Adaptive optoelectronic filter for improved optical single sideband generation

An optoelectronic filter to generate optical single sideband (OSSB) signals from carrier-unsuppressed modulations is experimentally shown. Sideband suppression is achieved by applying a phase modulation to the optical input signal, resulting in null intensity distortion on the filtered signal and su...

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Bibliographic Details
Published inIEEE photonics technology letters Vol. 18; no. 2; pp. 415 - 417
Main Authors Fonseca, D., Cartaxo, A.V.T., Monteiro, P.
Format Journal Article
LanguageEnglish
Published New York IEEE 15.01.2006
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Adaptive filters
Adaptive optics
Amplitude modulation
Carriers
Distortion
Modulation
Noise levels
Optical devices
Optical distortion
Optical filter
Optical filters
Optical modulation
optical single sideband (OSSB) signal
Optoelectronics
Phase modulation
phase modulator (PM)
Sidebands
Signal generators
Single sideband
Telecommunications
Wavelengths
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Summary:An optoelectronic filter to generate optical single sideband (OSSB) signals from carrier-unsuppressed modulations is experimentally shown. Sideband suppression is achieved by applying a phase modulation to the optical input signal, resulting in null intensity distortion on the filtered signal and suppression of one of the sidebands. Additionally, the proposed filter ability to generate OSSB signals is wavelength independent. These properties are experimentally shown at 10 Gb/s. Sideband suppression above 18 dB is obtained at 5 GHz apart the optical carrier, with variations not exceeding 2 dB along a wavelength band of more than 25 nm. An eye opening penalty of 4 dB is obtained after transmission along 160 km of standard single-mode fiber.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2005.862368