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A record spectral efficiency of 6.5 b/s/Hz over 6600 km is demonstrated using quasi-single-mode transmission over 101.6-km long hybrid few-mode and single-mode spans with high launch power.
WDM Transmission using PDM-8QAM-OFDM and PDM-16QAM-OFDM modulations over 10,181km and 4,242km are successfully demonstrated. Up to 0.5dB Q-factor improvement can be achieved from nonlinearity compensation for self-phase modulation (SPM) using back-propagation method.
Low complexity SPM compensation is experimentally demonstrated in WDM transmission over inhomogeneous dispersion-managed links with and without Raman amplification. Significant performance increase can be achieved with the longest reported backward-propagation step-size of 530 km.
In this paper, a new variable inductor with electrostatic actuators was proposed and was fabricated using surface micromachining microelectromechancal systems (MEMS) technology. The variable inductor consists mainly of planar spiral inductor, the shielding metal plate above the spiral inductor, and the electrostatic-driven capacitive actuators. In order to enhance the tuning range of the variable...
A high-performance three-dimensional (3-D) microinductor was fabricated by using MEMS technology. This inductor has an air core and copper coils. The measurement results show that this inductor has high quality (Q) factor over wide range of operating frequency and high fres (self-resonant frequency). The maximum Q-factor of this inductor is 38 (@6 GHz) and the inductance is 1.81 nH at peak-Q frequency.
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