CLEO '97., Summaries of Papers Presented at the Conference on Lasers and Electro-Optics最新文献

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High-speed Spectroholographic Parallel Digital Optical Memory 高速光谱全息并行数字光存储器
X. Shen, A. Nguyen, J. Perry, D. Huestis, R. Kachru
{"title":"High-speed Spectroholographic Parallel Digital Optical Memory","authors":"X. Shen, A. Nguyen, J. Perry, D. Huestis, R. Kachru","doi":"10.1109/CLEO.1997.602196","DOIUrl":"https://doi.org/10.1109/CLEO.1997.602196","url":null,"abstract":"Page-oriented optical memories have shown promising potential for fast data transfer rate and short data access time. Parallel optical storage and retrieval has been performed in photorefractive and persistent spectral hole burning materials.1,2","PeriodicalId":173652,"journal":{"name":"CLEO '97., Summaries of Papers Presented at the Conference on Lasers and Electro-Optics","volume":"113 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124175034","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
An Eight-channel Multiple-wavelength Source For Wavelength-division Multiplexed Access Systems Based On Spectral Slicing And Delay-line Multiplexing 基于频谱切片和延迟线复用的8通道波分复用源
K. Liou, J. Stark, U. Koren, E. Burrows, J. Zyskind, K. Dreyer
{"title":"An Eight-channel Multiple-wavelength Source For Wavelength-division Multiplexed Access Systems Based On Spectral Slicing And Delay-line Multiplexing","authors":"K. Liou, J. Stark, U. Koren, E. Burrows, J. Zyskind, K. Dreyer","doi":"10.1109/CLEO.1997.602192","DOIUrl":"https://doi.org/10.1109/CLEO.1997.602192","url":null,"abstract":"","PeriodicalId":173652,"journal":{"name":"CLEO '97., Summaries of Papers Presented at the Conference on Lasers and Electro-Optics","volume":"344 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123401520","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
Gain spectroscopy in lnGaN/GaN quantum well diodes lnGaN/GaN量子阱二极管的增益光谱
M. Kuball, E. Jeon, Y. Song, A. Nurmikko, P. Kozody, A. Abare, S. Keller, L. Coldren, U. Mishra, S. Denbaars, D. Steigerwald
{"title":"Gain spectroscopy in lnGaN/GaN quantum well diodes","authors":"M. Kuball, E. Jeon, Y. Song, A. Nurmikko, P. Kozody, A. Abare, S. Keller, L. Coldren, U. Mishra, S. Denbaars, D. Steigerwald","doi":"10.1109/CLEO.1997.603234","DOIUrl":"https://doi.org/10.1109/CLEO.1997.603234","url":null,"abstract":"Given the recent demonstration of a blue InGaN QW diode laser,1 one key question concerns the physical nature of optical gain in this system, given the rather high threshold current density required for lasing and the recognized presence of a complex crystalline microstructure in the material.","PeriodicalId":173652,"journal":{"name":"CLEO '97., Summaries of Papers Presented at the Conference on Lasers and Electro-Optics","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123511991","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
Injection seeding of a Ti:sapphire laser using a ramp-hold-fire technique 斜坡保持点火技术在Ti:蓝宝石激光器中的注入播种
M. Larsen, E. Thomas, T. Walther, E. Fry
{"title":"Injection seeding of a Ti:sapphire laser using a ramp-hold-fire technique","authors":"M. Larsen, E. Thomas, T. Walther, E. Fry","doi":"10.1109/CLEO.1997.603269","DOIUrl":"https://doi.org/10.1109/CLEO.1997.603269","url":null,"abstract":"The capability of neodymium doped glass to store a high level of energy depends on the concentration of ions, which can be as high as 4-8 10,' ions/cm3. However it is known that dipole-dipole interaction between neighbors ions Nd3+ rise with population, implying a decrease of the lifetime emission of the lasing excited state 4F,iz.1 This increased spontaneous emission becomes an important mechanism loss when using a pumping with duration comparable to the lifetime. Furthermore high densities of inversion are associated to an additional loss mechanism that corresponds to the interaction between two neighboring excited 4F,i, ions. In this process, one ion is further excited to a higher level, while the other returns to the ground ~ t a t e . ~ , ~ Although the highly excited state can relax to 4F3,2 via nonradiative process, this Auger upconversion mechanism limits the energy storage capability of the media and should be taken into account when using laser or diode pumping. This is the motivation of this study. Basically, this loss depends quadratically on the population N,(4F3,,) and appears in the usual rates equations as a -yNf term. After the initial buildup of the excited state population NI, its relaxation follows the law:","PeriodicalId":173652,"journal":{"name":"CLEO '97., Summaries of Papers Presented at the Conference on Lasers and Electro-Optics","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123616029","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
Resonator design considerations for high-power TEM/sub 00/ operation of a Nd:YAG laser at 1.3 /spl mu/m end pumped by a diode bar 二极管棒泵浦的1.3 /spl mu/m端Nd:YAG激光器的高功率TEM/sub /工作谐振腔设计考虑
M. Kern, W. Clarkson, D. Hanna
{"title":"Resonator design considerations for high-power TEM/sub 00/ operation of a Nd:YAG laser at 1.3 /spl mu/m end pumped by a diode bar","authors":"M. Kern, W. Clarkson, D. Hanna","doi":"10.1109/CLEO.1997.603470","DOIUrl":"https://doi.org/10.1109/CLEO.1997.603470","url":null,"abstract":"Using a novel resonator approach which reduces the beam distortion resulting from strong thermally-induced aberrations, we have obtained ~3.2W of TEM00 output at 1.3µm from a Nd:YAG laser end-pumped by a 20W diode-bar.","PeriodicalId":173652,"journal":{"name":"CLEO '97., Summaries of Papers Presented at the Conference on Lasers and Electro-Optics","volume":"2020 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114538075","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
Addressable Iasing pixel for large screen display 用于大屏幕显示的可寻址定位像素
S. Vartak, J. Firehammer, N. Lawandy
{"title":"Addressable Iasing pixel for large screen display","authors":"S. Vartak, J. Firehammer, N. Lawandy","doi":"10.1109/CLEO.1997.602234","DOIUrl":"https://doi.org/10.1109/CLEO.1997.602234","url":null,"abstract":"The high intensity and narrow linewidth of laser light make it more suitable for large screen projection displays than current methods using phosphor pixels, which are limited by brightness, reduced color palette, and chromatic aberration.","PeriodicalId":173652,"journal":{"name":"CLEO '97., Summaries of Papers Presented at the Conference on Lasers and Electro-Optics","volume":"128 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116194964","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
Comparison of light sources for use in a retinal scanning display 用于视网膜扫描显示器的光源比较
G. D. de Wit, J. Braat
{"title":"Comparison of light sources for use in a retinal scanning display","authors":"G. D. de Wit, J. Braat","doi":"10.1109/CLEO.1997.602424","DOIUrl":"https://doi.org/10.1109/CLEO.1997.602424","url":null,"abstract":"(TPD/AIQ,) (0.6%). Also for blue-emitting device with DPVBi as an emission layer, b-DPQX works as electron transporter and the efficiency was enhanced up to 0.35% from the value of 0.2% when AIQ, was used as an electron transport layer. When 0.5 wt. % of quinacridone (3) was doped in the AIQ, layer of a two-layer device with bis(di-tolylaminopheny1)cyclohexane (TAPC) as a hole transporter, its external effciency was enhanced to 2.0% from 0.8% of an undoped AlQ, device. Maximum luminance was up to 10,000 cdlm' without cooling. We also synthesized a new soluble quinacridone derivative showing strong fluorescence in solution. Its LED properties as a dopant will be discussed. In conclusion, we developed a quinoxaline derivative with good performance as an electron transporter in blue and green organic LED devices. These compounds may yield higher performance by optimizing their combination with emission layer. This work was supported by ONR through the MVRI Center CAMP. 1. N. Tessler, G. J. Denton, R. H. Friend, Nature 382,695 (1996). 2. F. Hide, M. A. Diaz-Garcia, B. J. Schwartz, M. R. Anderson, Q. Pei, A. Heeger, Science 273, 1833 (1996). S. Saito, T. Tsutsui, M. Era, N. Takada, C. Adachi, Y. Hamada, T. Wakimoto, Proc. SPIE 1910,212 (1993). T. Yamamoto, T. Inoue, T. Kanbara, Jpn. J. Appl. Phys. pt. 2,33, L250 (1994). 3.","PeriodicalId":173652,"journal":{"name":"CLEO '97., Summaries of Papers Presented at the Conference on Lasers and Electro-Optics","volume":"398 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116330859","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
MOCVD growth and fabrication of group-Ill nitrides for high-efficiency MQW LEDs 高效MQW led中基氮化物的MOCVD生长与制备
S. Denbaars, P. Kozodoy, A. Abare, M. Mack, S. Keller, U. Mishra, L. Coldren
{"title":"MOCVD growth and fabrication of group-Ill nitrides for high-efficiency MQW LEDs","authors":"S. Denbaars, P. Kozodoy, A. Abare, M. Mack, S. Keller, U. Mishra, L. Coldren","doi":"10.1109/CLEO.1997.602319","DOIUrl":"https://doi.org/10.1109/CLEO.1997.602319","url":null,"abstract":"bandgap energy of the electroluminescence peak and anomalous temperature shift) we developed a model in which we assume that the radiative transitions involve Gaussian-like tails of conduction and valence bands. The model can account for temperature dependence of light intensity and emission peak position, and for temperature insensitivity of emission bandwidth. The emission peak position can be expressed in this approach as:","PeriodicalId":173652,"journal":{"name":"CLEO '97., Summaries of Papers Presented at the Conference on Lasers and Electro-Optics","volume":"461 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116501058","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
Analysis of current self-distribution induced by self-focusing filamentation in laser diode 激光二极管自聚焦灯丝诱导电流自分布的分析
P. Eliseev, A. Glebov, M. Osiński
{"title":"Analysis of current self-distribution induced by self-focusing filamentation in laser diode","authors":"P. Eliseev, A. Glebov, M. Osiński","doi":"10.1109/CLEO.1997.603066","DOIUrl":"https://doi.org/10.1109/CLEO.1997.603066","url":null,"abstract":"We investigate the squeezing potential of several 1.55 pm DFB lasers with different structures and parameters. Figure 2 presents the intensity fluctuations measurements of a 1.55 pm compressively strained MQW DFB laser with cleaved facets at room temperature under noise suppressed and shot-noiselimited current injection. The laser fluctuations in both cases exceed the shot-noise limit, but a decrease of 0.7 dB in the noise level is observed under quiet pumping conditions. The excess noise that degrades the squeezing is also examined and it appears that the source of most of this noise is associated with the presence of weak longitudinal side modes resulting from a low K~ value.","PeriodicalId":173652,"journal":{"name":"CLEO '97., Summaries of Papers Presented at the Conference on Lasers and Electro-Optics","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121496913","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
Light scattering in free standing semiconductor slab waveguides exhibiting 2D photonic band structure 具有二维光子带结构的独立半导体平板波导中的光散射
P. Paddon, M. Kanskar, V. Pacradouni, A. Busch, J. Young
{"title":"Light scattering in free standing semiconductor slab waveguides exhibiting 2D photonic band structure","authors":"P. Paddon, M. Kanskar, V. Pacradouni, A. Busch, J. Young","doi":"10.1109/CLEO.1997.603546","DOIUrl":"https://doi.org/10.1109/CLEO.1997.603546","url":null,"abstract":"We have textured free-standing semiconductor slab waveguides with a 2D square lattice of through-holes.","PeriodicalId":173652,"journal":{"name":"CLEO '97., Summaries of Papers Presented at the Conference on Lasers and Electro-Optics","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121784917","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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