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We report on 107 Gb/s transmission using an integrated ETDM receiver, which comprises 1:2-demultiplexing and clock & data recovery on a single chip. The ETDM receiver was tested successfully in a transmission experiment over 480 km dispersion managed fiber and in a 160 km full ETDM field trial.
Current 100-Gbit/s full-electrical time division multiplex (ETDM) transmission technologies are examined. The focus is on the electrical and electro-optical components, the state-of-the-art and the still existing bottle necks, mainly regarding the formats on-off keying (OOK) and differential quadature-phase shift keying (DQPSK). But also a comparative look on a promising rival solution with non-full...
Waveguide integrated photodetectors with 100 GHz bandwidth were developed. Different transmission experiments have demonstrated their capability for 107 Gbit/s applications. Design and results for separately packaged photodiodes and co-packaged receivers with 1 x 2 demultiplexer are shown.
Solutions to transmit 100 gigabit Ethernet signals (GbE) over hundred or more kilometers are discussed. An overview of experimental ges 100 Gb/s ETDM approaches is given and the suitability of various modulation formats is evaluated.
107-Gb/s full-ETDM transmission is shown over a 160-km field installed fiber link. A high tolerance towards narrowband optical filtering is demonstrated using vestigial sideband modulation to minimize the spectral width.
A monolithic microwave frequency divider IC with an operating range of 1.4?5.3 GHz was developed and fabricated in a standard bipolar technology. The circuit operates on the principle of `regenerative frequency division?. Compared to the most popular divider concepts based on a master-slave D-flip-flop, an almost twice as high input frequency can be divided, provided that the same technology is used...
A monolithic microwave frequency divider IC with an operating range of 1.4 - 5.3 GHz was developed and fabricated in a standard bipolar technology. The circuit operates on the principle of "regenerative frequency division". Compared to the more popular divider concepts based on a master-slave D-flip-flop, a much higher input frequency can be divided. A further advantage is the low power...
A versatile integrated bipolar circuit developed for a broadband communication system is described. It consists of a master/slave D-flip-flop with a 2:1 time-division multiplexer at the input and a powerful buffer stage at the output. Despite realisation in a relatively simple bipolar technology, bit rates up to 1.5 Gbit/s (NRZ) were measured.
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