Thomas R. Schibli
doi:10.1038/nphoton.2009.150
A spectroscopic method that combines the accuracy of optical frequency combs with the rapid tuning of an external-cavity diode laser opens the door to fast, broadband spectral characterization.
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Quantum optics: Putting quantum memories on ice pp497 - 498
Josh Nunn
doi:10.1038/nphoton.2009.152
A new idea for 'freezing-out' unwanted losses in an atomic memory could make it possible to store light pulses on-chip for several minutes, increasing the capability of optical quantum computing.
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Nanophotonics: Probing near-field thermal radiation pp492 - 494
Achim Kittel
doi:10.1038/nphoton.2009.151
New insights into the behaviour of radiative heat transfer at the nanoscale have now been made, thanks to highly precise measurements made using scanning probe microscopy.
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Radiative heat transfer at the nanoscale pp514 - 517
Emmanuel Rousseau, Alessandro Siria, Guillaume Jourdan, Sebastian Volz, Fabio Comin, Joel Chevrier and Jean-Jacques Greffet
doi:10.1038/nphoton.2009.144
Radiation transfer on the nanoscale across gaps varying between 30 nm and 2.5 µm is investigated experimentally. The enhancement of heat transfer by evanescent wave contributions may pave the way for the design of sub-micrometre nanoscale heaters and radiators.
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Thermoelectric coolers pp541 - 542
Neil Savage
doi:10.1038/nphoton.2009.158
Cooling and stabilizing the temperature of optoelectronic devices, such as semiconductor diode lasers and photodetectors, is often important for optimizing their performance. Neil Savage looks at thermoelectric coolers based on the Peltier effect that are designed for this task.
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