65 Squeezed light from a silicon micromechanical resonator.
http://www.nature.com/nature/journal/v500/n7461/full/nature12307.html
64 Four spectrally distinct near-infrared fluorescent proteins based on bacterial phytochromes are described, expanding the possibilities for multicolor in vivo imaging experiments in nontransparent organisms.
http://www.nature.com/nmeth/journal/v10/n8/abs/nmeth.2521.html
63 Two incoherently superimposed orthogonal standing waves are used to create a pattern of 116,000 'doughnuts' for fast, highly parallelized coordinate-targeted super-resolution microscopy of living cells, with a large field of view.
http://www.nature.com/nmeth/journal/v10/n8/abs/nmeth.2556.html
62 Researchers demonstrate a laser interferometer that achieves simultaneous nonclassical readout of two conjugated observables. Because their system uses steady-state entanglement, it does not require any conditioning or post-selection. By distinguishing between scientific and parasitic signals, its sensitivity exceeds the standard quantum limit by about 6 dB.
http://www.nature.com/nphoton/journal/v7/n8/abs/nphoton.2013.150.html
61 Squeezed states of light have been experimentally demonstrated to improve the performance of the Laser Interferometer Gravitational-wave Observatory (LIGO) in astrophysically relevant frequency regions. This enhanced performance may help to reach the sensitivity required for detecting gravitational waves.
http://www.nature.com/nphoton/journal/v7/n8/abs/nphoton.2013.177.html
60 An ultrafast terahertz (THz) scanning tunnelling microscope (STM) with subpicosecond time resolution and nanometre spatial resolution has been developed.
http://www.nature.com/nphoton/journal/v7/n8/abs/nphoton.2013.151.html
59 Tenfold reduction of Brownian noise in high-reflectivity optical coatings.
http://www.nature.com/nphoton/journal/v7/n8/abs/nphoton.2013.174.html
58 A digital laser for on-demand laser modes.
http://www.nature.com/ncomms/2013/130802/ncomms3289/full/ncomms3289.html
57 High-speed panoramic light-sheet microscopy reveals global endodermal cell dynamics.
http://www.nature.com/ncomms/2013/130725/ncomms3207/full/ncomms3207.html
56 Frequency-agile, rapid scanning spectroscopy requires no mechanical motion and provides a scanning rate of 8 kHz per cavity mode at a sensitivity of ~2 × 10-12 cm-1 Hz-1/2, with a scanning range that exceeds 70 GHz. This technique is promising for fast and sensitive trace gas measurements and chemical kinetic studies.
http://www.nature.com/nphoton/journal/v7/n7/abs/nphoton.2013.98.html
55 Joining the quantum state of two photons into one.
http://www.nature.com/nphoton/journal/v7/n7/abs/nphoton.2013.107.html
54 Phase-conjugated twin waves for communication beyond the Kerr nonlinearity limit.
http://www.nature.com/nphoton/journal/v7/n7/full/nphoton.2013.109.html
53 A hybrid high-speed atomic force–optical microscope for visualizing single membrane proteins on eukaryotic cells.
http://www.nature.com/ncomms/2013/130716/ncomms3155/full/ncomms3155.html
52 Ultrasensitive fluorescent proteins for imaging neuronal activity.
http://www.nature.com/nature/journal/v499/n7458/full/nature12354.html
51 Fluorescent microscopy beyond diffraction limits using speckle illumination and joint support recovery.
http://www.nature.com/srep/2013/130625/srep02075/full/srep02075.html
50 A continuous-wave Raman silicon laser with a photonic-crystal nanocavity less than ten micrometres in size and an unprecedentedly low lasing threshold of one microwatt is demonstrated, showing that the integration of all-silicon devices into photonic circuits may be possible.
http://www.nature.com/nature/journal/v498/n7455/full/nature12237.html
49 Direct Imaging of Covalent Bond Structure in Single-Molecule Chemical Reactions.
http://www.sciencemag.org/content/340/6139/1434.abstract
48 A Raman-based endoscopic strategy for multiplexed molecular imaging.
http://www.pnas.org/content/110/25/E2288/1.full
47 Directionally Hiding Objects and Creating Illusions at Visible Wavelengths by Holography.
http://www.nature.com/srep/2013/130612/srep01974/full/srep01974.html
46 Chemical mapping of a single molecule by plasmon-enhanced Raman scattering.
http://www.nature.com/nature/journal/v498/n7452/full/nature12151.html
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