Journal Club

6/21/17:

Journal Name	Article Title	Description
Nature Photonics	Fast silicon photodiodes	Interesting summary of photodiode technology and limitations. Can response time be increased without sacrificing sensitivity?
Nature Photonics	Spatial beam self-cleaning in multimode fibres	The Kerr effect caused by high intensity beams can result in more light coupling into the fundamental mode of a multi-mode fiber, causing minimal beam speckling at the output.
Science	Quantum sensing with arbitrary frequency resolution	NV centers in diamond are used to detect the frequency of oscillating magnetic fields with submillihertz resolution.
Physical Review Letters	Self-Similar Nanocavity Design with Ultrasmall Mode Volume for Single-Photon Nonlinearities	By coupling light into a cavity with an extremely small mode volume, nonlinear optical effects can be observed with very small numbers of photons.
Physical Review Letters	Ultrafast Magnetization of a Dense Molecular Gas with an Optical Centrifuge	A new technique allows for magnetization of much denser gases than was previously possible.
Journal of Computational Physics	Constructing non-reflecting boundary conditions using summation-by-parts in time	An alternate technique for constructing non-reflecting boundaries, supposedly simpler than current techniques such as perfectly-matched layers (PMLs).
Nature Communications	[ https://www.nature.com/articles/ncomms15610 Harnessing speckle for a sub-femtometer resolved broadband wavemeter and laser stabilization]	They demonstrate speckle-pattern based wavemeter with about 1 MHz frequency resolution
Nature Communications	[ https://www.nature.com/articles/ncomms15849?WT.feed_name=subjects_physical-chemistry Observing electron localization in dissociating H2+ molecule in real time]	They use pump-probe technique with CEP stabilized ~5 fs long pulses to probe dissociation dynamics of H2+ in femtosecond time scales
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