Near-Nyquist optical pulse generation with fiber optical parametric amplification

A Vedadi, MA Shoaie, CS Brès - Optics express, 2012 - opg.optica.org
A novel method using optical fiber parametric amplification and phase modulation is
proposed in order to generate Nyquist pulses. Using parabolic pulses as a pump, we show …

Measurement and multiplexing of ultra-low duty cycle Nyquist pulse sequences

J Li, D Jia, C Ge, Y Yao, Z Wang, T Yang - Applied Optics, 2023 - opg.optica.org
In this paper, we propose a novel, to the best of our knowledge, method to our knowledge for
generating and accurately measuring Nyquist pulse sequences with an ultra-low duty cycle …

Designing one-pump fiber optical parametric amplifiers for an insensitive amplification to dispersion fluctuations

H Pakarzadeh, M Bagheri… - Journal of Nonlinear …, 2014 - World Scientific
Small-signal gain spectrum of one-pump fiber optical parametric amplifiers (1-P FOPAs) is
investigated in the presence of dispersion fluctuations. By assuming the dispersion …

Gain-saturated one-pump fiber optical parametric amplifiers in presence of longitudinal dispersion fluctuations

M Bagheri, H Pakarzadeh, A Keshavarz - Applied optics, 2016 - opg.optica.org
In this paper, we investigate the impact of longitudinal dispersion fluctuations of the optical
fiber on the gain spectrum and the saturation behavior of one-pump fiber-optical parametric …

Wideband generation of pulses in dual-pump optical parametric amplifier: theory and experiment

MA Shoaie, A Mohajerin-Ariaei, A Vedadi, CS Brès - Optics express, 2014 - opg.optica.org
The generation of pulses in dual-pump fiber optical parametric amplifier is investigated.
Theoretically, it is shown that in an analogical manner to pulse generation in single-pump …

One-pump fiber optical parametric amplifiers: from the pulsed to the continuous wave operation

M Taghizadeh, MK Tavassoly, M Hatami… - Optical …, 2018 - spiedigitallibrary.org
The characteristics of one-pump fiber optical parametric amplifiers (1-P FOPAs) are
theoretically investigated as the temporal width of the input pump increases from the pulsed …

Modelling of a variable optical switch based on the parametric amplification in a photonic crystal fibre

H Pakarzadeh, M Sharifian - Journal of Modern Optics, 2018 - Taylor & Francis
We model an optical switch with a variable gain based on the optical parametric
amplification in a photonic crystal fibre (PCF). By solving the coupled amplitude equations …

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

AA Vedadi, MA Shoaie, CS Brès - Optics express, 2012 - opg.optica.org
In a recent study, the theory of pulse generation with fiber optical parametric amplification
using sinusoidal (clock) intensity modulated pump was revisited [1]. This work showed that …

Parametric gain shaping from a structured pump pulse

D Bigourd, P Morin, J Dubertrand… - IEEE Photonics …, 2018 - ieeexplore.ieee.org
We investigate optical parametric amplification in a fiber pumped by a shaped pulse. The
temporal structure of the pump impacts directly the instantaneous spectral gain and its …

Asymmetric gain-saturated spectrum in fiber optical parametric amplifiers

Z Lali-Dastjerdi, K Rottwitt, M Galili, C Peucheret - Optics Express, 2012 - opg.optica.org
We demonstrate experimentally and numerically an unexpected spectral asymmetry in the
saturated-gain spectrum of single-pump fiber optical parametric amplifiers. The interaction …