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April 9, 2022 07:34 pm
Original Link: https://hardware.slashdot.org/story/22/04/09/1731252/harvard-researchers-build-the-first-integrated-laser-on-a-lithium-niobate-chip?utm_source=rss1.0m
Harvard Researchers Build the First Integrated Laser on a Lithium Niobate Chip
Harvard University's school of engineering has an announcement. "For all the recent advances in integrated lithium niobate photonic circuits — from frequency combs to frequency converters and modulators — one big component has remained frustratingly difficult to integrate: lasers..."Long haul telecommunication networks, data center optical interconnects, and microwave photonic systems all rely on lasers to generate an optical carrier used in data transmission. In most cases, lasers are stand-alone devices, external to the modulators, making the whole system more expensive and less stable and scalable. Now, researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) in collaboration with industry partners at Freedom Photonics and HyperLight Corporation, have developed the first fully integrated high-power laser on a lithium niobate chip, paving the way for high-powered telecommunication systems, fully integrated spectrometers, optical remote sensing, and efficient frequency conversion for quantum networks, among other applications.... "Integrating high-performance plug-and-play lasers would significantly reduce the cost, complexity, and power consumption of future communication systems," said Amirhassan Shams-Ansari, a graduate student at SEAS and first author of the study. "It's a building block that can be integrated into larger optical systems for a range of applications, in sensing, lidar, and data telecommunications." By combining thin-film lithium niobate devices with high-power lasers using an industry-friendly process, this research represents a key step towards large-scale, low-cost, and high-performance transmitter arrays and optical networks. Thanks to Slashdot reader Hari Pota for sharing the story (via Semicounductor Digest)Read more of this story at Slashdot.
Original Link: https://hardware.slashdot.org/story/22/04/09/1731252/harvard-researchers-build-the-first-integrated-laser-on-a-lithium-niobate-chip?utm_source=rss1.0m
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