Semiconductor optical amplifiers: recent advances and applications
Deepa Venkitesh,Laura Dybyssova +1 more
TLDR
In this article , the basic functioning of an optical amplifier and distortions of coherent signals when used as amplifiers are discussed, and optical signal processing techniques enabled by SOAs with an emphasis on all-optical wavelength conversion, optical phase conjugation, and phase quantization of coherent optical signals.Abstract:
Owing to advances in fabrication technology and device design, semiconductor optical amplifiers (SOAs) are evolving as a promising candidate for future optical coherent communication links. This review article focuses on the fundamentals and broad applications of SOAs, specifically for optical channels with advanced modulation formats, as an integrable broadband amplifier in commercial transponders and as a nonlinear medium for optical signal processing. We discuss the basic functioning of an SOA and distortions of coherent signals when SOAs are used as amplifiers. We first focus on the techniques used for low-distortion amplification of phase-modulated signals using SOAs. Then we discuss optical signal processing techniques enabled by SOAs with an emphasis on all-optical wavelength conversion, optical phase conjugation, and phase quantization of coherent optical signals. read more
Citations
More filters
Journal ArticleDOI
An Introduction to Nonlinear Integrated Photonics: Structures and Devices
TL;DR: In this paper , the main physical processes involved in nonlinear photonics applications and discuss the fundaments of this research area are introduced and a summary of the traditional and innovative nonlinear materials is presented.
Journal ArticleDOI
Quantitative study of birefringence effects in fiber-based orthogonal-pump FWM systems.
TL;DR: In this paper , a quantitative study of the effects of birefringence in orthogonal-pump four-wave mixing systems, and identify different regions of operation of the optical fiber, mainly determined by the relative magnitude between the physical length L and beat length Lb.
Journal ArticleDOI
Wideband ultra-low intensity noise reduction via joint action of gain saturation and out-of-phase polarization mixing effect from a semiconductor optical amplifier.
Qilai Zhao,Wei-Cheng Lin,Yuxin Sun,Chun Zeng,Changsheng Yang,Kaijun Zhou,Yu Zhang,Li Li,Zhouming Feng,Xiaoming Wei,Zhongmin Yang,Shanhui Xu +11 more
TL;DR: In this paper , the vector dynamics of optical amplifiers were analyzed and developed to explore its mechanism of intensity noise suppression, and the proposed approach of RIN suppression was termed as out-of-phase polarization mixing (OPM).
Journal ArticleDOI
Mitigation of SOA-Induced Nonlinearities with Recurrent Neural Networks in 75 Gbit/s/λ PAM-4 IM/DD WDM-PON Transmission Systems
TL;DR: In this article , a machine learning-based nonlinear equalizer termed as a recurrent neural network (RNN) was proposed to compensate for the nonlinear impairments of SOA-induced nonlinear distortions during single and multi-wavelength amplification in the optical distribution networks.
Journal ArticleDOI
Wideband SOA fiber-to-fiber gain and saturation output power in the C-band: impact of characteristic parameters
Arwa H. Beshr,Moustafa H. Aly +1 more
TL;DR: In this article , a comprehensive model of output saturation power and fiber-to-fiber gain of wideband SOAs was presented, and the impact of bias current, input signal power, temperature, and amplifier length on the fibertofiber gains spectrum in the C-band was investigated.
References
More filters
Journal ArticleDOI
Quantum limits on noise in linear amplifiers
TL;DR: In this paper, a multimode analysis of phase-sensitive linear amplifiers is presented, where a lower bound on the noise carried by one quadrature phase of a signal and a corresponding lower limit on the amount of noise that a high-gain linear amplifier must add to another is established.
Journal ArticleDOI
Self-phase modulation and spectral broadening of optical pulses in semiconductor laser amplifiers
Govind P. Agrawal,N.A. Olsson +1 more
TL;DR: In this paper, the effect of the shape and the initial frequency chirp of input pulses on shape and spectrum of amplified pulses is discussed in detail and the case in which the input pulsewidth is comparable to the carrier lifetime so that the saturated gain has time to recover partially before the trailing edge of the pulse arrives.
Journal ArticleDOI
Routing and wavelength assignment in all-optical networks
TL;DR: The authors derive an upper bound on the carried traffic of connections for any routing and wavelength assignment (RWA) algorithm in a reconfigurable optical network and quantifies the amount of wavelength reuse achievable in large networks as a function of the number of wavelengths, number of edges, and number of nodes for randomly constructed networks as well as de Bruijn networks.
Journal ArticleDOI
Optical phase-shift-keyed transmission
Alan H. Gnauck,Peter J. Winzer +1 more
TL;DR: Differential-phase-shift keying has recently been used to reach record distances in long-haul lightwave communication systems and theoretical as well as implementation aspects of DPSK are reviewed.
Journal ArticleDOI
Wavelength conversion technologies for WDM network applications
TL;DR: In this paper, the authors present a review of various wavelength conversion techniques, discusses the advantages and shortcomings of each technique, and addresses their implications for transparent WDM networks, and discuss their potential advantages over the optoelectronic counterpart.
Related Papers (5)
Semiconductor optical amplifiers: recent advances and applications
Deepa Venkitesh,Laura Dybyssova +1 more