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We propose dynamic routing and spectrum assignment algorithms for bitrate-flexible lightpaths in OFDM-based optical networks. The novel algorithms enable dynamic spectrum assignment with more… Expand
A carrier phase-shifted (CPS) double sideband (DSB) modulation technique in radio-over-fiber (RoF) system is proposed and experimentally demonstrated. By tuning the biases in a single-drive dual… Expand
We propose a novel approach of traffic grooming in Spectrum-Elastic Optical Path Networks. Higher spectrum efficiency is achieved by our approach comparing with non-traffic-grooming scenario.
We demonstrate a novel microwave photonic filter based on a non-coherent broadband optical source and the variable optical carrier time shift (VOCTS) method. Optical slicing which is essential… Expand
In this letter, the optical carrier-suppressed (OCS) modulation scheme is employed to transmit vector signals in radio-over-fiber systems. The proposed architecture employing the OCS modulation… Expand
A novel OFDM-PON structure based on channel characteristic division is proposed to reduce the sampling and computation requirement at the ONUs. In this method, the preprocessed downstream signal… Expand
We propose a highly linear radio-over-fiber system with low intermodulation distortion (IMD) using a single-drive dual-parallel Mach-Zehnder modulator (SD-DPMZM). The optical carrier is modulated in… Expand
BACKGROUND High mobility group box-1 (HMGB1), a non-histone protein, plays an important role in autoimmune diseases. However, the significance of HMGB1 in the pathogenesis of autoimmune thyroiditis… Expand
The explosive growth of Internet drives the development of high performance router. Applying distributed architecture, today's multi-shelf IP core router can provide flexible switch capacity from… Expand
All-optical format conversion from nonreturn-to-zero on-off keying to binary phase-shift keying is demonstrated in a semiconductor optical amplifier-based nonlinear polarization switch. This… Expand