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- W1498524815 abstract "Semiconductor lasers have been one of the major building blocks of fiber optics based communication systems. For the past two decades, specifications of these lasers have been tailored to specific applications by defining certain performance parameters that do not necessarily overlap from one application to another. In this simulation work, we modify and enhance essential performance parameters of simple, low cost lasers and tailor them to specific applications that normally require advanced and complicated laser structures by using electronic feedback for instantaneous impairment correction, while at the same time maintain a compact size for the laser and the supporting circuitry around it. The main driver behind this work is to facilitate photonic integration by analyzing design cases with specific delays and structures for the feedback loop to deliver as a first step, a comprehensive design study for hybrid integration. Specific applications targeted are, analog transmission for wireless backhauling by reducing the laser Relative Intensity Noise and maintaining and enhancing transmitter linearity, improving laser modulation bandwidth and increasing the laser relaxation oscillation frequency, laser line-width reduction to target long haul transmission and coherent detection and finally producing self-pulsating laser for analog to digital conversion sampling application. The performance for all these applications is analyzed in both time and frequency domains. For the optical sampling source application, the feedback loop needs to be operating outside the stable regime in order for the laser to run in the self-pulsation mode, where the laser drive current can be used as a single point of control for the pulsation rep-rate." @default.
- W1498524815 created "2016-06-24" @default.
- W1498524815 creator A5067750553 @default.
- W1498524815 date "2012-04-25" @default.
- W1498524815 modified "2023-09-26" @default.
- W1498524815 title "DFB Laser Diode Dynamics with Optoelectronic Feedback" @default.
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- W1498524815 doi "https://doi.org/10.5772/34979" @default.
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