel, Florian Huhn, Ersin Polat, Sonke Schmidt, Rolf Jakoby, Wolfgang Heinrich, Holger Maune
2019 IEEE Access  
The presented tunable output filter is based on a multi-bandstop lowpass response to regenerate the original microwave signal at the output of the digital amplifier stage by suppressing unwanted frequency  ...  Small signal measurements were performed to evaluate tunability and suppression capabilities of the novel filter structure, which reveal a frequency tunability of 67 % with a suppression level of at least  ...  and Photonics.  ... 
doi:10.1109/access.2019.2938041 fatcat:x7kwd5jiibarbphsgaedukc2aa

Microwave Photonic Radars

Shilong Pan, Yamei Zhang
2020 Journal of Lightwave Technology  
In this tutorial, we overview the distinct features of microwave photonics and some key microwave photonic technologies that are currently known to be attractive for radars.  ...  In the past few decades, great efforts were devoted to improving radar's functionality, precision, and response time, of which the key is to generate, control and process a wideband signal with high speed  ...  A single-passband microwave photonic filter based on SBS and a fiber-ring resonator was realized in [286] .  ... 
doi:10.1109/jlt.2020.2993166 fatcat:i2zxke7cajdq3ixkppdl6h5rk4

IR-UWB-Over-Fiber Systems Compatible With WDM-PON Networks

Shilong Pan, Jianping Yao
2011 Journal of Lightwave Technology  
The features of the photonic microwave bandpass filters are theoretically studied.  ...  In this paper, we perform a comprehensive study on an impulse radio UWBoF system compatible with the WDM-PON architecture implemented based on a photonic microwave bandpass filter.  ...  To implement UWB pulse shaping, a photonic microwave filter must be a bandpass filter with a passband that covers a frequency range from 3.1 to 10.6 GHz.  ... 
doi:10.1109/jlt.2011.2165275 fatcat:gfd5ggexcraclbrz6zcw3ke264

Photonics-Based Microwave Image-Reject Mixer

2018 Photonics  
Recent developments in photonics-based microwave image-reject mixers (IRMs) are reviewed with an emphasis on the pre-filtering method, which applies an optical or electrical filter to remove the undesired  ...  The inherent challenges of implementing photonics-based microwave IRM to meet specific requirements of the radio frequency (RF) system are discussed.  ...  For example, the EBPF used in [12] has a passband of 8-9 GHz, thus, instantaneous working bandwidth is limited to 1 GHz.  ... 
doi:10.3390/photonics5020006 fatcat:j4unkt63v5b27ozhtu3lmhfynm

2019 Index IEEE Transactions on Microwave Theory and Techniques Vol. 67

2019 IEEE transactions on microwave theory and techniques  
., +, TMTT July 2019 2748-2758 A sion Lines With Simultaneously Reconfigurable Impedance and Phase Constant.  ...  ., +, TMTT May 2019 1911-1923 Frequency control Novel Reconfigurable Single-to-Balanced, Power-Dividing, and Sin- gle-Ended Filter With Frequency and Bandwidth Control.  ...  Power demand Design of Reconfigurable dB-Linear Variable-Gain Amplifier and Switchable-Order g m -C Filter in 65-nm CMOS Technology. Liu  ... 
doi:10.1109/tmtt.2019.2953035 fatcat:hyq2vngaxrcqlggu7bzcbzdyba

Waveguide effective plasmonics with structure dispersion

Xu Qin, Wangyu Sun, Ziheng Zhou, Pengyu Fu, Hao Li, Yue Li
2021 Nanophotonics  
However, plasmonic phenomena are always suffering from the inherent loss issue of plasmonic materials at optical frequency, which has restricted further applications of plasmonics.  ...  In this review, we focus on the technique of waveguide effective plasmonics, which is a feasible low-loss realization of plasmonic metamaterials in lower frequency based on the structural dispersion.  ...  A multi-order metatronic filter is realized in the microwave domain in Ref. [60] .  ... 
doi:10.1515/nanoph-2021-0613 fatcat:bz4tjgib4zhvhktc2sl2cpvh3e
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