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ABSTRACT: We have proposed an equivalent electric circuit model of p-i-n photodiode including the transit-time effect for performance evaluation of optical systems through the aid of a SPICE-like circuit simulator. No model-dependent close-form expression is necessary in our model. Its validity is shown for the analysis of frequency response in simplified p-i-n photodiodes with different lengths of i-region under uniform or nonuniform illumination. Its application to eye-diagram analysis is demonstrated also.
IEEE Photonics Technology Letters 05/2002; · 2.04 Impact Factor