Pub Date : 2007-06-24DOI: 10.1109/COINACOFT.2007.4519092
Sang-Mook Lee, Changhee Lee
A bidirectional long-reach 64-channel DWDM-PON with 50 GHz channel spacing based on wavelength-locked Fabry-Perot laser diodes is demonstrated. It consolidates a metro network into an access network by bypassing the central offices within its reach.
{"title":"Long-Reach Wavelength Division Multiplexing-Passive Optical Networks (WDM-PONs)","authors":"Sang-Mook Lee, Changhee Lee","doi":"10.1109/COINACOFT.2007.4519092","DOIUrl":"https://doi.org/10.1109/COINACOFT.2007.4519092","url":null,"abstract":"A bidirectional long-reach 64-channel DWDM-PON with 50 GHz channel spacing based on wavelength-locked Fabry-Perot laser diodes is demonstrated. It consolidates a metro network into an access network by bypassing the central offices within its reach.","PeriodicalId":57196,"journal":{"name":"光通信研究","volume":"10 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2007-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76385349","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 : 2007-06-24DOI: 10.1109/COINACOFT.2007.4519206
A. Argyros, J. Pla
Hollow-core kagome lattice fibres made from polymer are demonstrated for the first time. Simulations of the fibre showed that it does not support photonic bandgaps so an alternative guidance mechanism is proposed.
{"title":"Hollow-core kagome lattice polymer optical fibres","authors":"A. Argyros, J. Pla","doi":"10.1109/COINACOFT.2007.4519206","DOIUrl":"https://doi.org/10.1109/COINACOFT.2007.4519206","url":null,"abstract":"Hollow-core kagome lattice fibres made from polymer are demonstrated for the first time. Simulations of the fibre showed that it does not support photonic bandgaps so an alternative guidance mechanism is proposed.","PeriodicalId":57196,"journal":{"name":"光通信研究","volume":"35 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2007-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81574052","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 : 2007-06-24DOI: 10.1109/COINACOFT.2007.4519141
M. Attygalle, C. A. Chan, T. Nirmalathas
This paper presents analysis on optimum drive amplitudes and wavelength stability in a novel scheme for dual baseband generation using a single laser and a modulator considering receiver sensitivity and error floors arising due to optical filtering.
{"title":"Optimisation of Drive Amplitude and Stability Analysis for Dual Baseband Channel Generation using a Single Laser and Modulator","authors":"M. Attygalle, C. A. Chan, T. Nirmalathas","doi":"10.1109/COINACOFT.2007.4519141","DOIUrl":"https://doi.org/10.1109/COINACOFT.2007.4519141","url":null,"abstract":"This paper presents analysis on optimum drive amplitudes and wavelength stability in a novel scheme for dual baseband generation using a single laser and a modulator considering receiver sensitivity and error floors arising due to optical filtering.","PeriodicalId":57196,"journal":{"name":"光通信研究","volume":"24 10 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2007-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83501773","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 : 2007-06-24DOI: 10.1109/COINACOFT.2007.4519163
D. Choi, S. Madden, A. Rode, Rongping Wang, B. Luther-Davies
We have developed an effective fabrication process for As2S3 waveguides. A bottom anti-reflection coating provides a suitable layer to protect the As2S3 film from attack by the alkaline developer whilst CHF3 plasma enables the patterning of waveguides with vertical-profile and smooth sidewalls.
{"title":"Fabrication Process Development for As2S3 Planar Waveguides using Standard Semiconductor Processing","authors":"D. Choi, S. Madden, A. Rode, Rongping Wang, B. Luther-Davies","doi":"10.1109/COINACOFT.2007.4519163","DOIUrl":"https://doi.org/10.1109/COINACOFT.2007.4519163","url":null,"abstract":"We have developed an effective fabrication process for As<sub>2</sub>S<sub>3</sub> waveguides. A bottom anti-reflection coating provides a suitable layer to protect the As<sub>2</sub>S<sub>3</sub> film from attack by the alkaline developer whilst CHF<sub>3</sub> plasma enables the patterning of waveguides with vertical-profile and smooth sidewalls.","PeriodicalId":57196,"journal":{"name":"光通信研究","volume":"12 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2007-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88444565","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 : 2007-06-24DOI: 10.1109/COINACOFT.2007.4519166
A. Nanda, D. Kitcher, S. Wade, R. Jones, G. Baxter, S. Collins
Localised strain measurements of a notched aluminum specimen, in which intensity reflection spectra from a chirped fibre Bragg grating (FBG) were processed using an integration method, were in agreement with a finite element method calculation.
{"title":"Intragrating strain sensing using a chirped FBG and an integration method","authors":"A. Nanda, D. Kitcher, S. Wade, R. Jones, G. Baxter, S. Collins","doi":"10.1109/COINACOFT.2007.4519166","DOIUrl":"https://doi.org/10.1109/COINACOFT.2007.4519166","url":null,"abstract":"Localised strain measurements of a notched aluminum specimen, in which intensity reflection spectra from a chirped fibre Bragg grating (FBG) were processed using an integration method, were in agreement with a finite element method calculation.","PeriodicalId":57196,"journal":{"name":"光通信研究","volume":"20 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2007-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88833350","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 : 2007-06-24DOI: 10.1109/COINACOFT.2007.4519190
C. Martelli, J. Canning
Large core Fresnel fibres with self-imaged omnidirectional zone cross-sections are proposed. Numerical calculations results show the transmission bandgap widens and confinement loss decreases with increasing orders of self- imaging.
{"title":"Self-Imaged Omnidirectional Fresnel Fibres","authors":"C. Martelli, J. Canning","doi":"10.1109/COINACOFT.2007.4519190","DOIUrl":"https://doi.org/10.1109/COINACOFT.2007.4519190","url":null,"abstract":"Large core Fresnel fibres with self-imaged omnidirectional zone cross-sections are proposed. Numerical calculations results show the transmission bandgap widens and confinement loss decreases with increasing orders of self- imaging.","PeriodicalId":57196,"journal":{"name":"光通信研究","volume":"73 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2007-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90393114","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 : 2007-06-24DOI: 10.1109/COINACOFT.2007.4519113
C. Poh, Seung-Ryeol Lee, Yong-Tak Lee, K. Alameh
A 1300nm electronically-tunable laser structure employing an Opto-VLSI processor and a semiconductor optical amplifier is demonstrated. Wavelength tuning is realized by reconfiguring the holographic diffraction grating of an Opto- VLSI processor, allowing specific wavelengths to lase through the semiconductor optical amplifier. A tuning range of 5.7 nm is experimentally demonstrated.
{"title":"Demonstration of Electronically-Tunable Laser Structure Employing a Semiconductor Optical Amplifier and an Opto-VLSI Processor","authors":"C. Poh, Seung-Ryeol Lee, Yong-Tak Lee, K. Alameh","doi":"10.1109/COINACOFT.2007.4519113","DOIUrl":"https://doi.org/10.1109/COINACOFT.2007.4519113","url":null,"abstract":"A 1300nm electronically-tunable laser structure employing an Opto-VLSI processor and a semiconductor optical amplifier is demonstrated. Wavelength tuning is realized by reconfiguring the holographic diffraction grating of an Opto- VLSI processor, allowing specific wavelengths to lase through the semiconductor optical amplifier. A tuning range of 5.7 nm is experimentally demonstrated.","PeriodicalId":57196,"journal":{"name":"光通信研究","volume":"76 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2007-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88968322","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 : 2007-06-24DOI: 10.1109/COINACOFT.2007.4519109
S. Law, S. Fleming, D. Mckenzie, N. Suchowerska, J. Lambert, Y. Yin
The intensity of Cerenkov radiation transmitted along a step index, a graded index and an air core polymer optical fiber are compared. It is demonstrated that air core fibers are free from background Cerenkov signal.
{"title":"Large Core Fibers for Short-Distance Communication in Radiation Fields","authors":"S. Law, S. Fleming, D. Mckenzie, N. Suchowerska, J. Lambert, Y. Yin","doi":"10.1109/COINACOFT.2007.4519109","DOIUrl":"https://doi.org/10.1109/COINACOFT.2007.4519109","url":null,"abstract":"The intensity of Cerenkov radiation transmitted along a step index, a graded index and an air core polymer optical fiber are compared. It is demonstrated that air core fibers are free from background Cerenkov signal.","PeriodicalId":57196,"journal":{"name":"光通信研究","volume":"19 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2007-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85039260","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 : 2007-06-24DOI: 10.1109/COINACOFT.2007.4519090
Y. T. Lee, K. Chang, Y. Song, K. Alameh
In this presentation, we propose novel techniques that improve the performance and the reliability of monolithically integrated VCSELs and RCEPDs , namely, (i) an approach based on forming a self-aligned microlens onto the top distributed Bragg reflectors (DBRs) of VCSEL elements without any additional lithography and (ii) a method that enables tuning the cavity mode of RCEPDs for wavelength alignment. In addition, we propose and demonstrate the proof-of-concept of a reconfigurable inter-chip optical interconnect structure employing Opto-VLSI processors. The performance of the structure is evaluated by measuring the output signals and eye diagrams for different point-to-point and point-to-multipoint optical interconnect scenarios.
{"title":"Alignment tolerant bi-directional optical interconnects using microlens integrated VCSEL/RCEPD arrays","authors":"Y. T. Lee, K. Chang, Y. Song, K. Alameh","doi":"10.1109/COINACOFT.2007.4519090","DOIUrl":"https://doi.org/10.1109/COINACOFT.2007.4519090","url":null,"abstract":"In this presentation, we propose novel techniques that improve the performance and the reliability of monolithically integrated VCSELs and RCEPDs , namely, (i) an approach based on forming a self-aligned microlens onto the top distributed Bragg reflectors (DBRs) of VCSEL elements without any additional lithography and (ii) a method that enables tuning the cavity mode of RCEPDs for wavelength alignment. In addition, we propose and demonstrate the proof-of-concept of a reconfigurable inter-chip optical interconnect structure employing Opto-VLSI processors. The performance of the structure is evaluated by measuring the output signals and eye diagrams for different point-to-point and point-to-multipoint optical interconnect scenarios.","PeriodicalId":57196,"journal":{"name":"光通信研究","volume":"7 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2007-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87679134","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 : 2007-06-24DOI: 10.1109/COINACOFT.2007.4519100
E. Schartner, Y. Ruan, P. Hoffmann, T. Monro
We demonstrate the detection of proteins utilizing fluorescent nanocrystals within an optical fibre. The protein concentration within an aqueous solution inside a soft glass microstructured optical fibre is measured using a new fluorescence capture sensing approach.
{"title":"An optical fibre protein sensor","authors":"E. Schartner, Y. Ruan, P. Hoffmann, T. Monro","doi":"10.1109/COINACOFT.2007.4519100","DOIUrl":"https://doi.org/10.1109/COINACOFT.2007.4519100","url":null,"abstract":"We demonstrate the detection of proteins utilizing fluorescent nanocrystals within an optical fibre. The protein concentration within an aqueous solution inside a soft glass microstructured optical fibre is measured using a new fluorescence capture sensing approach.","PeriodicalId":57196,"journal":{"name":"光通信研究","volume":"37 1","pages":"1-3"},"PeriodicalIF":0.0,"publicationDate":"2007-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85389549","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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