We demonstrate high baud-rate DQPSK modulation with full-ETDM technique using a novel
high-speed optical IQ modulator consisting of a ridge-type optical waveguide structure on a …

We discuss the general design concept of lattice optical modulators and detailed
characteristics of a flexible-format modulator with a lattice configuration. Compared to the …

160-Gb/s Orthogonal Time-Frequency Domain Multiplexed QPSK for Ultra-High-spectral-Efficient
Transmission Page 1 160-Gb/s Orthogonal Time-Frequency Domain Multiplexed QPSK for …

We present recent progress of high-speed Mach-Zehnder modulator technologies for
advanced modulation formats. Multi-level quadrature amplitude modulation signal can be …

We propose a polarization-multiplexing QPSK modulator for synthesis of a 16 QAM signal.
The generation mechanism of 16 QAM is based on an electro-optic vector digital-to-analog …

The rapid advancement of data center technologies has blurred the boundaries among short
reach, access, metro, long haul, and trans-oceanic fiber optic transmission networks. The …

To meet the increasing demand to expand wavelength division multiplexing (WDM)
transmission capacity, ultrahigh spectral density coherent optical transmission employing …

We propose a novel method to measure chirp of an electro-absorption modulator at any
frequency using optical homodyne quadrature demodulation technique. Chirp parameters …

US7403670B1 - Compact optical modulator - Google Patents US7403670B1 - Compact
optical modulator - Google Patents Compact optical modulator Download PDF Info …

This paper describes impact of wave propagation speed on latency in data transmission
systems. The wave propagation in conventional optical fibers is slower than in vacuum. Low …