Novel Optical Sampling Oscilloscope Using Envelope Detection Triggering Method

Otani, Akihito; Tsuda, Yukio; Igawa, Koji; Shida, Katsunori

doi:10.1109/jlt.2008.923944

Cited by 9 publications

(4 citation statements)

References 9 publications

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“…2(a)]. For a repetitive optical waveform, this is equivalent to the creation of sampling time instants having a step DT within each signal bit period [1,10,19] DT f…”

Section: Optical Waveform Monitoring By Flexible Optical Samplingmentioning

confidence: 99%

Optical waveform monitoring based on a free-running mode-locked femtosecond fibre laser and four-wave mixing in a highly nonlinear fibre

Liu

Zhang

Tang³

2016

Opto-Electronics Review

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“…2(a)]. For a repetitive optical waveform, this is equivalent to the creation of sampling time instants having a step DT within each signal bit period [1,10,19] DT f…”

Section: Optical Waveform Monitoring By Flexible Optical Samplingmentioning

confidence: 99%

Optical waveform monitoring based on a free-running mode-locked femtosecond fibre laser and four-wave mixing in a highly nonlinear fibre

Liu

Zhang

Tang³

2016

Opto-Electronics Review

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“…Undeniably, high repetition rate ultrashort pulse generators are a key enabling device for the future high capacity flexible optical networks [2]. Mode-locked fiber lasers (MLL) represent a potential source of such pulses and to date, the vast majority of optical pulse sources related applications have been based on MLL [3][4][5][6]. However stringent phase locking condition renders their operation non-trivial and prone to external perturbations.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation of pulse generation with one-pump fiber optical parametric amplification

Vedadi¹,

Shoaie²,

Brès³

2012

Opt. Express

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In a recent study, the theory of pulse generation with fiber optical parametric amplification using sinusoidal (clock) intensity modulated pump was revisited. This work showed that the pulses generated through such parametric interaction exhibit a shape which depends on the signal detuning with respect to the pump position (i.e. linear phase mismatch). A near Gaussian shape can only be achieved over a small region of the gain spectrum, close to the maximum gain location. Towards the extremities of the gain spectrum, the generated pulses take a near Sinc shape which can have many potential applications such as for all-optical Nyquist limited transmitters and/or receivers. In this paper we experimentally verify the theory at repetition rates up to 40 GHz. We also discuss the impact of noise, pump saturation and walk-off on the generated pulses.

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“…As a solution to these problems, we have proposed the envelope detection triggering (EDT) method, and the EDT-OSO technique based on this method [5].…”

Section: Introductionmentioning

confidence: 99%

“…The extracted signal is used to trigger eye diagram waveforms. Equations (1) and (2) present the relations between ∆T, f x , f s , f h , and N in equivalent-time sampling [5]; here N is the sampling number (integer):…”

Section: Introductionmentioning

confidence: 99%

Consideration of direct bit‐rate measuring method based on extracting envelope signal

Otani

Tsuda

Igawa

et al. 2010

Electrical Engineering Japan

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SUMMARYWe previously developed an optical sampling oscilloscope (EDT-OSO) based on an envelope detection triggering method. This EDT-OSO can stably measure eye-diagram waveforms of signals exceeding 100 Gbps without an external high-frequency clock signal. However, far-end waveform measurements over a long distance could not be performed because the EDT-OSO requires the linkage of 10-MHz time bases in the EDT-OSO and a light under test (LUT) generator for synchronizing. To overcome this drawback we developed a direct bit-rate measuring method for synchronizing both 10-MHz time bases virtually and a self-synchronized EDT-OSO (SSEDT-OSO) based on this method. We confirmed that the bit-rate measurement repeatability of the SSEDT-OSO was from 10 -9 to 10 -8 by evaluating the standard deviation, and showed that the SSEDT-OSO can measure an eye diagram without linking to 10-MHz time bases. This paper explains the basic principle for measuring the bit-rate of the LUT directly. We also describe the configuration of the SSEDT-OSO and present evaluation results.

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Novel Optical Sampling Oscilloscope Using Envelope Detection Triggering Method

Cited by 9 publications

References 9 publications

Optical waveform monitoring based on a free-running mode-locked femtosecond fibre laser and four-wave mixing in a highly nonlinear fibre

Optical waveform monitoring based on a free-running mode-locked femtosecond fibre laser and four-wave mixing in a highly nonlinear fibre

Experimental investigation of pulse generation with one-pump fiber optical parametric amplification

Consideration of direct bit‐rate measuring method based on extracting envelope signal

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