Variable carrier reduction in radio-over-fiber systems for increased modulation efficiency using a Si_3N_4 tunable extinction ratio ring resonator | Zendy

Andreas Perentos | Zendy; F. Cuesta-Soto | Zendy; Manuel Rodrigo | Zendy; A. Canciamilla | Zendy; B. Vidal | Zendy; Luigi Pierno | Zendy; Amadeu Griol | Zendy; N. S. Losilla | Zendy; Laurent Bellières | Zendy; Francisco Lopez-Royo | Zendy; Andrea Melloni | Zendy; Stavros Iezekiel | Zendy

Open Access

Variable carrier reduction in radio-over-fiber systems for increased modulation efficiency using a Si_3N_4 tunable extinction ratio ring resonator

Author(s) -

Andreas Perentos,

F. Cuesta-Soto,

Manuel Rodrigo,

A. Canciamilla,

B. Vidal,

Luigi Pierno,

Amadeu Griol,

N. S. Losilla,

Laurent Bellières,

Francisco Lopez-Royo,

Andrea Melloni,

Stavros Iezekiel

Publication year - 2012

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.20.025478

Subject(s) - extinction ratio , optics , materials science , modulation (music) , band stop filter , resonator , radio over fiber , extinction (optical mineralogy) , optical fiber , reduction (mathematics) , filter (signal processing) , optoelectronics , physics , acoustics , wavelength , low pass filter , engineering , electrical engineering , geometry , mathematics

Variable optical carrier reduction via the use of a Si(3)N(4) ring resonator notch filter with tunable extinction ratio is demonstrated in a 10 GHz radio-over-fiber system for improving the modulation efficiency. The extinction of the filter notch is tuned with micro-heaters, by setting the Mach-Zehnder coupler of the ring. Experimental results showing a modulation depth improvement of up to 20 dB are provided.

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