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Quantum sensors, which detect the most minute variations in magnetic or electrical fields, have enabled precision measurements in materials science and fundamental physics. But these sensors have only...
High-Frequency Chip Brings Researchers Closer to Next Generation Technology（图）
high-frequency chip researchers next generation technology
2017/9/5
A novel, high-frequency electronic chip potentially capable of transmitting tens of gigabits of data per second — a rate that is orders of magnitude above the fastest internet speeds available today —...
New Design Results in Compact,Highly Efficient Frequency Comb
New Design Results Compact Highly Efficient Frequency Comb
2017/3/30
Northwestern Engineering researchers have designed a quantum cascade laser (QCL) frequency comb that is dramatically more efficient than previous iterations. Led by Manijeh Razeghi, researchers i...
Frequency combs are the rulers of light. By counting a wavelength’s many oscillations, they measure distance and time with extraordinary precision and speed.
Since the discovery of optical frequency ...
High-Frequency Cryocooler Is Tiny, Cold and Efficient
cryogenic refrigerator microelectromechanical systems
2007/2/28
February 15, 2007，A new cryogenic refrigerator has been demonstrated at the National Institute of Standards and Technology (NIST) that operates at twice the usual frequency, achieving a long-sought co...