Dispersive Fourier transformation for fast continuous single-shot measurements

K Goda, B Jalali - Nature Photonics, 2013 - nature.com
Dispersive Fourier transformation is an emerging measurement technique that overcomes
the speed limitations of traditional optical instruments and enables fast continuous single …

Real-time gap-free dynamic waveform spectral analysis with nanosecond resolutions through analog signal processing

SR Konatham, R Maram, L Romero Cortés… - Nature …, 2020 - nature.com
Real-time tracking of a waveform frequency content is essential for detection and analysis of
fast rare events in communications, radar, radio astronomy, spectroscopy, sensing etc. This …

Analysis of laser radiation using the Nonlinear Fourier transform

S Sugavanam, MK Kopae, J Peng, JE Prilepsky… - Nature …, 2019 - nature.com
Modern high-power lasers exhibit a rich diversity of nonlinear dynamics, often featuring
nontrivial co-existence of linear dispersive waves and coherent structures. While the …

Hybrid dispersion laser scanner

K Goda, A Mahjoubfar, C Wang, A Fard, J Adam… - Scientific reports, 2012 - nature.com
Laser scanning technology is one of the most integral parts of today's scientific research,
manufacturing, defense and biomedicine. In many applications, high-speed scanning …

Panoramic-reconstruction temporal imaging for seamless measurements of slowly-evolved femtosecond pulse dynamics

B Li, SW Huang, Y Li, CW Wong, KKY Wong - Nature communications, 2017 - nature.com
Single-shot real-time characterization of optical waveforms with sub-picosecond resolution
is essential for investigating various ultrafast optical dynamics. However, the finite temporal …

Full recovery of ultrafast waveforms lost under noise

B Crockett, L Romero Cortés, SR Konatham… - Nature …, 2021 - nature.com
The ability to detect ultrafast waveforms arising from randomly occurring events is essential
to such diverse fields as bioimaging, spectroscopy, radio-astronomy, sensing and …

Real-time Fourier-domain optical vector oscilloscope

L Li, C Zhang, Y Cai, H Zhang, Y Li, X Li, X **
V Torres-Company, DE Leaird, AM Weiner - Optics express, 2011 - opg.optica.org
The frequency-to-time map** technique (also known as the temporal far-field
phenomenon) usually requires a significant amount of dispersion to stretch an ultrashort …

Ultrarapid optical frequency-domain reflectometry based upon dispersion-induced time stretching: principle and applications

TJ Ahn, Y Park, J Azana - IEEE Journal of Selected Topics in …, 2011 - ieeexplore.ieee.org
This paper reviews recent progress on a new, simple, and powerful technique for ultrahigh-
speed optical frequency-domain reflectometry (OFDR), namely, time-stretching (TS)-OFDR …

Experimental demonstration of optical real-time data compression

MH Asghari, B Jalali - Applied Physics Letters, 2014 - pubs.aip.org
We experimentally demonstrate a method for compressing the time-bandwidth product of
analog signals in real-time. By performing self-adaptive stretch, this technology enables …