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LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242)最新文献

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Tunable buried ridge stripe sampled grating distributed Bragg reflector lasers utilizing quantum well intermixing 利用量子阱混合的可调谐埋脊条纹采样光栅分布布拉格反射器激光器
LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242) Pub Date : 2001-11-12 DOI: 10.1109/LEOS.2001.969226
E. Skogen, J. Barton, S. Denbaars, L. Coldren
{"title":"Tunable buried ridge stripe sampled grating distributed Bragg reflector lasers utilizing quantum well intermixing","authors":"E. Skogen, J. Barton, S. Denbaars, L. Coldren","doi":"10.1109/LEOS.2001.969226","DOIUrl":"https://doi.org/10.1109/LEOS.2001.969226","url":null,"abstract":"We apply quantum well intermixing (QWI) to the sampled grating distributed Bragg reflector (SGDBR) laser to demonstrate tuning by current injection in the QWI material and to improve device design. Specifically, by utilizing a centered quantum well active region the mode overlap with the quantum wells is increased by a factor of 1.5 over the offset quantum well case, where the quantum wells are positioned above the waveguide. In this way the modal gain is increased, improving the characteristics of the laser. In order to create a non-absorbing waveguide, QWI has been applied to the back and front mirror to blue shift the quantum well band edge.","PeriodicalId":18008,"journal":{"name":"LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242)","volume":"9 1","pages":"169-170 vol.1"},"PeriodicalIF":0.0,"publicationDate":"2001-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79917739","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
Wavelength-interleaving technique to improve optical spectral efficiency in millimeter-wave WDM fiber-radio 提高毫米波波分复用光纤无线电频谱效率的波长交织技术
LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242) Pub Date : 2001-11-12 DOI: 10.1109/LEOS.2001.969169
C. Lim, A. Nirmalathas, D. Novak, R. Tucker, R. Waterhouse
{"title":"Wavelength-interleaving technique to improve optical spectral efficiency in millimeter-wave WDM fiber-radio","authors":"C. Lim, A. Nirmalathas, D. Novak, R. Tucker, R. Waterhouse","doi":"10.1109/LEOS.2001.969169","DOIUrl":"https://doi.org/10.1109/LEOS.2001.969169","url":null,"abstract":"In this paper we present a novel wavelength-interleaving scheme to increase the optical spectral efficiency in mm-wave WDM fiber-radio systems and demonstrate the feasibility of the proposed scheme via experiment and simulation. The technique employs wavelength interleaving in conjunction with OSSB+C modulation. A wavelength-interleaved optical add-drop multiplexer using fiber gratings and an optical circulator was realized to implement the technique, the feasibility of which was demonstrated via three interleaved WDM channels each transporting a 155 Mb/s BPSK signal at 36 GHz over a 20 km fiber link. Capacity analysis shows that the wavelength-interleaving technique increases the maximum number of channels by almost 75% after taking into account overall system performance and device limitation.","PeriodicalId":18008,"journal":{"name":"LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242)","volume":"116 1","pages":"54-55 vol.1"},"PeriodicalIF":0.0,"publicationDate":"2001-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80277265","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: 9
1.5 /spl mu/m wavelength GaInAsP/InP 5-layered quantum-wire lasers fabricated by CH/sub 4//H/sub 2/ dry etching and regrowth 采用CH/sub /H/sub / 2/干刻蚀和再生制备1.5 /spl μ m波长GaInAsP/InP 5层量子线激光器
LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242) Pub Date : 2001-11-12 DOI: 10.1109/LEOS.2001.968845
Hideki Midorikawa, K. Muranushi, N. Nunoya, T. Sano, S. Tamura, S. Arai
{"title":"1.5 /spl mu/m wavelength GaInAsP/InP 5-layered quantum-wire lasers fabricated by CH/sub 4//H/sub 2/ dry etching and regrowth","authors":"Hideki Midorikawa, K. Muranushi, N. Nunoya, T. Sano, S. Tamura, S. Arai","doi":"10.1109/LEOS.2001.968845","DOIUrl":"https://doi.org/10.1109/LEOS.2001.968845","url":null,"abstract":"We report on the lasing properties of SC 5-layered Q-wire lasers with wire width of 23 nm. The spontaneous emission efficiency below the threshold was almost comparable to that of the Q-film lasers up to 85 C, that revealed low-damage property of the etched/regrown interfaces.","PeriodicalId":18008,"journal":{"name":"LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242)","volume":"2 1","pages":"407-408 vol.2"},"PeriodicalIF":0.0,"publicationDate":"2001-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79438256","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
Wideband RF chirp generation using three-section strongly gain-coupled DFB lasers 利用三段强增益耦合DFB激光器产生宽带射频啁啾
LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242) Pub Date : 2001-11-12 DOI: 10.1109/LEOS.2001.969298
R. Hui, S. Taherion, P. Gogineni, C. Allen, D. Adams
{"title":"Wideband RF chirp generation using three-section strongly gain-coupled DFB lasers","authors":"R. Hui, S. Taherion, P. Gogineni, C. Allen, D. Adams","doi":"10.1109/LEOS.2001.969298","DOIUrl":"https://doi.org/10.1109/LEOS.2001.969298","url":null,"abstract":"We have demonstrated a miniature microwave chirp generator using a three-section dual-wavelength DFB laser. Because the saturable absorption section, which performs high-speed photo detection, is made on the same chip, no external optical coupling is necessary. The entire structure is integrated and self-consistent, it will find applications in future wireless and space-borne communications.","PeriodicalId":18008,"journal":{"name":"LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242)","volume":"20 1","pages":"308-309 vol.1"},"PeriodicalIF":0.0,"publicationDate":"2001-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81797756","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
Impact of the modulation depth on self-homodyne optical single sideband systems 调制深度对自差光单边带系统的影响
LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242) Pub Date : 2001-11-12 DOI: 10.1109/LEOS.2001.968994
T. Maia, R. Ribeiro, P. Monteiro
{"title":"Impact of the modulation depth on self-homodyne optical single sideband systems","authors":"T. Maia, R. Ribeiro, P. Monteiro","doi":"10.1109/LEOS.2001.968994","DOIUrl":"https://doi.org/10.1109/LEOS.2001.968994","url":null,"abstract":"Simulation experiments are used to assess the feasibility of optical SSB systems using self-homodyne detection. The experiments revealed that the electrical waveforms of the drive signals, required by the transmitter modulators, play a critical role on the system performance. Particularly important is the modulation depth. The present study recommends a modulation depth of 0.2 in order to obtain the best performance. The tap delay used in the discrete approximation of the Hilbert filter was also optimized, resulting in a value of 37.5 ps.","PeriodicalId":18008,"journal":{"name":"LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242)","volume":"17 1","pages":"675-676 vol.2"},"PeriodicalIF":0.0,"publicationDate":"2001-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81904543","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
Single-shot interferometric correlator for ultrashort laser pulses based on nonlinear absorption in a silicon CCD 基于硅CCD非线性吸收的超短激光脉冲单射干涉相关器
LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242) Pub Date : 2001-11-12 DOI: 10.1109/LEOS.2001.969084
D. Panasenko, Y. Fainman
{"title":"Single-shot interferometric correlator for ultrashort laser pulses based on nonlinear absorption in a silicon CCD","authors":"D. Panasenko, Y. Fainman","doi":"10.1109/LEOS.2001.969084","DOIUrl":"https://doi.org/10.1109/LEOS.2001.969084","url":null,"abstract":"We present an experimental setup capable of performing single-shot interferometric correlation of infrared femtosecond pulses using two-photon conductivity in a standard silicon CCD. We demonstrate the operation of the apparatus using 100 fsec pulses from the optical parametric amplifier (OPA) operating at 1.4 /spl mu/m.","PeriodicalId":18008,"journal":{"name":"LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242)","volume":"17 1","pages":"853-854 vol.2"},"PeriodicalIF":0.0,"publicationDate":"2001-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84218251","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
Spatially resolved detection for enhancement of multimode-fiber-link performance 提高多模光纤链路性能的空间分辨检测
LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242) Pub Date : 2001-11-12 DOI: 10.1109/LEOS.2001.968883
K. M. Patel, S. E. Ralph
{"title":"Spatially resolved detection for enhancement of multimode-fiber-link performance","authors":"K. M. Patel, S. E. Ralph","doi":"10.1109/LEOS.2001.968883","DOIUrl":"https://doi.org/10.1109/LEOS.2001.968883","url":null,"abstract":"We have developed a detection technique to reduce the effect of DMD without sacrificing the advantages, such as alignment tolerance and ease of manufacturing, related to the use of multimode fiber. Our method is a simple implementation of spatially resolved equalization (SRE) that doubles the bandwidth of MMF links. Using an overfilled launch condition, we exploit the spatial diversity of the optical signal emitted from the MMF. We use a SRE detector, an InGaAs metal-semiconductor-metal (MSM) device placed 400 /spl mu/m from the fiber end.","PeriodicalId":18008,"journal":{"name":"LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242)","volume":"16 1","pages":"483-484 vol.2"},"PeriodicalIF":0.0,"publicationDate":"2001-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84903411","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: 3
Time meets frequency: phase stabilization of ultrafast pulses and optical frequency metrology with modelocked lasers 时间满足频率:超快脉冲的相位稳定和锁模激光器的光学频率测量
LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242) Pub Date : 2001-11-12 DOI: 10.1109/LEOS.2001.969109
S. Cundiff, Jun Ye, J. L. Hall
{"title":"Time meets frequency: phase stabilization of ultrafast pulses and optical frequency metrology with modelocked lasers","authors":"S. Cundiff, Jun Ye, J. L. Hall","doi":"10.1109/LEOS.2001.969109","DOIUrl":"https://doi.org/10.1109/LEOS.2001.969109","url":null,"abstract":"Recently there has been a remarkable convergence between ultrafast laser technology and precision optical frequency metrology, two fields that at first glance seem very disparate. This has led to a paradigm shift in optical frequency metrology by replacing complex frequency chains with a single modelocked laser. It has also enabled the first generation of optical clocks. It promises to have future impact on ultrafast physics, particularly extreme nonlinear optics and coherent control. The basic concepts for self-reference detection and stabilization of modelocked lasers are presented. Recent measurements using this technique are reviewed and the time domain implications demonstrated.","PeriodicalId":18008,"journal":{"name":"LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242)","volume":"2 1","pages":"903 vol.2-"},"PeriodicalIF":0.0,"publicationDate":"2001-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84906411","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
All optical clock recovery at line rates by narrowband modulation of a single mode laser diode 单模激光二极管窄带调制的全光时钟线率恢复
LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242) Pub Date : 2001-11-12 DOI: 10.1109/LEOS.2001.969187
Y. Wen, H. Liu, D. Novak, A. Nirmalathas
{"title":"All optical clock recovery at line rates by narrowband modulation of a single mode laser diode","authors":"Y. Wen, H. Liu, D. Novak, A. Nirmalathas","doi":"10.1109/LEOS.2001.969187","DOIUrl":"https://doi.org/10.1109/LEOS.2001.969187","url":null,"abstract":"Summary form only given. We propose and demonstrate all optical clock recovery at line rates by narrowband modulation of a single mode monolithic laser diode. This scheme does not require an intracavity saturable absorber, and the recovered clock signal exhibits a large locking range and large tolerance to variations in operating parameters.","PeriodicalId":18008,"journal":{"name":"LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242)","volume":"3 1","pages":"89-90 vol.1"},"PeriodicalIF":0.0,"publicationDate":"2001-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84925205","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
Emission from the defect level in alumina nanohole array photonic crystal with selective injection of functional polymer 选择性注入功能聚合物的氧化铝纳米孔阵列光子晶体缺陷能级发射
LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242) Pub Date : 2001-11-12 DOI: 10.1109/LEOS.2001.969214
A. Yokoo, M. Notomi, H. Suzuki, M. Nakao, T. Tamamura, H. Masuda
{"title":"Emission from the defect level in alumina nanohole array photonic crystal with selective injection of functional polymer","authors":"A. Yokoo, M. Notomi, H. Suzuki, M. Nakao, T. Tamamura, H. Masuda","doi":"10.1109/LEOS.2001.969214","DOIUrl":"https://doi.org/10.1109/LEOS.2001.969214","url":null,"abstract":"An alumina nanohole array is composed of highly ordered nanoholes with a high aspect ratio (Masuda et al, 1997). The array is considered to be two-dimensional (2D) photonic crystal, and a photonic band gap has been confirmed (Masuda et al, 1999 and 2000). Fabrication of point defects or line defects in an alumina nanohole array is an attractive approach to achieve a functional photonic crystal-like photonic band-gap laser. Selective injection of nanoholes with functional polymer enables us to obtain such point defects. In this paper, we demonstrate the fabrication of functional defects in an alumina nanohole array by selective polymer injection and emission from the defect level in the photonic band gap.","PeriodicalId":18008,"journal":{"name":"LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242)","volume":"1 1","pages":"145-146 vol.1"},"PeriodicalIF":0.0,"publicationDate":"2001-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85648771","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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