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Linearized analog photonic links based on a dual-parallel polarization modulator |
Optics Letters, Vol. 37, Issue 11, pp. 1823-1825 (2012)
http://dx.doi.org/10.1364/OL.37.001823
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Abstract
A linearized analog photonic link (APL) is proposed based on an integratable electro-optic dual-parallel polarization modulator (DPPolM), which consists of two polarization beam splitters and two polarization modulators (PolMs). Theoretical analysis shows that the APL is potentially free from the third-order nonlinear distortion if a polarization controller placed before the DPPolM is carefully adjusted. A proof-of-concept experiment is carried out. A reduction of the third-order intermodulation components as high as 40 dB and an improvement of the spurious-free dynamic range as large as 15.5 dB is achieved as compared with a single PolM-based link. The DPPolM-based APL is simple, compact, and power efficient since it requires only one laser, one modulator, and one photodetector.
© 2012 Optical Society of America
OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(070.1170) Fourier optics and signal processing : Analog optical signal processing
(350.4010) Other areas of optics : Microwaves
ToC Category:
Fiber Optics and Optical Communications
History
Original Manuscript: December 2, 2011
Revised Manuscript: February 16, 2012
Manuscript Accepted: March 20, 2012
Published: May 18, 2012
Citation
Menghao Huang, Jianbin Fu, and Shilong Pan, "Linearized analog photonic links based on a dual-parallel polarization modulator," Opt. Lett. 37, 1823-1825 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-11-1823
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