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Coherent Optical Communication

Seventh Topical Meeting on Integrated and Guided-Wave Optics, 1984
Virtually 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, 1985
Coherent 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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Coherent Optical Communications

20th European Microwave Conference, 1990, 1990
A variety of coherent optical communications are reviewed in comparison with microwave communications.
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Modern coherent optical communications

2006 Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference, 2006
Coherent systems can achieve better spectral efficiency, and better sensitivity than conventional on-off keying systems. This paper reviews recent research efforts and examines future possibilities in the field.
Leonid G. Kazovsky, Georgios Kalogerakis
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Coherent Optical Fiber Communications

Journal of Modern Optics, 1989
(1989). Coherent Optical Fiber Communications. Journal of Modern Optics: Vol. 36, No. 4, pp. 552-552.
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Adaptive Optics for the Atmospheric Coherent Optical Communications

Imaging and Applied Optics 2015, 2015
We present the results that the mixing efficiency and the bit-error-rate of the atmospheric coherent optical communications improved by a real 127-actuators adaptive optics system operating on 1550nm wavelength on a 1.8m telescope.
Chao Liu   +4 more
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Homodyne coherent optical receiver for intersatellite communication

Applied Optics, 2018
For increasing the data rate and reducing the power consumption in satellite communication systems, free-space optical communication technology has been verified as an attractive alternative to traditional radiofrequency communication systems. In this study, a high-sensitivity homodyne coherent optical receiver was demonstrated. A sensitivity of -59.2  
Chaolei, Yue   +7 more
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Coherent Optical Communication Systems

IETE Journal of Education, 1997
This paper presents an overview of coherent optical fiber communication systems. The fundamental principle is described and the performance limits under shot noise limited operation for various modulation and demodulation schemes are compared with respect to the quantum limit.
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Coherent optical fiber communications

SPIE Proceedings, 1991
The very high detection sensitivities and selectivities associated with coherent lightwave techniques furnish a basis for the exploitation of the great potential bandwidth of single-mode fibers in point-to-point and point-to-multipoint transmission.
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