Pub Date : 2009-12-01DOI: 10.1109/LEOS.2009.5343118
R.A. Oliveira, C. Marques, R. Nogueira, J. Canning, A. Pohl
A fast add-drop multiplexer based on the acousto-optic effect is demonstrated. The measured switching time is 61 mus, obtained with a fiber-horn structure arranged along the fiber axis.
{"title":"Fast acousto-optic add-drop based on fiber bragg grating","authors":"R.A. Oliveira, C. Marques, R. Nogueira, J. Canning, A. Pohl","doi":"10.1109/LEOS.2009.5343118","DOIUrl":"https://doi.org/10.1109/LEOS.2009.5343118","url":null,"abstract":"A fast add-drop multiplexer based on the acousto-optic effect is demonstrated. The measured switching time is 61 mus, obtained with a fiber-horn structure arranged along the fiber axis.","PeriodicalId":269220,"journal":{"name":"2009 IEEE LEOS Annual Meeting Conference Proceedings","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123705005","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}
Pub Date : 2009-12-01DOI: 10.1109/LEOS.2009.5343271
Y. Shimomura, S. Miki, T. Tajiri, H. Tanaka
We have proposed a noninvasive measurement method of absolute hemodynamic components in human tissue using three-fiber-based diffuse reflectance spectroscopy, and demonstrated a verification of the proposed method by using continuous wave light system.
{"title":"Noninvasive measurement of absolute hemodynamic components in human tissue using three-fiber-based diffuse reflectance spectroscopy","authors":"Y. Shimomura, S. Miki, T. Tajiri, H. Tanaka","doi":"10.1109/LEOS.2009.5343271","DOIUrl":"https://doi.org/10.1109/LEOS.2009.5343271","url":null,"abstract":"We have proposed a noninvasive measurement method of absolute hemodynamic components in human tissue using three-fiber-based diffuse reflectance spectroscopy, and demonstrated a verification of the proposed method by using continuous wave light system.","PeriodicalId":269220,"journal":{"name":"2009 IEEE LEOS Annual Meeting Conference Proceedings","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121704727","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}
Pub Date : 2009-12-01DOI: 10.1109/LEOS.2009.5343261
Fangxin Li, Yongwoo Park, J. Azaña
A simple single-shot optical waveform characterization technique based on a novel `balanced' all-optical ultrafast differentiation concept is proposed. Single-shot, real-time measurements of Gigahertz-bandwidth amplitude-and-phase continuous-time optical modulation waveforms are experimentally demonstrated.
{"title":"Single-shot, real-time full characterization of high-speed continuous optical signals based on ‘balanced’ ultrafast photonic differentiation","authors":"Fangxin Li, Yongwoo Park, J. Azaña","doi":"10.1109/LEOS.2009.5343261","DOIUrl":"https://doi.org/10.1109/LEOS.2009.5343261","url":null,"abstract":"A simple single-shot optical waveform characterization technique based on a novel `balanced' all-optical ultrafast differentiation concept is proposed. Single-shot, real-time measurements of Gigahertz-bandwidth amplitude-and-phase continuous-time optical modulation waveforms are experimentally demonstrated.","PeriodicalId":269220,"journal":{"name":"2009 IEEE LEOS Annual Meeting Conference Proceedings","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121474039","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}
Pub Date : 2009-12-01DOI: 10.1109/LEOS.2009.5343483
A. Khorshidahmad, Andrew G. Kirk
Wavelength conversion over 90 nm around 1550 nm is demonstrated numerically through intermodal transition by uniformly tuning a proposed nested photonic crystal cavity. Discontinuity of the initial state and modal symmetry suppresses the adiabatic and multiple transitions.
{"title":"Wavelength conversion by interband transition in a nested photonic crystal cavity","authors":"A. Khorshidahmad, Andrew G. Kirk","doi":"10.1109/LEOS.2009.5343483","DOIUrl":"https://doi.org/10.1109/LEOS.2009.5343483","url":null,"abstract":"Wavelength conversion over 90 nm around 1550 nm is demonstrated numerically through intermodal transition by uniformly tuning a proposed nested photonic crystal cavity. Discontinuity of the initial state and modal symmetry suppresses the adiabatic and multiple transitions.","PeriodicalId":269220,"journal":{"name":"2009 IEEE LEOS Annual Meeting Conference Proceedings","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122666279","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}
Pub Date : 2009-12-01DOI: 10.1109/LEOS.2009.5343165
I. Ozdur, M. Akbulut, N. Hoghooghi, D. Mandridis, S. Ozharar, F. Quinlan, P. Delfyett
An optical frequency stabilized, coupled optoelectronic oscillator(COEO) with 1000 finesse intracavity etalon is presented with 10.287 GHz optical comb separation, <1kHz optical linewidth and >121dBc/Hz RF supermode noise spur suppression.
{"title":"Optical frequency stabilized coupled optoelectronic oscillator","authors":"I. Ozdur, M. Akbulut, N. Hoghooghi, D. Mandridis, S. Ozharar, F. Quinlan, P. Delfyett","doi":"10.1109/LEOS.2009.5343165","DOIUrl":"https://doi.org/10.1109/LEOS.2009.5343165","url":null,"abstract":"An optical frequency stabilized, coupled optoelectronic oscillator(COEO) with 1000 finesse intracavity etalon is presented with 10.287 GHz optical comb separation, <1kHz optical linewidth and >121dBc/Hz RF supermode noise spur suppression.","PeriodicalId":269220,"journal":{"name":"2009 IEEE LEOS Annual Meeting Conference Proceedings","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124210776","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}
Pub Date : 2009-12-01DOI: 10.1109/LEOS.2009.5343134
S. Gunapala, J.K. Liu, J. Mumolo, D. Ting, C. Hill, J. Nguyen
There are many applications that require mid-wavelength infrared (MWIR) and long-wavelength infrared (LWIR) dual-band focal plane arrays (FPAs). For example, a dual-band FPA camera would provide the accurate temperature of a target with unknown emissivity which is extremely important to the process of identifying objects based on their surface temperature. Dual-band infrared FPAs can also play many important roles in Earth and planetary remote sensing, astronomy, etc.
{"title":"Demonstration of megapixel dual-band QWIP focal plane array","authors":"S. Gunapala, J.K. Liu, J. Mumolo, D. Ting, C. Hill, J. Nguyen","doi":"10.1109/LEOS.2009.5343134","DOIUrl":"https://doi.org/10.1109/LEOS.2009.5343134","url":null,"abstract":"There are many applications that require mid-wavelength infrared (MWIR) and long-wavelength infrared (LWIR) dual-band focal plane arrays (FPAs). For example, a dual-band FPA camera would provide the accurate temperature of a target with unknown emissivity which is extremely important to the process of identifying objects based on their surface temperature. Dual-band infrared FPAs can also play many important roles in Earth and planetary remote sensing, astronomy, etc.","PeriodicalId":269220,"journal":{"name":"2009 IEEE LEOS Annual Meeting Conference Proceedings","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126109792","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}
Pub Date : 2009-12-01DOI: 10.1109/LEOS.2009.5343313
R. Killey, P. Watts, Y. Benlachtar, R. Waegemans, R. Bouziane, R. Thiruneelakandan, Peter Milder, D. Rangaraj, A. Cartolano, R. Koutsoyannis, J. Hoe, M. Puschel, M. Glick, P. Bayvel
We describe an optical transmitter, based on field programmable gate arrays, carrying out real-time DSP at 21.4 GSa/s. We implemented electronic predistortion at 10.7 Gb/s, and 8.35 Gb/s optical orthogonal frequency division multiplexed (OFDM) signal generation.
{"title":"FPGA-based optical transmitters for electronic predistortion and advanced signal format generation","authors":"R. Killey, P. Watts, Y. Benlachtar, R. Waegemans, R. Bouziane, R. Thiruneelakandan, Peter Milder, D. Rangaraj, A. Cartolano, R. Koutsoyannis, J. Hoe, M. Puschel, M. Glick, P. Bayvel","doi":"10.1109/LEOS.2009.5343313","DOIUrl":"https://doi.org/10.1109/LEOS.2009.5343313","url":null,"abstract":"We describe an optical transmitter, based on field programmable gate arrays, carrying out real-time DSP at 21.4 GSa/s. We implemented electronic predistortion at 10.7 Gb/s, and 8.35 Gb/s optical orthogonal frequency division multiplexed (OFDM) signal generation.","PeriodicalId":269220,"journal":{"name":"2009 IEEE LEOS Annual Meeting Conference Proceedings","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125797154","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}
Pub Date : 2009-12-01DOI: 10.1109/LEOS.2009.5343395
A. Bauer, F. Langer, S. Hofling, A. Forchel, M. Motyka, G. Sȩk, K. Ryczko, J. Misiewicz
GaSb-based type-II quantum well structures and interband cascade lasers with varying thicknesses of the optically active quantum wells are investigated. Obtained results provide the means for reliable and precise control of the resulting emission wavelength.
{"title":"Emission wavelength tuning in interband cascade laser devices in the 3–4 µm wavelength range","authors":"A. Bauer, F. Langer, S. Hofling, A. Forchel, M. Motyka, G. Sȩk, K. Ryczko, J. Misiewicz","doi":"10.1109/LEOS.2009.5343395","DOIUrl":"https://doi.org/10.1109/LEOS.2009.5343395","url":null,"abstract":"GaSb-based type-II quantum well structures and interband cascade lasers with varying thicknesses of the optically active quantum wells are investigated. Obtained results provide the means for reliable and precise control of the resulting emission wavelength.","PeriodicalId":269220,"journal":{"name":"2009 IEEE LEOS Annual Meeting Conference Proceedings","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129283866","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}
Pub Date : 2009-12-01DOI: 10.1109/LEOS.2009.5343238
C. Barty
Development and optimization at the Lawrence Livermore National Laboratory of ultrabright, laser-based MEGa-ray sources for isotope-specific detection, assay and imaging of materials will be reviewed.
{"title":"Development and applications of laser-based mono-energetic gamma-rays (MEGa-rays)","authors":"C. Barty","doi":"10.1109/LEOS.2009.5343238","DOIUrl":"https://doi.org/10.1109/LEOS.2009.5343238","url":null,"abstract":"Development and optimization at the Lawrence Livermore National Laboratory of ultrabright, laser-based MEGa-ray sources for isotope-specific detection, assay and imaging of materials will be reviewed.","PeriodicalId":269220,"journal":{"name":"2009 IEEE LEOS Annual Meeting Conference Proceedings","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129543801","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}
Pub Date : 2009-12-01DOI: 10.1109/LEOS.2009.5343425
C. Porzi, M. Scaffardi, L. Potí, A. Bogoni
An all-optical XOR gate with no assist probe signal and single input/output wavelength operation is demonstrated at 10 Gb/s exploiting nonlinear effects in a single semiconductor optical amplifier. Error-free performance is reported.
{"title":"All-Optical XOR gate by means of a single semiconductor optical amplifier without assist probe light","authors":"C. Porzi, M. Scaffardi, L. Potí, A. Bogoni","doi":"10.1109/LEOS.2009.5343425","DOIUrl":"https://doi.org/10.1109/LEOS.2009.5343425","url":null,"abstract":"An all-optical XOR gate with no assist probe signal and single input/output wavelength operation is demonstrated at 10 Gb/s exploiting nonlinear effects in a single semiconductor optical amplifier. Error-free performance is reported.","PeriodicalId":269220,"journal":{"name":"2009 IEEE LEOS Annual Meeting Conference Proceedings","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2009-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127286397","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}
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