By Joachim Piprek
Optoelectronic units rework electric signs into optical signs (and vice versa) by using the interplay of electrons and light-weight. complicated software program instruments for the layout and research of such units were built lately. despite the fact that, the massive number of fabrics, units, actual mechanisms, and modeling techniques usually makes it tricky to choose applicable theoretical versions or software program programs. This e-book provides a assessment of units and complicated simulation techniques written by means of top researchers and software program builders. it really is meant for scientists and gadget engineers in optoelectronics who're attracted to utilizing complicated software program instruments. each one bankruptcy comprises the theoretical heritage in addition to useful simulation effects that aid the reader to higher comprehend inner equipment physics. Real-world units akin to edge-emitting or surface-emitting laser diodes, light-emitting diodes, sun cells, photodetectors, and built-in optoelectronic circuits are investigated. The software program applications defined within the e-book can be found to the general public, on a advertisement or noncommercial foundation, in order that the reader is readily in a position to practice comparable simulations.
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Extra resources for Optoelectronic Devices: Advanced Simulation and Analysis
Sample text
Different levels of model abstraction are used to describe the behavior of devices, depending on whether they are being simulated alone or with other components in an optical system. At the lowest level, simulations treat the fundamental device physics rigorously, whereas behavioral modeling, which allows for an increased number of elements to be treated, is applied at the system or network level. This chapter will focus on the former approach. To predict the performance of a new design, a successful commercial laser simulator must account for the many complex physical processes that con- 28 B.
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However, if the experimental results are not compared with advanced theoretical models, as discussed here, the information obtainable through these measurements is rather limited. The wavelength of the photoluminescence often differs from that of the peak gain in the processed and running device by several tens of nanometers. Part of this is due to the different excitation conditions: For the luminescence, low-intensity optical pumping is used, whereas in running semiconductor lasers typically strong electrical pumping is used.