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HOME / Noise Sources in Semiconductor Optical Amplifiers - BD Bugler Critical Infrastructure & Optoelectronics
The paper presents a comparison between a semiclassical and a quantum description of the output noise spectra of semiconductor optical amplifiers. The noise sources are represented by Langevin
We introduce a novel measurement method for the phase noise measurement of optical amplifiers, topologically similar to the Heterodyne Mach-Zehnder Interferometer but governed by
Abstract We present a quantitative estimation of noise reduction in a gain-saturated semiconductor optical amplifier (SOA) for spectrum-sliced incoherent light sources. A noise reduction
The success of long-haul optical communications and our information society is largely due to the invention of the erbium-doped fiber amplifier.
The telecommunications industry represents the largest market segment driving demand for high-speed low-noise photodetectors, particularly in fiber-optic communication systems. Modern data
Particularly, we investigate the impact of noise effects on the SOA behavior by measuring the gain, the optical signal to noise ratio and the noise figure, referring to numerical simulations.
As the amplifier noise depends on the number of modes involved, using a single-mode fiber is advantageous. Low-frequency excess noise may be caused by
Abstract—Analytical method of noise in the semiconductor optical amplifier (SOA) has not been established yet.
The main source of noise in the optical field in a semiconductor optical gain medium is the spontaneous emission of photons by recombination of
We perform a theoretical investigation of two modeling approaches for the amplified spontaneous emission (ASE) noise of a semiconductor optical amplifier (SOA), namely a stochastic
While semiconductor amplifiers have largely displaced valve amplifiers for low-power applications, valve amplifiers can be much more cost effective in high power
Amplifier emitted optical noise Faithfully reproduces input signal with minimal distortion Can be used as a linear repeater by periodically boosting optical power Can be used in nonlinear region as a level
Abstract: Characteristics of the intensity noise, the phase noise, the frequency noise, and the spectral linewidth in the semiconductor optical amplifier (SOA) and the erbium doped fiber amplifier (EDFA)
A review is presented of noise and noise reduction in light sources and optical amplifiers of current interest, including lasers, LEDs, luminescence
An experimental and theoretical study is presented for the transmission and noise characteristics of semiconductor optical amplifiers (SOAs). This device is very relevant in the novel
ABSTRACT Spontaneous emission is a major source of noise in semiconductor lasers. The noise phenomena such as oise, and laser linewidth are discussed by using the Langevin rate equations.
A thorough simulation and evaluation of phase noise for optical amplification using semiconductor optical amplifier (SOA) is very important for predicting its performance in differential
In-line amplifiers: Periodically amplify signal due to fiber attenuation, high G, high Psat. An illustration of the effective gainis given below. Note the presence of a gain peak around 1530nm and a semi-flat
However, spectrum-sliced methods exhibit a large excess intensity noise factor that limits the performance of the system. In this paper, we investigate noise suppression of spectrum-sliced
Analytical method of noise in the semiconductor optical amplifier (SOA) has not been established yet. The basic problem is how introduce quantized optical field with the Langevin noise sources in the
The semiconductor optical amplifier (SOA) is one of the important optical devices having the high gain, the small size and making integration with the semiconductor laser.