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- W2616003166 abstract "We present a modelling technique and noise analysis of a clock recovery scheme based on an optoelectronic phase-locked loop. We treat the problem using techniques from stochastic processes and stochastic differential equations. A set of stochastic differential (Langevin) equations describing the optoelectronic phase-locked loop are derived. By using small-signal analysis, the Langevin equations are linearized and the associated system of stochastic differential equations is solved using Fourier techniques. Numerical simulations are then used to investigate the performance of the optoelectronic phase-locked loop with noise at a bit-rate of 160 Gb/s. It has been shown that it is important to reduce the time delay in the loop since it results in the increased timing jitter of the recovered clock signal. We also investigate the requirement for the free-running timing jitter of the local electrical and optical oscillator. We show that it is possible to obtain recovered clock signal with less timing jitter then the input data signal as long as the jitter of the free-running electrical oscillator is less than the input data signal timing jitter. Using the guidelines form the numerical simulations, optoelectronic phase-locked loop based clock recovery operating at 320 Gb/s is demonstrated. Optical regenerator with clock recovery, based on an optoelectronic phaselocked loop, is also described using techniques from stochastic calculus. An analytical expression for the power spectral density of the retimed data signal is derived. We use numerical simulation to investigate the performance of the optical regenerator operating at 40 Gb/s and 160 Gb/s. We have shown that for flat-top input data signal pulses and sufficiently narrow optical clock signal pulses, the timing jitter of the retimed data optical data signal can be significantly reduced compared to the jitter of the degraded input data signal. The optical clock signal pulse width needs to be relatively short compared to the optical data signal pulse width in order for the retimed data signal timing jitter to coincide with the recovered clock" @default.
- W2616003166 created "2017-05-26" @default.
- W2616003166 creator A5017792393 @default.
- W2616003166 creator A5040851229 @default.
- W2616003166 creator A5049753153 @default.
- W2616003166 creator A5066649801 @default.
- W2616003166 creator A5088709170 @default.
- W2616003166 date "2007-09-01" @default.
- W2616003166 modified "2023-09-23" @default.
- W2616003166 title "High-speed clock recovery and demodulation using short pulse sources and phase-locked loop techniques" @default.
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