Simultaneous suppression of IMD2 and IMD3 in analog electroabsorption modulation | Zendy

Sohn SungIl | Zendy; Han SangKook | Zendy

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Simultaneous suppression of IMD2 and IMD3 in analog electroabsorption modulation

Author(s) -

Sohn SungIl,

Han SangKook

Publication year - 2001

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.1182

Subject(s) - spurious free dynamic range , modulation (music) , microwave , optoelectronics , voltage , materials science , optics , optical power , physics , electrical engineering , telecommunications , engineering , laser , acoustics , cmos

A linearized optical modulation scheme using a dual parallel electroabsorption modulator (EAM) and an RF 180° hybrid junction is proposed. The IMD2 generated by each EAM is suppressed by controlling the dc bias voltage of the EAM, and the IMD3 is suppressed by having a proper input optical power split ratio and an RF 180° hybrid junction. Reductions of both the IMD2 and the IMD3 at the same operation voltage were achieved, and a subsequent SFDR enhancement of 29 dB was obtained. © 2001 John Wiley & Sons, Inc. Microwave Opt Technol Lett 29: 373–376, 2001.

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