Optical I/Q modulation utilizing dual-drive MZM for fiber-wireless integration system at Ka-band

Fan Li, Zibin Li, Dongdong Zou, Xiaohui Feng, Li Ding, Zizheng Cao (Corresponding author), Zhaohui Li

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

Uittreksel

In this Letter, a fiber-wireless integration system at K a-band adopting heterodyne coherent detection is proposed and experimentally demonstrated. Optical I/Q up-conversion is realized with a low-cost dual-drive Mach–Zehnder modulator (DD-MZM) instead of the traditional I/Q nested MZM. To avoid non-convergence during constant-modulus-algorithm-based equalization, DC elimination is applied to suppress the ultra-high peak in the frequency domain after frequency down-conversion and symbol-phase-average-processing-based coarse phase noise estimation. Using DD-MZM for optical I/Q modulation, transmission, and reception of single polarization, 20-Gbit/s quadrature phase shift keying (QPSK) over 40-km single-mode fiber (SMF) and 5-m free space at K a-band is demonstrated.

TaalEngels
Pagina's4235-4238
Aantal pagina's4
TijdschriftOptics Letters
Volume44
Nummer van het tijdschrift17
DOI's
StatusGepubliceerd - 1 sep 2019

Vingerafdruk

systems integration
modulators
modulation
quadrature phase shift keying
fibers
elimination
direct current
polarization

Citeer dit

Li, Fan ; Li, Zibin ; Zou, Dongdong ; Feng, Xiaohui ; Ding, Li ; Cao, Zizheng ; Li, Zhaohui. / Optical I/Q modulation utilizing dual-drive MZM for fiber-wireless integration system at Ka-band. In: Optics Letters. 2019 ; Vol. 44, Nr. 17. blz. 4235-4238
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abstract = "In this Letter, a fiber-wireless integration system at K a-band adopting heterodyne coherent detection is proposed and experimentally demonstrated. Optical I/Q up-conversion is realized with a low-cost dual-drive Mach–Zehnder modulator (DD-MZM) instead of the traditional I/Q nested MZM. To avoid non-convergence during constant-modulus-algorithm-based equalization, DC elimination is applied to suppress the ultra-high peak in the frequency domain after frequency down-conversion and symbol-phase-average-processing-based coarse phase noise estimation. Using DD-MZM for optical I/Q modulation, transmission, and reception of single polarization, 20-Gbit/s quadrature phase shift keying (QPSK) over 40-km single-mode fiber (SMF) and 5-m free space at K a-band is demonstrated.",
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Li, F, Li, Z, Zou, D, Feng, X, Ding, L, Cao, Z & Li, Z 2019, 'Optical I/Q modulation utilizing dual-drive MZM for fiber-wireless integration system at Ka-band' Optics Letters, vol. 44, nr. 17, blz. 4235-4238. DOI: 10.1364/OL.44.004235

Optical I/Q modulation utilizing dual-drive MZM for fiber-wireless integration system at Ka-band. / Li, Fan; Li, Zibin; Zou, Dongdong; Feng, Xiaohui; Ding, Li; Cao, Zizheng (Corresponding author); Li, Zhaohui.

In: Optics Letters, Vol. 44, Nr. 17, 01.09.2019, blz. 4235-4238.

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

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Li F, Li Z, Zou D, Feng X, Ding L, Cao Z et al. Optical I/Q modulation utilizing dual-drive MZM for fiber-wireless integration system at Ka-band. Optics Letters. 2019 sep 1;44(17):4235-4238. Beschikbaar vanaf, DOI: 10.1364/OL.44.004235