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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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Characterization of the electro-absorption modulator chirp using modulated-transmission spectroscopy 利用调制传输光谱表征电吸收调制器啁啾
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.2001.969163
In Kim, Sang-Dong Lee, Shigeki Cho, Eunhwa Lee, A. Choo, Taeil Kim
{"title":"Characterization of the electro-absorption modulator chirp using modulated-transmission spectroscopy","authors":"In Kim, Sang-Dong Lee, Shigeki Cho, Eunhwa Lee, A. Choo, Taeil Kim","doi":"10.1109/LEOS.2001.969163","DOIUrl":"https://doi.org/10.1109/LEOS.2001.969163","url":null,"abstract":"The electroabsorption modulator still shows large transient chirp and thus is hard to operate at higher bit rate without a high insertion loss. To overcome this obstacle, it is imperative to fully understand the chirp characteristics caused by Stark effect in the multiple quantum-well (MQW) structures. This work presents a simple experimental method of measuring MQW electro-absorption and the chirp parameter.","PeriodicalId":18008,"journal":{"name":"LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242)","volume":"2 1","pages":"42-43 vol.1"},"PeriodicalIF":0.0,"publicationDate":"2001-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74402693","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
Three-dimensional magneto-optic near-field mapping over 10-50 /spl mu/m-scale line and space circuit patterns 10-50 /spl亩/米比例尺线和空间电路图形三维磁光近场制图
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.2001.969303
E. Yamazaki, S. Wakana, M. Kishi, M. Iwanami, S. Hoshino, A. Tsuchiya
{"title":"Three-dimensional magneto-optic near-field mapping over 10-50 /spl mu/m-scale line and space circuit patterns","authors":"E. Yamazaki, S. Wakana, M. Kishi, M. Iwanami, S. Hoshino, A. Tsuchiya","doi":"10.1109/LEOS.2001.969303","DOIUrl":"https://doi.org/10.1109/LEOS.2001.969303","url":null,"abstract":"We report on the first fine x-z mapping experiment of magnetic near-field distribution over fine circuit patterns. Required three-dimensional (3D) spatial resolution was brought about by utilizing the fiber-edged magneto-optic (FEMO) probe structure. The 3D mapping technique of electromagnetic fields provides more information about finer variations in the vertical (z) direction in cases of finer circuits. The electro-optic/magneto-optic (EO/MO) probing techniques are promising toward this purpose since one can take its attractive natures such as wide-bandwidth, high-sensitivity, low invasiveness, and relatively high-spatial-resolution.","PeriodicalId":18008,"journal":{"name":"LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242)","volume":"17 1","pages":"318-319 vol.1"},"PeriodicalIF":0.0,"publicationDate":"2001-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78448281","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: 6
Residual phase-noise measurements of actively mode-locked fiber and semiconductor lasers 主动锁模光纤和半导体激光器的剩余相位噪声测量
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.2001.969200
J. J. Hargreaves, P. Juodawlkis, J. Plant, J. Donnelly, J. Twichell, F. Rana, Rajeev J Ram
{"title":"Residual phase-noise measurements of actively mode-locked fiber and semiconductor lasers","authors":"J. J. Hargreaves, P. Juodawlkis, J. Plant, J. Donnelly, J. Twichell, F. Rana, Rajeev J Ram","doi":"10.1109/LEOS.2001.969200","DOIUrl":"https://doi.org/10.1109/LEOS.2001.969200","url":null,"abstract":"We report residual phase-noise measurements of both actively mode-locked fiber and semiconductor lasers using sinusoidal mode-locking frequencies between 500 MHz and 5 GHz. The fiber laser is a polarization maintaining erbium-doped fiber ring laser that is harmonically mode-locked using a sinusoidal drive signal. The mode-locked semiconductor laser uses an external cavity configuration.","PeriodicalId":18008,"journal":{"name":"LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242)","volume":"212 1","pages":"115-116 vol.1"},"PeriodicalIF":0.0,"publicationDate":"2001-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77437939","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: 7
Photoresponses of metamorphic double heterojunction photodiodes under high power optical illumination 高功率光照射下双异质结变相光电二极管的光响应
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.2001.969336
J. Jang, G. Cueva, I. Adesida, P. Fay, W. Hoke, P.J. Lemonias
{"title":"Photoresponses of metamorphic double heterojunction photodiodes under high power optical illumination","authors":"J. Jang, G. Cueva, I. Adesida, P. Fay, W. Hoke, P.J. Lemonias","doi":"10.1109/LEOS.2001.969336","DOIUrl":"https://doi.org/10.1109/LEOS.2001.969336","url":null,"abstract":"Our previous study on double heterojunction InGaAs/InGaAlAs/InAlAs metamorphic photodiodes has shown photodiodes with dark currents as low as 500 pA, responsivity of 0.6 A/W, and bandwidths up to 38 GHz. In this paper, we report our results on the high power handling capability of metamorphic photodiodes under high power optical illumination up to 10 dBm. In ultra-high speed optical fiber communication systems operating at 40 Gbit/s or beyond, the photodiodes that can handle high optical input power are needed because an EDFA (erbium doped fiber amplifier) is often placed in front of the photoreceiver. It is imperative to study the frequency response of the metamorphic photodiodes under high power optical illumination to prove that these photodiodes based on metamorphic technology can be a strong candidate for high speed optical fiber communications.","PeriodicalId":18008,"journal":{"name":"LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242)","volume":"105 1","pages":"384-385 vol.1"},"PeriodicalIF":0.0,"publicationDate":"2001-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77679661","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
Very wide temperature (-20-95/spl deg/C) operation of an uncooled 2.5 Gbit/s 1300 nm DFB laser 非常宽的温度(-20-95/spl度/C)工作的非冷却2.5 Gbit/s 1300 nm DFB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.2001.969055
M. Silver, W. Booij, S. Malik, A. Galbraith, S. Uppal, P. F. Mcbrien, G. Berry, P. Ryder, S. Chandler, D. M. Atkin, R. Harding, R. Ash
{"title":"Very wide temperature (-20-95/spl deg/C) operation of an uncooled 2.5 Gbit/s 1300 nm DFB laser","authors":"M. Silver, W. Booij, S. Malik, A. Galbraith, S. Uppal, P. F. Mcbrien, G. Berry, P. Ryder, S. Chandler, D. M. Atkin, R. Harding, R. Ash","doi":"10.1109/LEOS.2001.969055","DOIUrl":"https://doi.org/10.1109/LEOS.2001.969055","url":null,"abstract":"We have developed a 1300 nm InGaAsP MQW DFB laser which, due to its high temperature and speed performance, enables small-form-factor transceiver modules to operate at 2.5Gbit/s, uncooled, in a wide temperature range from -20 to 85 C.","PeriodicalId":18008,"journal":{"name":"LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242)","volume":"18 1","pages":"796-797 vol.2"},"PeriodicalIF":0.0,"publicationDate":"2001-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77691409","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
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
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