Single-image shadow detection and removal using paired regions
In this paper, we address the problem of shadow detection and removal from single images
of natural scenes. Different from traditional methods that explore pixel or edge information …
of natural scenes. Different from traditional methods that explore pixel or edge information …
Enhanced optical frequency comb generation by pulsed gain-switching of optically injected semiconductor lasers
We report on the experimental generation of broad and flat optical frequency combs (OFC)
in a 1550 nm laser diode using gain switching with pulsed electrical excitation together with …
in a 1550 nm laser diode using gain switching with pulsed electrical excitation together with …
[PDF][PDF] Study of gain switching in vertical cavity surface emitting laser under different electrical pulse inputs
Vertical cavity surface emitting laser (VCSEL) is a strong candidate for short pulse
generation among the other semiconductor lasers in the era of laser technology. A 1550 nm …
generation among the other semiconductor lasers in the era of laser technology. A 1550 nm …
Self-starting VCSEL-based optical frequency comb generator
In this paper, we present the simulation and experimental results of the first closed-loop
system based on a directly modulated VCSEL in a gain-switching condition to generate …
system based on a directly modulated VCSEL in a gain-switching condition to generate …
VCSEL-based optical frequency combs: Toward efficient single-device comb generation
ÁRC Serrano, C de Dios Fernandez… - IEEE Photonics …, 2013 - ieeexplore.ieee.org
Optical frequency combs generators (OFCGs) have demonstrated to be extremely useful
tools in a wide variety of applications. The current research trends look toward compact …
tools in a wide variety of applications. The current research trends look toward compact …
High-peak-power pulse generation from a monolithic master oscillator power amplifier at 1.5 μm
We present an experimental study on the generation of high-peak-power short optical
pulses from a fully integrated master-oscillator power-amplifier emitting at 1.5 μm. High-peak …
pulses from a fully integrated master-oscillator power-amplifier emitting at 1.5 μm. High-peak …
Complete optical field reconstruction and determination of linewidth enhancement factor in gain-switched semiconductor lasers using the Gerchberg–Saxton algorithm
We propose the use of the Gerchberg–Saxton algorithm to retrieve the time-resolved phase
of optical pulses generated by gain-switched semiconductor lasers from the temporal and …
of optical pulses generated by gain-switched semiconductor lasers from the temporal and …
Dual-comb spectroscopy with enhanced resolution by pseudorandom phase modulation of gain-switched optical pulses
We present a dual-comb spectrometer based on gain-switched optical frequency combs
which breaks the current spectral resolution limitation of such systems. The external phase …
which breaks the current spectral resolution limitation of such systems. The external phase …
Pulse shortening of gain switched single mode semiconductor lasers using a variable delay interferometer
We propose a pulse sha** and shortening technique for pulses generated from gain
switched single mode semiconductor lasers, based on a Mach Zehnder interferometer with …
switched single mode semiconductor lasers, based on a Mach Zehnder interferometer with …
Regional Pulsewidth and Delay Nonuniformity of Modulated 940 nm Vertical‐Cavity Surface‐Emitting Laser Array
Under pulsed modulation, the emission uniformity in terms of pulsewidth and delay of a 940
nm multimode vertical‐cavity surface‐emitting laser (MM‐VCSEL) array is characterized by …
nm multimode vertical‐cavity surface‐emitting laser (MM‐VCSEL) array is characterized by …