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2013 International Conference on Microwave and Photonics (ICMAP)最新文献

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Effect of nonparabolicity on Quantum Well laser of low band gap semiconductors 非抛物性对低带隙半导体量子阱激光器的影响
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733519
Sabyasachi Bhattacharyya, Anup Dey, B. Maiti
{"title":"Effect of nonparabolicity on Quantum Well laser of low band gap semiconductors","authors":"Sabyasachi Bhattacharyya, Anup Dey, B. Maiti","doi":"10.1109/ICMAP.2013.6733519","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733519","url":null,"abstract":"Three energy band model of Kane has been used to develop a general theory of optical gain for Quantum Well (QW) laser of low band gap semiconductors. Wave vector equation dependence on optical matrix element (OME) has been incorporated in determining the laser gain for these semiconductors having nonparabolic energy band profile. The effect of nonparabolicity is seen to increase the monochromaticity of laser. Intraband scattering and auger recombination present in the system have been found to play a major role in shifting the gain peak towards shorter wavelength, reduce line width and decrease the peak gain.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129199385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the temperature dependent efficiency of SiGe/Si heterojunction solar cell SiGe/Si异质结太阳能电池的温度依赖效率
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733560
S. K. Choudhary, M. Das
{"title":"On the temperature dependent efficiency of SiGe/Si heterojunction solar cell","authors":"S. K. Choudhary, M. Das","doi":"10.1109/ICMAP.2013.6733560","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733560","url":null,"abstract":"In this paper we present the model for Si1-xGex/Si heterojunction solar cell considering the effect of heterointerface carrier confinement. The effect of carrier confinement again depends on temperature of operation and device structure. Mainly the effect of temperature is considered in this article and the variation of efficiency of solar cell with temperature is reported here. Results show that the effect of temperature on the efficiency is nonlinear for high value of x, whereas it is linear for low x (<;0.1). Maximum efficiency of 17% is obtained at 300°K.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124606932","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design of U-Shaped CPW fed antenna with modified ground plane for WiMAX/WLAN applications 用于WiMAX/WLAN应用的u型CPW馈电天线设计
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733493
A. Chandelkar, T. Shanmuganantham
{"title":"Design of U-Shaped CPW fed antenna with modified ground plane for WiMAX/WLAN applications","authors":"A. Chandelkar, T. Shanmuganantham","doi":"10.1109/ICMAP.2013.6733493","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733493","url":null,"abstract":"In this paper, a U-Shaped Coplanar waveguide fed antenna with modified ground plane structure for worldwide interoperability for microwave access and wireless local area network applications is presented. The antenna is resonating at three different frequencies 3.7/5.5/7.3 GHz which covers the operating frequency range of WiMAX, WLAN. The antenna has simple planar structure of dimensions 23× 16× 0.8 mm3, using FR4 epoxy substrate of dielectric constant 4.4 and loss tangent of 0.002 with a slot on ground plane. The proposed antenna yields return loss of -10 dB, which covers the bandwidth specification of WiMAX and WLAN. The antenna is simulated using simulation tool Mentor Graphics IE3D electromagnetic solver which is based on method of moments (MoM).","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122826005","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Multiband microstrip stacked patch antenna using CSRR 基于CSRR的多波段微带堆叠贴片天线
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733475
Deepak Gangwar, Sushrut Das, R. L. Yadava
{"title":"Multiband microstrip stacked patch antenna using CSRR","authors":"Deepak Gangwar, Sushrut Das, R. L. Yadava","doi":"10.1109/ICMAP.2013.6733475","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733475","url":null,"abstract":"In this paper, Complementary split ring resonator (CSRR) loaded microstrip stacked patch antenna is designed. The proposed antenna structure is analyzed using Ansoft HFSS and simulation results are discussed, which is based on Finite Element Method. Upper patch is designed by CSRR. This antenna shows multiband behavior, which resonates at 3.32 GHz, 5.79 GHz, 6.94 GHz and 7.45 GHz. The peak gains of the proposed antenna structure are 6.45 dB, 5.61 dB, 6.3 dB and 8.7 dB respectively.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"115 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117099299","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Moment method analysis of dual slot coupled H — Plane Waveguide Tee — Junction using Multiple Cavity Modeling Technique 用多腔建模技术分析双槽耦合H平面波导三通结的矩量法
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733472
R. Gayen, Sushrut Das
{"title":"Moment method analysis of dual slot coupled H — Plane Waveguide Tee — Junction using Multiple Cavity Modeling Technique","authors":"R. Gayen, Sushrut Das","doi":"10.1109/ICMAP.2013.6733472","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733472","url":null,"abstract":"This paper presents method of moments based analysis of dual slot coupled H - plane Waveguide Tee - junction using Multiple Cavity Modeling Technique (MCMT). Theoretical data for reflection coefficients and transmission coefficients have been obtained. Due to the presence of slots there will be internal mutual coupling between them which has been taken into account. The theoretical data have been compared with Ansoft HFSS's simulated data to validate the proposed method. The excellent agreement obtained between the results validates the analysis.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128442174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The effects of geometric design on the performance of abrupt-tapered fiber Mach-Zehnder interferometers 几何设计对陡变锥形光纤马赫-曾德尔干涉仪性能的影响
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733516
Ting-Chieh Lu, Kuan-Yu Lou, G. A. Porter, N. Chen
{"title":"The effects of geometric design on the performance of abrupt-tapered fiber Mach-Zehnder interferometers","authors":"Ting-Chieh Lu, Kuan-Yu Lou, G. A. Porter, N. Chen","doi":"10.1109/ICMAP.2013.6733516","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733516","url":null,"abstract":"We investigate the influence of taper geometry in Er/Yb co-doped fiber (EYDF) strain sensors using tunable abrupt-tapered Mach-Zehnder interferometers (AT-MZI). It was found that the sensitivity of the strain sensor can be enhanced by reducing both the waist diameters of, and the span between the two abrupt tapers. For strains under 0.2% in AT-MZIs with a consistent span of 10 mm, the strain-induced interference wavelength shift increases from 0.5 nm to 8.4 nm as the average waist diameter of the two abrupt tapers decreases from 62.58 μm to 24.58 μm. Those AT-MZIs with a greater span between the abrupt tapers or a greater difference between the two taper waist diameters display a decreased sensitivity. It is also shown that the span between tapers in inversely proportional to the free spectrum range and the extionction ratio.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126896362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Effect of cylindrical cavity enclosure on resonance frequency of annular ring microstrip antenna 圆柱腔罩对环形微带天线谐振频率的影响
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733507
Ashutosh Kumar Singh, R. Gangwar, B. Kanaujia, Abhishek Sharma
{"title":"Effect of cylindrical cavity enclosure on resonance frequency of annular ring microstrip antenna","authors":"Ashutosh Kumar Singh, R. Gangwar, B. Kanaujia, Abhishek Sharma","doi":"10.1109/ICMAP.2013.6733507","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733507","url":null,"abstract":"The effect of cylindrical metallic enclosure on the resonant frequency of a suspended annular ring microstrip antenna (ARMSA) is investigated using HFSS simulation software and theoretically calculated using modal expansion cavity model and circuit theory concept. Theoretical result shows close agreement with simulated results. Variation in resonant frequency with air gap height and inner patch radius is also studied. The patch miniaturization of about 15% is achieved using cavity backed ARMSA.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"218 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124307823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Truncated compact circular microstrip antenna loaded with asymmetric slits 带非对称狭缝的截形紧凑圆形微带天线
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733483
Abhishek Sharma, Sachin Kumar, B. Kanaujia, M. K. Khandelwal
{"title":"Truncated compact circular microstrip antenna loaded with asymmetric slits","authors":"Abhishek Sharma, Sachin Kumar, B. Kanaujia, M. K. Khandelwal","doi":"10.1109/ICMAP.2013.6733483","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733483","url":null,"abstract":"A compact circular microstrip antenna is presented. The proposed radiating structure consists of a truncated circular patch loaded with asymmetric slits. A 32% compactness is achieved when compared with conventional circular microstrip antenna. The variation in resonant frequency with the slit dimensions is also investigated and observed that the antenna characteristics are highly dependent on slit dimensions. The resonant frequency can be altered by simply varying the slit dimensions. The proposed antenna may be a good candidate for indoor wireless local area network applications.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129831927","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A comparative study on determination of optimum detection threshold for minimum BER in a WDM receiver with component crosstalk 具有分量串扰的WDM接收机最小误码率最佳检测阈值确定的比较研究
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733543
P. Mukherjee, S. Sarkar, N. Das
{"title":"A comparative study on determination of optimum detection threshold for minimum BER in a WDM receiver with component crosstalk","authors":"P. Mukherjee, S. Sarkar, N. Das","doi":"10.1109/ICMAP.2013.6733543","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733543","url":null,"abstract":"Component crosstalk causes severe system performance degradation in an optical network. In this paper the influence of the component crosstalk originated from signal-crosstalk beat noise, on the performance of a preamplified WDM receiver is investigated assuming both Gaussian and non-Gaussian model. From the analysis it is evident that for the finite interfering channels the results obtained using non-Gaussian model varies significantly from Gaussian model in terms of BER and the optimum detection threshold for obtaining minimum BER, but as the number of interfering channels approaches large value the variations are minimized. Effects on BER and optimum detection thresholds for minimum bit error rates are compared, summarized and analyzed in both graphical and tabular form for the two different model.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129036999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
An ultra wideband bandpass filter using microstrip stub loaded resonators 一种使用微带短段加载谐振器的超宽带带通滤波器
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733492
I. Hussain, Sushrut Das, M. G. Tiary
{"title":"An ultra wideband bandpass filter using microstrip stub loaded resonators","authors":"I. Hussain, Sushrut Das, M. G. Tiary","doi":"10.1109/ICMAP.2013.6733492","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733492","url":null,"abstract":"This paper presents a compact ultra wideband (UWB) bandpass filter with improved passband response. The filter is designed by cascading two parallel stub loaded resonators. Six transmission poles are obtained in the passband, covering 3.8 to 10.6 GHz with a fractional bandwidth of 107.14%. The passband of the filter is also satisfying FCC's indoor limit. To make the fabrication process less complicated and less costly, the minimum strip width and gap width are kept above 0.1 mm.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"127 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122461997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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