Monitoring and control of polarization-related impairments in optical fiber systems

AE Willner, SMRM Nezam, L Yan… - Journal of lightwave …, 2004 - ieeexplore.ieee.org
Polarization-related impairments have become a critical issue for high-data-rate optical
systems, particularly when considering polarization-mode dispersion (PMD) and …

Programmable group-delay module using binary polarization switching

L Yan, C Yeh, G Yang, L Lin, Z Chen… - Journal of lightwave …, 2003 - opg.optica.org
We demonstrate the first programmable group-delay module based on polarization
switching. With a unique binary tuning mechanism, the device can generate any differential …

Chromatic dispersion and polarization-mode dispersion monitoring for RZ-DPSK signals based on asynchronous amplitude-histogram evaluation

Z Li, G Li - Journal of lightwave technology, 2006 - ieeexplore.ieee.org
The authors demonstrate in-service channel monitoring of a chromatic dispersion (CD) and
polarization-mode dispersion (PMD) for a return-to-zero differential phase-shift keying (RZ …

Practical solutions to polarization-mode-dispersion emulation and compensation

L Yan, XS Yao, MC Hauer, AE Willner - Journal of lightwave …, 2006 - opg.optica.org
Polarization-mode dispersion (PMD) still remains a challenge for high-data-rate optical-
communication systems. Practical solutions are desirable for PMD emulation, monitoring …

Simultaneous monitoring of both optical signal-to-noise ratio and polarization-mode dispersion using polarization scrambling and polarization beam splitting

LS Yan, XS Yao, Y Shi… - Journal of lightwave …, 2005 - ieeexplore.ieee.org
This paper proposes a simple method to monitor both optical signal-to-noise ratio (OSNR)
and polarization-mode dispersion (PMD) simultaneously using a polarization-scrambling …

Uniformly distributed states of polarization on the Poincaré sphere using an improved polarization scrambling scheme

L Yan, Q Yu, AE Willner - Optics communications, 2005 - Elsevier
We propose a periodic random polarization scrambling scheme that can generate uniformly
distributed output states of polarization (SOPs) on the Poincarè sphere for any arbitrary input …

Analysis of scalable PMD compensators using FIR filters and wavelength-dependent optical power measurements

P Oswald, CK Madsen… - Journal of Lightwave …, 2004 - ieeexplore.ieee.org
We investigate the potential of optical n-stage FIR filter architectures for PMD compensation
(PMDC) based on frequency-dependent optical power monitoring. The measurement …

Polarization mode dispersion controller device and method for its operation

H Bülow, F Buchali - US Patent 7,289,739, 2007 - Google Patents
This type of arrangement and the underlying method of operation have a number of
disadvantages. Above all, the number of control parameters is equal to the number of tuning …

[책][B] Chromatic and polarization mode dispersion monitoring for equalization in optical fiber communication systems

SMRM Nezam - 2004 - search.proquest.com
Critical issues that severely hamper high-bit-rate (≥ 10 Gbit/s/channel) and long-haul
optical fiber communication systems include chromatic dispersion, polarization mode …

An optimal feedforward design for complete PMD compensation up to the second order

G Ouyang, A Eyal, A Yariv - Journal of lightwave technology, 2004 - opg.optica.org
As an extension to a previous paper, this paper describes the optimization of a second-
order, feedforward polarization-mode dispersion (PMD) compensation scheme by reducing …