The world of nanosensors may be physically small, but the demand is large and growing, with little sign of slowing. Researchers have designed a new type of laser called a quantum dot ring laser that emits red, orange, and green light. Recent research from Kumamoto University in Japan has revealed that polyoxometalates (POMs), typically used for catalysis, electrochemistry, and photochemistry, may also be used in a technique for analyzing quantum dot (QD) photoluminescence (PL) emission mechanisms. Photoresponsive flash memories made from organic field-effect transistors (OFETs) that can be quickly erased using just light might find use in a host of applications, including flexible imaging circuits, infra-red sensing memories and multibit-storage memory cells. University of Toronto Engineering researchers have combined two emerging technologies for next-generation solar power-and discovered that each one helps stabilize the other. A workshop on exploring extreme-field QED and the physics phenomena it creates will be held at SLAC in late summer. Physicists in China and Austria have shown for the first time they can teleport multi-dimensional states of photons. The results pave the way for future research on quantum teleportation involving spin states of all matter, not just photons, and provide more evidence for the surprisingly useful capabilities of individual electrons in qubit semiconductors.
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