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Seventh Topical Meeting on Integrated and Guided-Wave Optics最新文献

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Initial Characterization of an Electrooptic Grating Multiplier 电光光栅倍增器的初始特性
Seventh Topical Meeting on Integrated and Guided-Wave Optics Pub Date : 1900-01-01 DOI: 10.1364/igwo.1984.wa3
C. Verber, R. Kenan, J. Busch
{"title":"Initial Characterization of an Electrooptic Grating Multiplier","authors":"C. Verber, R. Kenan, J. Busch","doi":"10.1364/igwo.1984.wa3","DOIUrl":"https://doi.org/10.1364/igwo.1984.wa3","url":null,"abstract":"We have suggested a variety of planar integrated optical matrix-vector and matrix-matrix(1) multipliers based upon the successive diffraction of an optical beam to produce an analog intensity which is proportional to the product of the two diffraction efficiencies. The active elements employed in these devices are pairs of cascaded electrooptic grating modulators. In particular the so-called \"herringbone\" configuration, in which two modulators share a common spine, is a particularly compact and self-aligned structure. We report the first data characterizing such a structure and show how, on the basis of this data, the electrode design can be improved to reduce crosstalk and to improve dynamic range. We then indicate how the improved herringbone electrode can be used in a matrix-vector multiplier employing the engagement architecture(2).","PeriodicalId":208165,"journal":{"name":"Seventh Topical Meeting on Integrated and Guided-Wave Optics","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121348399","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
Photodetector and Compatible Low-Noise Amplifiers for Long-Wavelength Light-Wave Receivers 用于长波光波接收器的光电探测器和兼容的低噪声放大器
Seventh Topical Meeting on Integrated and Guided-Wave Optics Pub Date : 1900-01-01 DOI: 10.1364/igwo.1984.tha1
J. Campbell
{"title":"Photodetector and Compatible Low-Noise Amplifiers for Long-Wavelength Light-Wave Receivers","authors":"J. Campbell","doi":"10.1364/igwo.1984.tha1","DOIUrl":"https://doi.org/10.1364/igwo.1984.tha1","url":null,"abstract":"This paper reviews photodetector/low-noise-amplifier combinations for light-wave receivers. Included are recent experimental results and theoretical limits for avalanche photodiodes and a PIN photodiode/amplifier combination as well as some promising new structures.","PeriodicalId":208165,"journal":{"name":"Seventh Topical Meeting on Integrated and Guided-Wave Optics","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125651511","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
Behavior of Optical Solitons Which are Periodically Amplified by Stimulated Raman Process 受激拉曼过程周期性放大光孤子的行为
Seventh Topical Meeting on Integrated and Guided-Wave Optics Pub Date : 1900-01-01 DOI: 10.1364/igwo.1984.tub6
A. Hasegawa
{"title":"Behavior of Optical Solitons Which are Periodically Amplified by Stimulated Raman Process","authors":"A. Hasegawa","doi":"10.1364/igwo.1984.tub6","DOIUrl":"https://doi.org/10.1364/igwo.1984.tub6","url":null,"abstract":"Transmission properties of optical solitons which are periodically amplified by the stimulated Raman process in a glass fiber is numerically studied for various parameters.\u0000 Optical solitons have two unique merits when used for extra high bit rate transmission systems:\u0000 1. the pulse shape does not distort in spite of the group dispersion of a glass fiber and\u0000 2. the pulse shape, whose width spreads in the presence of the fiber loss, can be reshaped only by appropriate amplifications.","PeriodicalId":208165,"journal":{"name":"Seventh Topical Meeting on Integrated and Guided-Wave Optics","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129230325","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
Tunable Integrated Optical Ringresonator 可调谐集成光环形谐振器
Seventh Topical Meeting on Integrated and Guided-Wave Optics Pub Date : 1900-01-01 DOI: 10.1364/igwo.1984.wd2
K. Tietgen
{"title":"Tunable Integrated Optical Ringresonator","authors":"K. Tietgen","doi":"10.1364/igwo.1984.wd2","DOIUrl":"https://doi.org/10.1364/igwo.1984.wd2","url":null,"abstract":"Optical fibre systems, especially coherent optical fibre communications systems require wavelength stabilization. This is usually being done by using stabilization circuits with Fabry-Perot-resonators /1/. However, application of Fabry-Perot-resonators for this purpose has two drawbacks: first strong wavelength dependent reflections occur and second it is not an integrated optic solution. The first drawback can be handled by using ringresonators. A fibre optic solution was recently described by Bachus et al. /2/. An integrated optical ringresonator was also realized recently using silver ion exchange in glass /3/. The disadvantage of both devices is that alignment and tuning are almost impossible. It follows from this considerations that an integrated optical ringresonator is required which is adjustable and tunable.","PeriodicalId":208165,"journal":{"name":"Seventh Topical Meeting on Integrated and Guided-Wave Optics","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123893724","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
Integrated-Optical Channel-Waveguide Frequency Shifter* 集成光通道波导移频器*
Seventh Topical Meeting on Integrated and Guided-Wave Optics Pub Date : 1900-01-01 DOI: 10.1364/igwo.1984.wd4
L. Johnson, R. A. Becker, R. Kingston
{"title":"Integrated-Optical Channel-Waveguide Frequency Shifter*","authors":"L. Johnson, R. A. Becker, R. Kingston","doi":"10.1364/igwo.1984.wd4","DOIUrl":"https://doi.org/10.1364/igwo.1984.wd4","url":null,"abstract":"Single-sideband optical frequency shifters compatible with optical fibers would be useful in a variety of applications including fiber-optic gyros and optical heterodyne communciations. Acoustooptic frequency shifters, which are now commonly used, are not compatible with optical fiber systems since they are broad-beam devices and require angular tuning to utilize their full electrical bandwidth. Here we present experimental results on a channel-waveguide frequency shifter being developed independently by us and others1 which utilizes TE/TM mode conversion produced by a traveling refractive-index-wave perturbation. In our approach, an interdigitated electrode structure is driven with a three-phase electrical signal to generate the index perturbation so that phase matching and therefore high conversion efficiency can be obtained from arbitrarily low frequencies to several gigahertz. The use of a three-phase-drive interdigitated electrode array is similar in concept to the wide-band slab-waveguide Bragg-diffraction frequency translator reported earlier.2 In the initial device reported here, which was fabricated in Ti:LiNbO3 for operation at λ = 1.15 μm, we obtained 10% conversion efficiency at 90 MHz. Much higher conversion efficiencies should be obtainable with improved designs. Here we report on the principles of operation of these devices, their fabrication, and the experimental results.","PeriodicalId":208165,"journal":{"name":"Seventh Topical Meeting on Integrated and Guided-Wave Optics","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124905673","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
Fiber-Optic Gyroscope Development 光纤陀螺仪的发展
Seventh Topical Meeting on Integrated and Guided-Wave Optics Pub Date : 1900-01-01 DOI: 10.1364/igwo.1984.wd1
E. Udd, R. Cahill
{"title":"Fiber-Optic Gyroscope Development","authors":"E. Udd, R. Cahill","doi":"10.1364/igwo.1984.wd1","DOIUrl":"https://doi.org/10.1364/igwo.1984.wd1","url":null,"abstract":"Fiber-optic gyros offer solid-state rotation sensing capability with the intrinsic potential advantages of high reliability, small size, and low cost. A particularly attractive aspect of this technology is its potential adaptability to strapdown inertial systems, which are anticipated to be in widespread use in the future. In order to be useful in many of these applications, wide dynamic range, accurate scale factor and cold start capabilities are required. The phase-nulling concept [1,2] allows the fiber-optic gyro to meet these goals through its ability to accurately monitor fringe position. Methods that allow scale factor correction and in-flight cold-starts using this fringe-monitoring capability are described for the first time.","PeriodicalId":208165,"journal":{"name":"Seventh Topical Meeting on Integrated and Guided-Wave Optics","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128495648","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
A Gallium Arsenide Electrooptical Interferometric Modulator* 砷化镓电光干涉调制器*
Seventh Topical Meeting on Integrated and Guided-Wave Optics Pub Date : 1900-01-01 DOI: 10.1364/igwo.1984.thb3
J. Donnelly, N. DeMeo, G. Ferrante, K. Nichols, F. O’Donnell
{"title":"A Gallium Arsenide Electrooptical Interferometric Modulator*","authors":"J. Donnelly, N. DeMeo, G. Ferrante, K. Nichols, F. O’Donnell","doi":"10.1364/igwo.1984.thb3","DOIUrl":"https://doi.org/10.1364/igwo.1984.thb3","url":null,"abstract":"Interferometers in which the effective length of one arm can be electronically varied are important optical components for signal processing and high-speed laser modulation. Integrated optical Mach-Zehnder interferometers have been fabricated in LiNO3 but, to our knowledge, there have been no reports of such an interferometer in the III-V semiconductors. Interferometers in the III-V's have the potential of being integrated with lasers, detectors and high speed electronic devices for a truly monolithic integrated optical circuit. In this paper we report initial results on a GaAs interferometer capable of amplitude modulation via the electrooptic effect.","PeriodicalId":208165,"journal":{"name":"Seventh Topical Meeting on Integrated and Guided-Wave Optics","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125668734","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
Broadband Ti:LiNbO3 Guided-Wave Lumped-Element and Traveling-Wave Interferometric Modulators* 宽带Ti:LiNbO3导波集总元件和行波干涉调制器*
Seventh Topical Meeting on Integrated and Guided-Wave Optics Pub Date : 1900-01-01 DOI: 10.1364/igwo.1984.tua2
R. Becker
{"title":"Broadband Ti:LiNbO3 Guided-Wave Lumped-Element and Traveling-Wave Interferometric Modulators*","authors":"R. Becker","doi":"10.1364/igwo.1984.tua2","DOIUrl":"https://doi.org/10.1364/igwo.1984.tua2","url":null,"abstract":"In this paper we report the development and characterization of wideband single-mode Mach-Zehnder interferometric lumped-element and traveling-wave modulators for applications in the 0.85-μm wavelength range. Several papers have been previously published which report the design and performance of Ti-indiffused lumped-element guided-wave electrooptic modulators.1 However, none of these provides sufficient insight for designing a practical modulator for a particular frequency response nor fully evaluates proposed circuit models by investigating a number of modulators with significantly different capacitances, resistances and inductances. Here, these issues are addressed and a simple RLC equivalent circuit is shown to accurately predict measured device performance. A lumped-element modulator with a Vπ = 4 V and a small-signal linear 3-dB bandwidth of 2.75 GHz has been demonstrated. In addition, traveling-wave modulators were fabricated and characterized. A small-signal linear 3-dB bandwidth of 13.2 GHz and a 7.6-μW/MHz figure of merit were measured representing one of the widest bandwidth and most efficient modulators reported. A traveling-wave modulator transmission line analysis predicts a >17-GHz small-signal linear bandwidth for this same device when a different terminating impedance is used.","PeriodicalId":208165,"journal":{"name":"Seventh Topical Meeting on Integrated and Guided-Wave Optics","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129525527","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
High-speed modulation of semiconductor integrated etalon interference lasers 半导体集成标准子干涉激光器的高速调制
Seventh Topical Meeting on Integrated and Guided-Wave Optics Pub Date : 1900-01-01 DOI: 10.1364/igwo.1984.wb5
A. Antreasyan, T. Ranganath, Shyh Wang
{"title":"High-speed modulation of semiconductor integrated etalon interference lasers","authors":"A. Antreasyan, T. Ranganath, Shyh Wang","doi":"10.1364/igwo.1984.wb5","DOIUrl":"https://doi.org/10.1364/igwo.1984.wb5","url":null,"abstract":"Recently, there is a great deal of interest in achieving longitudinal mode stabilization of semiconductor lasers by introducing interferometric resonators [1-4]. Such lasers are capable of stable single longitudinal mode operation over an extended temperature range which would be ideal for high bit rate, long distance optical communications. In Ref. 1 we have reported stable single longitudinal mode operation over a temperature range of ΔT=23°C in a GaAs-GaAlAs interferometric semiconductor laser, the integrated etalon interference (IEI) laser. The IEI laser consists of a resonator having one curved segment (L2) joined at both ends to two straight segments (L1 and L3) as shown in Fig. 1. Lateral guiding is provided by a buried heterostructure (BH) type laser cavity. Interference is caused by the internal reflection and lateral mode conversion at the junction discontinuity between straight and curved waveguides.","PeriodicalId":208165,"journal":{"name":"Seventh Topical Meeting on Integrated and Guided-Wave Optics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131030246","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
High Speed Modulation of Semiconductor Injection Lasers at f > 10GHz f > 10GHz半导体注入激光器的高速调制
Seventh Topical Meeting on Integrated and Guided-Wave Optics Pub Date : 1900-01-01 DOI: 10.1364/igwo.1984.wb2
K. Lau, N. Bar-chaim, I. Ury, A. Yariv
{"title":"High Speed Modulation of Semiconductor Injection Lasers at f > 10GHz","authors":"K. Lau, N. Bar-chaim, I. Ury, A. Yariv","doi":"10.1364/igwo.1984.wb2","DOIUrl":"https://doi.org/10.1364/igwo.1984.wb2","url":null,"abstract":"A fundamental relation between the direct modulation bandwidth of an injection laser and the various laser parameters is as follows: where P0 is the optical power density at the active region, A is the differential gain constant and τ\u0000 p\u0000 is the photon lifetime. It is obvious that the bandwidth can be increased by increasing P\u0000 o\u0000 .","PeriodicalId":208165,"journal":{"name":"Seventh Topical Meeting on Integrated and Guided-Wave Optics","volume":"160 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132468459","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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