Journal article
Single-channel 1.28 Tbit/s-525 km DQPSK transmission using ultrafast time-domain optical Fourier transformation and nonlinear optical loop mirror
We demonstrate a single-channel 1.28 Tbit/s-525 km transmission using OTDM of subpicosecond DQPSK signals. In order to cope with transmission impairments due to time-varying higherorder PMD, which is one of the major limiting factors in such a longhaul ultrahigh-speed transmission, we newly developed an ultrafast timedomain optical Fourier transformation technique in a round-trip configuration.
By applying this technique to subpicosecond pulses, transmission impairments were greatly reduced, and BER performance below FEC limit was obtained with increased system margin. Copyright © 2011 The Institute of Electronics, Information and Communication Engineers.
Language: | English |
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Year: | 2011 |
Pages: | 430-436 |
ISSN: | 13444697 , 09168516 and 17451345 |
Types: | Journal article |
DOI: | 10.1587/transcom.E94.B.430 |