Category Archives: Technology

Photo: Fiber coupled module in the RF laboratory Record speed demonstration of 224 Gbps data transmission VI Systems arranged a record speed demonstration of up to 224 Gbps data transmission using the new generation of 850 nm vertical cavity surface emitting laser (VCSEL).    In the experiment a standard telecom modulation format was used. The setup …

The Ethernet Alliance’s 2020 technology roadmap expects speeds of 800 Gbps and 1.6 Tbps become IEEE standard before 2025. For short reach optical interconnects using multimode fibers VCSEL based transceivers have been the workhorse for many years.  VI Systems launched its first set of ultrahigh speed VCSEL chips for 50 Gbps at 850 nm and …

VI Systems introduces a set of single channel multimode fiber coupled transmitter and receiver test boards for data rates of up to and above 70 Gbit/s in a non-return-to-zero (NRZ) modulation format. The new generation of test boards consist of on the latest 850 nm VIS VCSEL chip, VIS PIN chip photodetector and VIS BiCMOS …

 The US patent office granted the patent with the number US-101,219,35 on the November 6, 2018 to VI Systems. The patent addresses three-dimensional semiconductor nanoheterostructure and method of making same.  The patent US-101,219,35 addresses three-dimensional semiconductor nanoheterostructure and method of making same. It represents an approach to fabricate quantum dots (QDs) with a high density …

VI Systems presents their first circular 850nm VCSEL (vertical cavity surface emitting laser) chip array with 6 emitters which are evenly positioned within a ring circle. The semiconductor device target sensor applications including multicore fiber sensors.    VI Systems presents the circular 850nm multi mode VCSEL chip array with 6 emitters providing 3.5 mW continuous wave …

VI Systems offers the T80-DRV-TB evaluation board with a new generation of single channel laser driver for non-return-to-zero (NRZ) modulation at bit data rates of up to 80 Gbit/s  “ON-OFF” keying (OOK) enabling low latency optical data transmission. The test board features two electrical 1.85 mm high-frequency connectors for differential signal input. The laser driver …

VI Systems publishes the results of a novel type of diode laser which is emitting in the yellow-orange spectral range (599 – 605 nm wavelength). Target applications are medical use, industrial spectroscopic analysis and ultra-high precision optical atomic clock.   VI Systems published the results of prototype manufacturing of solid state diode laser. The lasing in …

VI Systems offers a new set of ultrahigh-speed multi-rate driver and amplifier chips which target applications in data communications at low latency RZ (return-to-zero) and NRZ (non-return-to-zero optical) modulation at bit data rates up to and beyond 50 Gbit/s and in time-of-flight (ToF) sensing at ultimate spatial resolution. These driver and limiting amplifier integrated circuits …

VI Systems demonstrated successfully with their newly developed fiber coupled ultrahigh-speed testboard set with transmission results of > 50 Gbit/s with NRZ modulation. The testboard includes a new generation of 56G VCSEL driver respectively a 56G limiting amplifier chip. The fiber coupling is arrange through active alignment of a PRIZM connector with a FC/PC optic …

 VI Systems launches 56G NRZ VCSEL driver and TIA chips VI Systems offers the first generation of 56 Gbit/s laser driver and amplifier chips which are designed for Non-Return-to-Zero (NRZ) modulation in latency critical optical communication links. VI Systems GmbH launches a set of VCSEL (vertical surface emitting laser) driver and limiting transimpedance amplifier (TIA) …