D. Crivelli, M. Hueda, H. Carrer, Jeff Zachan, V. Gutnik, Martin Del Barco, Ramiro R. Lopez, G. Hatcher, J. Finochietto, Michael Yeo, Andre Chartrand, N. Swenson, P. Voois, O. Agazzi
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引用次数: 44
Abstract
Optical communication technology in long-haul and metropolitan links is experiencing a transition to coherent techniques and high spectral efficiency modulation formats such as dual-polarization (DP) QPSK, DP-QAM and OFDM. The combination of coherent demodulation and DSP allows costly optical signal-processing hardware used to compensate fiber optic impairments such as chromatic dispersion (CD) and polarization-mode dispersion (PMD) to be replaced by DSP-based techniques [1]. Economic large-scale deployment of coherent systems requires the integration of the optical transceiver functions in CMOS technology.
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