Wavelength-division-multiplexing (WDM) technology is now recognized as one of the key
technologies in optical communications systems. This is because it has great potential to …

What is" digital telephony"? To the authors, the term digital telephony denotes the
technology used to provide a completely digital telecommunication system from end-to-end …

The pulse width modulation (PWM) technique has been revisited and analyzed to evaluate
its merits for application to analog signal transmission in fiber-optic links. Fourier analysis of …

The technical feasibility of applying a fiber-optic multilevel QAM (quadrature amplitude
modulation) subcarrier multiplexing scheme to a multichannel conventional TV signal …

One-and two-way 6.3 Mbit/s optical transmission systems employing wavelength-division-
multiplexing (WDM) are designed for application to telephone networks. Multiplexing at two …

An overview is given of recent development of subscriber optical cable technologies in
Japan. Technologies for constructing a star network using high count fiber cable have been …

This paper examines the evolving relationships between telephone and cable companies in
light of changes in video distribution technologies, costs and regulations. It covers the …

In this paper we analyze the design of biasing and control circuits for semiconductor lasers
in a generalized context based on an idealized laser characteristic. In particular, we address …

Demand for high-speed wide-band telecommunication services is rapidly growing due to the
remarkable progress in office, factory, and laboratory automation. These services are …

This paper describes the design principles and performance of optical multi/demultiplexers
(MUX/DEMUX's) in wavelength-division multiplexing (WDM) subscriber-loop systems over a …