Photonic analog-to-digital converters
GC Valley - Optics express, 2007 - opg.optica.org
This paper reviews over 30 years of work on photonic analog-to-digital converters. The
review is limited to systems in which the input is a radio-frequency (RF) signal in the …
review is limited to systems in which the input is a radio-frequency (RF) signal in the …
Photonic time stretch and its application to analog-to-digital conversion
F Coppinger, AS Bhushan… - IEEE Transactions on …, 1999 - ieeexplore.ieee.org
We demonstrate a new concept for analog-to-digital (A/D) conversion based on photonic
time stretch. The analog electrical signal is intensity modulated on a chirp optical waveform …
time stretch. The analog electrical signal is intensity modulated on a chirp optical waveform …
Femtosecond real-time single-shot digitizer
We demonstrate a single-shot digitizer with a 10 Tsample∕ s sampling rate. This feat is
accomplished with a photonic time stretch preprocessor that slows down the electrical …
accomplished with a photonic time stretch preprocessor that slows down the electrical …
Real-time measurements, rare events and photon economics
Rogue events otherwise known as outliers and black swans are singular, rare, events that
carry dramatic impact. They appear in seemingly unconnected systems in the form of …
carry dramatic impact. They appear in seemingly unconnected systems in the form of …
Ultrawide-band photonic time-stretch A/D converter employing phase diversity
The performance of analog-to-digital converters can be greatly enhanced by preprocessing
the analog signal using the photonic time-stretch technique. The analog bandwidth of a time …
the analog signal using the photonic time-stretch technique. The analog bandwidth of a time …
Real-time spectroscopy with subgigahertz resolution using amplified dispersive Fourier transformation
Dispersive Fourier transformation is a powerful technique in which spectral information is
mapped into the time domain using chromatic dispersion. It replaces a spectrometer with an …
mapped into the time domain using chromatic dispersion. It replaces a spectrometer with an …
Tailoring wideband signals with a photonic hardware accelerator
B Jalali, A Mahjoubfar - Proceedings of the IEEE, 2015 - ieeexplore.ieee.org
Digital hardware accelerators are increasingly employed to speed up computation and
reduce power dissipation, enabling real-time operation. Inspired by this paradigm, we …
reduce power dissipation, enabling real-time operation. Inspired by this paradigm, we …
A fully electronic system for the time magnification of ultra-wideband signals
JD Schwartz, J Azana, DV Plant - IEEE transactions on …, 2007 - ieeexplore.ieee.org
We present the first experimental demonstration of a fully electronic system for the temporal
magnification of signals in the ultra-wideband regime. The system employs a broadband …
magnification of signals in the ultra-wideband regime. The system employs a broadband …
Design of warped stretch transform
Time stretch dispersive Fourier transform enables real-time spectroscopy at the repetition
rate of million scans per second. High-speed real-time instruments ranging from analog-to …
rate of million scans per second. High-speed real-time instruments ranging from analog-to …
Time-stretched sampling of a fast microwave waveform based on the repetitive use of a linearly chirped fiber Bragg grating in a dispersive loop
Conventional sampling techniques may not be able to meet the ever-increasing demand for
increased bandwidth from modern communications and radar signals. Optical time-stretched …
increased bandwidth from modern communications and radar signals. Optical time-stretched …