Optical

RSS

Tutorial Fibercom Clock Timing - A Review of PLL Solutions Bar-Giora Goldberg Peregrine Semiconductor Corp. San Diego, CA The fiber optics telecommunications market (called here photonics) has experienced huge growth in the last few years. Being a two-level digital transmission format, the requirements for clocking, timing, retiming and sometimes...

Product Feature A Low Cost Oscillator for Fiber-optic Applications A new, low cost oscillator has been introduced for use in synchronous optical network (SONET/SDH) OC-192 applications. The new frequency source utilizes an ultra-low noise active device technology that allows the oscillator to achieve very low overall phase noise performance....

Technical Feature A Distributed Amplifier for 40 Gbps Fiber-optic Communications Systems H. Shigematsu, M. Sato, T. Hirose and Y. Watanabe Fujitsu Laboratories Ltd. Atsugi, Japan In recent years, the rapid development of multimedia communications has generated a strong demand for high speed and high capacity transmission systems. Wavelength-division multiplexing...

Technical Note Design and Prototyping of a Transimpedance Front-end Amplifier for Dense Wavelength Division Multiplexing Circuits As part of the development of an optical power monitor for use in dense wavelength division multiplexing (DWDM) circuits, the effectiveness of a logarithmic operational amplifier transimpedance front-end amplifier was investigated, and the...