Temporal analog of Bragg gratings

SF Koufidis, TT Koutserimpas, MW McCall - Optics Letters, 2023 - opg.optica.org
… We demonstrate the temporal analog of a Bragg grating, discuss the differences with its
spatial counterpart, and examine nontrivial scenarios of the permittivity’s time-modulation, such …

Synthesis of temporal optical waveforms by fiber Bragg gratings: a new approach based on space-to-frequency-to-time mapping

J Azaña, LR Chen - JOSA B, 2002 - opg.optica.org
Bragg gratings, which overcomes the depletion effects associated with long uniform gratings
operating in the weak-grating … apodized linearly chirped fiber Bragg grating and is based on …

On the design of efficient and accurate arbitrary-order temporal optical integrators using fiber bragg gratings

MH Asghari, J Azaña - Journal of Lightwave Technology, 2009 - opg.optica.org
… digital or analog computers [9]. Among the previous designs for performing temporal integration
of optical signals [2]–[12], filtering solutions based on fiber Bragg gratings (FBGs) [6]–[12…

Ultrafast and ultrahigh-resolution interrogation of a fiber Bragg grating sensor based on interferometric temporal spectroscopy

C Wang, J Yao - Journal of Lightwave Technology, 2011 - ieeexplore.ieee.org
… IBER Bragg grating (FBG) based optical sensors have found a wide range of applications
in the monitoring of strain, temperature and other mechanical, chemical and biomedical …

Design of an optical temporal integrator based on a phase-shifted fiber Bragg grating in transmission

N Quoc Ngo - Optics letters, 2007 - opg.optica.org
… An all-optical temporal integrator can perform the time … blocks of all-optical analog/digital
signal processing circuits … π-phase-shifted fiber Bragg grating (PSFBG) in transmission mode. …

Ultrafast analog all-optical signal processors based on fiber-grating devices

J Azaña - IEEE Photonics Journal, 2010 - ieeexplore.ieee.org
Bragg gratings have also been recently explored for optical differentiation as an interesting
alternative to all-fiber gratings … In analogy with their electronic counterparts, photonic temporal

Design of arbitrary-order photonic temporal differentiators based on phase-modulated fiber Bragg gratings in transmission

X Liu, X Shu - Journal of Lightwave Technology, 2017 - ieeexplore.ieee.org
… arbitraryorder temporal differentiators based on phase-modulated fiber Bragg gratings (PM-…
the coupling strengths of such gratings remain uniform along most of the grating lengths [20]. …

Fiber bragg gratings

A Othonos - Review of scientific instruments, 1997 - pubs.aip.org
… via the above interferometric techniques must have good temporal and spatial coherence.
The spatial … The temporal coherence has to be at least the length of the grating in order for the …

… of continuously tunable chirped microwave waveforms based on a temporal interferometer incorporating an optically pumped linearly chirped fiber Bragg grating

M Li, J Yao - IEEE transactions on microwave theory and …, 2011 - ieeexplore.ieee.org
… implemented using two superimposed linearly chirped fiber Bragg gratings (LCFBGs) with
a spatial offset between the two LCFBGs [8], or a spatially discrete fiber Bragg grating (FBG) [9]…

High temporal and spatial resolution distributed fiber Bragg grating sensors using time-stretch frequency-domain reflectometry

EJ Ahmad, C Wang, D Feng, Z Yan… - Journal of Lightwave …, 2016 - ieeexplore.ieee.org
… very high temporal resolution. In this work, an equivalent temporal sampling rate of 67.5
GS/s was used to detect the interference waveforms, leading to a maximum temporal resolution …