Multi-Wavelength Fiber Optical Parametric Oscillator Based on a Highly Nonlinear Fiber and a Sagnac Loop Filter

Chen, Daru; Sun, Bing

doi:10.2528/pier10061506

Cited by 17 publications

(9 citation statements)

References 63 publications

(65 reference statements)

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“…Some methods [1][2][3][4][5][6] attempt to address the problem above Unfortunately, they merely obtain a trade-off between the azimuth resolution and illuminated area.…”

Section: Introductionmentioning

confidence: 99%

System Error Analysis and Calibration Methods for Multi-Channel Sar

Ma¹,

Li²,

Liao³

2011

PIER

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Abstract-For multi-channel SAR system, since the minimum antenna area constraint is eliminated, wide swath and high resolution SAR image can be achieved. However, compared to mono-channel SAR system, there exist many deleterious factors in multi-channel SAR system which significantly degrade the quality of SAR image. In this paper, all the deleterious factors in the system are analyzed and classified according to their impact on the SAR imaging processing, in addition an new array error estimation method is presented. The validity of the proposed method is verified by experimental results of measured Tri-channel SAR data.

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“…Some methods [1][2][3][4][5][6] attempt to address the problem above Unfortunately, they merely obtain a trade-off between the azimuth resolution and illuminated area.…”

Section: Introductionmentioning

confidence: 99%

System Error Analysis and Calibration Methods for Multi-Channel Sar

Ma¹,

Li²,

Liao³

2011

PIER

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“…These nonlinear models are not always available, and in some cases they do not have enough accuracy [7]. However, it is necessary, before starting a nonlinear simulation, to have a good approximation of the frequency and start-up conditions.…”

Section: Introductionmentioning

confidence: 99%

Oscillator Accurate Linear Analysis and Design. Classic Linear Methods Review and Comments

González-Posadas¹,

Martín²,

Parra-Cerrada³

et al. 2011

PIER

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Abstract-This paper is a deep analysis of oscillator plane reference design methods. It defines applicable conditions and the expected accuracy that can be archived with these methods. Some examples will be shown to illustrate wrong solutions that the use of linear reference plane methods can produce. The wrong solutions will be justified by necessary conditions for proper use of these methods. The strengths and weaknesses of the, widely used, plane reference methods are described in this paper. Several classic topologies of microwave oscillators, as Grounded Collector Tuned Bases(GCTB) and Grounded Bases Tuned Oscillator (GBTO), are used to illustrate these results and the additional required conditions.

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“…Oscillators play a key role in every Radar, RF or microwave systems [1][2][3][4]. The noise characterization of oscillators is essential for the system engineers, because the device final performance is inherently defined by it [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Transpose Return Relation Method for Designing Low Noise Oscillators

Jiménez-Martín¹,

González-Posadas²,

Parra-Cerrada³

et al. 2012

PIER

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Abstract-In this paper, a new linear method for optimizing compact low noise oscillators for RF/MW applications will be presented. The first part of this paper makes an overview of Leeson's model. It is pointed out, and it is demonstrates that the phase noise is always the same inside the oscillator loop. It is presented a general phase noise optimization method for reference plane oscillators. The new method uses Transpose Return Relations (RR T ) as true loop gain functions for obtaining the optimum values of the elements of the oscillator, whatever scheme it has. With this method, oscillator topologies that have been designed and optimized using negative resistance, negative conductance or reflection coefficient methods, until now, can be studied like a loop gain method. Subsequently, the main disadvantage of Leeson's model is overcome, and now it is not only valid for loop gain methods, but it is valid for any oscillator topology. The last section of this paper lists the steps to be performed to use this method for proper noise optimization during the linear design process and before the final non-linear optimization. The power of the proposed RR T method is shown with its use for optimizing a common oscillator, which is later simulated using Harmonic Balance (HB) and manufactured. Then, the comparison of the linear, HB and measurements of the phase noise are compared.

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Multi-Wavelength Fiber Optical Parametric Oscillator Based on a Highly Nonlinear Fiber and a Sagnac Loop Filter

Cited by 17 publications

References 63 publications

System Error Analysis and Calibration Methods for Multi-Channel Sar

System Error Analysis and Calibration Methods for Multi-Channel Sar

Oscillator Accurate Linear Analysis and Design. Classic Linear Methods Review and Comments

Transpose Return Relation Method for Designing Low Noise Oscillators

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