By Cox III C.H.
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Additional info for Analog optical links
Cox, 1996, Fig. 1. ) provide the optical reflections, etc. Since our goal here is to develop the basic device models upon which we can build the link design parameters in future chapters, we choose a simple laser design for the emphasis of the discussion. We then introduce variations to this laser design – and the link performance refinements they permit. 1 Fabry–Perot diode laser A diagram of a generic in-plane, edge-emitting Fabry–Perot diode laser is shown in Fig. 1(a). The principal parts are a p-n diode junction and an optical waveguide with partially reflecting mirrors at either end.
Also shown are reported slope efficiencies for several research and commercially available diode lasers. • VSCEl, FP, DFB. Point Authors and date Freq. (GHz) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 M. , 1993 Fujitsu, 1996 B. , 1994 T. , 1990 Y. , 1993 W. , 1990 T. , 1994 H. , 1992 T. , 1995 R. , 1992 L. , 1991 Y. , 1997 J. , 1994 S. 8 3 10 12 12 13 18 20 20 22 28 30 33 40 form of impedance matching between the modulation source and the laser to satisfy the definition of available power. A simple, but as we will see inefficient, way to implement the impedance match is to add a resistor, RMATCH , in series with the laser.
O’Mahony, M. 1988. Semiconductor laser optical amplifiers for use in future fiber systems, J. , 6, 531–44. , Fleissner, J. and Bender, K. 1994. Low-bias-current direct modulation up to 33 GHz in InGaAs/GaAs/AlGaAs pseudomorphic MQW ridge-waveguide devices, IEEE Photon. Technol. , 6, 1076–9. Seeds, A. J. 1996. Optical transmission of microwaves. In Review of Radio Science 1993–1996, ed. W. Ross Stone, Oxford: Oxford University Press, Chapter 14. Taylor, J. H. and Yates, H. W. 1957. Atmospheric transmission in the infrared, J.