Analog Optical Links: Theory and PracticeAnalog Optical Links presents the basis for the design of analog links. Following an introductory chapter, there is a chapter devoted to the development of the small signal models for common electro-optical components used in both direct and external modulation. However this is not a device book, so the theory of their operation is discussed only insofar as it is helpful in understanding the small signal models that result. These device models are then combined to form a complete link. With these analytical tools in place, a chapter is devoted to examining in detail each of the four primary link parameters; gain, bandwidth, noise figure and dynamic range. Of particular interest is the inter-relation between device and link parameters. A final chapter explores some of the trade offs among the primary link parameters. |
Contents
1 | |
2 Link components and their smallsignal electrooptic models | 19 |
3 Low frequency short length link models | 69 |
4 Frequency response of links | 91 |
5 Noise in links | 159 |
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Common terms and phrases
achieve amplifiers applications approach assume average bandwidth bias calculate carrier cavity Chapter circuit combination components Consequently decreases density dependence derivation device diode laser direct modulation discussed distortion dominant effects electrical electrodes emission equal equations example expression external modulation fact fiber frequency response function fundamental given IEEE IM-free DR impedance matching important increases incremental independent input intermodulation intrinsic gain less light limit linear link design load loss magnitude maximum measured mode modulation device modulation efficiency modulation link noise figure noise sources obtain optical power output parameters passive photodetector photodiode photon plot practice present range ratio reduce reflection represents resistance resonance shown in Fig shows signal simply single slope efficiency Substituting thermal third-order threshold transformer turns typically voltage waveguide wavelength zero