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Care‐Based Disruption, Creative Practice and Collaborative Empathetic Histories
History, EarlyView.Abstract This Forum essay examines the value of collaboration when creatively engaging with history as a means of developing empathy, care, and understanding. Creative and collaborative histories provide space to address the harmful misconceptions and preconceptions entangled in capitalist and colonial narratives.
SIERRA MCKINNEY, KATHERINE COOK
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International Journal of Urban and Regional Research, EarlyView.Abstract This article examines how sustainability is mobilized as a governance strategy in large‐scale urban redevelopment. Focusing on the RIVUS Mall project in Cluj‐Napoca, alongside comparative cases from Bratislava and Gdańsk, it traces how environmental objectives are translated into institutional practices, planning rationales, and financial ...
MIHAI IACOB
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Scheme of coherent optical chaos communication
Optics Letters, 2020We propose and numerically demonstrate a scheme of coherent optical chaos communication using semiconductor lasers for secure transmission of optical quadrature amplitude modulation (QAM) signals. In this scheme, a laser intensity chaos and its delayed duplicate are used to amplitude-quadrature modulate a continuous-wave light to generate a chaotic ...
Longsheng Wang +6 more
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Coherent Optical Communication Technology
Optical Fiber Communication Conference, 2015This tutorial lecture discusses fundamentals of the coherent optical communication technology. It covers quantum mechanical understanding of coherent (heterodyne and homodyne) detection, optical circuits for coherent receivers, and digital signal processing for coherent communications.
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Optical Coherence Multiplexing For Interprocessor Communications
SPIE Proceedings, 1990The development of an optical circuit that multiplexes gigabitper-second electronic data streams into a very broad bandwidth (greater than 10 Gbit/s) optical signal would greatly enhance interprocessor communications in a parallel computer. One possibility that we are investigating is coherence multiplexing.
Kwong W. Chu, Fred M. Dickey
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Coherent Optical Communication
Asia Optical Fiber Communication and Optoelectronic Exposition and Conference, 2008Optical coherent receivers with subsequent DSP show great promise as enabling technologies for ultra-high information rate optical transmission systems. DSP alleviates the need to lock the phases of the LO and transmitter signal, which is one of the limiting factors for the use of coherent receivers in the optical domain.
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Coherent optical communication
International Zurich Seminar on Digital Communications, Electronic Circuits and Systems for Communications., 2002Activities associated with the development of coherent optical communication systems for application in future public broadband networks are reviewed. It is pointed out that the main future transmission medium, the optical single-mode fiber, provides an extremely high bandwidth which will have to be utilized when high-capacity-demanding digital ...
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The Age of Optical Coherent Communication
Conference on Lasers and Electro-Optics 2012, 2012Recent emergence of coherent optical modem has solved a number of difficult problems in optical transmission, resulting in 10× increase in capacity. The latest research of super-channels further increases spectral efficiency and network flexibility.
Kuang-Tsan Wu +14 more
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Coherent Optical Communication
Seventh Topical Meeting on Integrated and Guided-Wave Optics, 1984Virtually all fibre transmission systems up to the present have used simple intensity modulation of the transmit laser, most frequently in the form of binary ON/OFF modulation. At the receiver, incoming optical power has been converted directly to photocurrent in a photodetector.
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A Review of Coherent Optical Communication
MILCOM 1985 - IEEE Military Communications Conference, 1985Coherent optical communications for fiber transmission media are being seriously considered for both commercial and military applications. A variety of modulation schemes have been examined both in the laboratory and in field trials to verify the feasibility of this transmission technique using optical fibers.
Gerd E. Keiser +2 more
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