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Experimental Implementation of an All-Optical Interferometric Drop, Add, and Extract Multiplexer for Superchannels

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TLDR
The experimental implementation of an all-optical ROADM scheme for routing of an individual subchannel within an all -optical OFDM superchannel enables a fully flexible node compatible with future terabit per second superchannel transmission.
Abstract
We present the experimental implementation of an all-optical ROADM scheme for routing of an individual subchannel within an all-optical OFDM superchannel. The different functions required of optical node were demonstrated using interferometric technique with the extraction, drop, and addition of individual subchannel in a ten subchannels optically aggregated signal. The scheme we reported enables a fully flexible node compatible with future terabit per second superchannel transmission.

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Journal ArticleDOI

Fiber-optic transmission and networking: the previous 20 and the next 20 years [Invited]

TL;DR: Focusing on the optical transport and switching layer, aspects of large-scale spatial multiplexing, massive opto-electronic arrays and holistic optics-electronics-DSP integration, as well as optical node architectures for switching and multiplexed of spatial and spectral superchannels are covered.
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Survey of Photonic Switching Architectures and Technologies In Support Of Spatially and Spectrally Flexible Optical Networking {[}Invited]

TL;DR: This tutorial paper surveys the photonic switching hardware solutions in support of evolving optical networking solutions enabling capacity expansion based on the proposed approaches and presents the first cost comparisons, to the knowledge, of the different approaches in an effort to quantify such tradeoffs.
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Roadmap on all-optical processing

TL;DR: The Roadmap is organized so as to put side by side contributions on different aspects of optical processing, aiming to enhance the cross-contamination of ideas between scientists working in three different fields of photonics: optical gates and logical units, high bit-rate signal processing and optical quantum computing.
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All-optical ultrafast switching in a silicon microring resonator and its application to design multiplexer/demultiplexer, adder/subtractor and comparator circuit

TL;DR: In this paper, the possibility of using a silicon waveguide based microring resonator as a nonlinear all-optical switch is described under low power operation through a two-photon absorption effect.
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All-optical multilevel amplitude regeneration in a single nonlinear optical loop mirror

TL;DR: All-optical amplitude regeneration of 4-level pulse amplitude modulated signals (PAM4) based on a single nonlinear optical loop mirror (NOLM) is experimentally demonstrated and an overall EVM improvement of 0.92dB is obtained by optimizing input power and distortion strength.
References
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Journal ArticleDOI

Digital Coherent Optical Receivers: Algorithms and Subsystems

TL;DR: In this article, a theoretical analysis of the dual-polarization constant modulus algorithm is presented, where the control surfaces several different equalizer algorithms are derived, including the decision-directed, trained, and the radially directed equalizer for both polarization division multiplexed quadriphase shift keyed (PDM-QPSK) and 16 level quadrature amplitude modulation (PDm-16-QAM).
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Coherent optical orthogonal frequency division multiplexing

TL;DR: In this article, a coherent optical orthogonal frequency division multiplexing (OFDM) was proposed to combat dispersion in optical media, and it was shown that optical-signal-to-noise ratio penalty at 10 Gbit/s is maintained below 2 dB for 3000 km transmission of standard-singlemode fiber without dispersion compensation.
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On the Performance of Nyquist-WDM Terabit Superchannels Based on PM-BPSK, PM-QPSK, PM-8QAM or PM-16QAM Subcarriers

TL;DR: In this article, the performance of Nyquist-WDM Terabit superchannels implemented using polarization-multiplexed phase shift-keying based on 2 (PM-BPSK) and 4 (PM)-QPSK signal points was investigated through simulations.
Journal ArticleDOI

Error Vector Magnitude as a Performance Measure for Advanced Modulation Formats

TL;DR: Theoretical results and numerical simulations conclude that the EVM is an appropriate metric for optical channels limited by additive white Gaussian noise.
Journal ArticleDOI

Elimination of drift in a single-mode optical fiber interferometer using a piezoelectrically stretched coiled fiber

TL;DR: The feasibility of maintaining a single-mode optical fiber interferometer in quadrature is demonstrated using a servo driven piezoelectrically stretched coiled fiber with stress voltage coefficient of ~27pi rad/V.
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