U2t Photonics AG, a provider of optoelectronic components, today announced a fast balanced photo detector offering a 3 decibel (dB) bandwidth of 70 gigahertz (GHz). The device supports systems for next generation networks using 400 gigabits per second (Gbit/s) or 1 terabit per second (Tbit/s) coherent detection-based optical transmission.
The BPDV3120R complements U2t’s product portfolio of high-speed photo detectors and receivers. The optical front end, consisting of a monolithic balanced photo-detector chip with on-chip biasing, has been successfully tested in a system environment and will be used in test and measurement (T&M) equipment, such as optical modulation analysers, for the test of next generation coherent network components and modules.
The coaxial single-ended output can detect up to 64 gigabaud (GBaud) polarisation diversity quadrature amplitude modulation (x-QAM) signals featuring highly reliable results for common mode rejection ratio, linearity and optical input power. Therefore, the device can be used in next generation long-haul transmission systems at data rates of 400 Gbit/s and beyond. The BPDV3120R is also suited for ongoing research and development (R&D) activities at high Baud rates.
U2t started sampling the BPDV3120R in March 2013 and will start production in June.
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