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Tata Comm, BIX collaborate for OTN network for Bahrain

Read more about Tata Comm, BIX collaborate for OTN network for Bahrain on Business Standard. Tata Communications and Bahrain Internet Exchange (BIX) have extended their partnership to offer high speed internet connectivity with very low latency for customers in Bahrain. ....

Saudi Arabia , Bahrain Internet Exchange , Tata Communications , Optical Transport Unit , Middle East , Capital Market , Western Asia , Internet Access , Low Latency , Outline Of Bahrain , Internet In Bahrain , Integrated Telecommunications Services Nec , Manageable Data Transport Infrastructure , சவுதி அரேபியா , டாடா தகவல்தொடர்புகள் , நடுத்தர கிழக்கு , மூலதனம் சந்தை , மேற்கு ஆசியா , இணையதளம் நுழைவு , குறைந்த தாமதம் , ஒருங்கிணைந்த தொலைத்தொடர்பு சேவைகள் கழுத்து ,

The indestructible light beam

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IMAGE: A scattering-invariant mode of light is generated by sending a laser beam onto a judiciously configured spatial light modulator (see quadratic pixel array on the left). This modulated beam then.
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Credit: Allard Mosk/Matthias Kühmayer
Why is sugar not transparent? Because light that penetrates a piece of sugar is scattered, altered and deflected in a highly complicated way. However, as a research team from TU Wien (Vienna) and Utrecht University (Netherlands) has now been able to show, there is a class of very special light waves for which this does not apply: for any specific disordered medium such as the sugar cube you may just have put in your coffee tailor-made light beams can be constructed that are practically not changed by this medium, but only attenuated. The light beam penetrates the medium, and a light pattern arrives on the other side that has the same shape as if the medium were not there at all. ....

Wiedner Hauptstra , Stefan Rotter , Jeroen Bosch , Allard Mosk , Utrecht University Netherlands , Institute Of Theoretical Physics , Institute For Theoretical Physics , Allard Mosk At Utrecht University , Utrecht University , Theoretical Physics , Big Dipper , Nature Photonics , Chemistry Physics Materials Sciences , ஸ்டீபன் ரோட்டார் , அலார்ட் மசூதி , அட்ரெக்ட் பல்கலைக்கழகம் நெதர்லாந்து , நிறுவனம் ஆஃப் கோட்பாட்டு இயற்பியல் , நிறுவனம் க்கு கோட்பாட்டு இயற்பியல் , அட்ரெக்ட் பல்கலைக்கழகம் , கோட்பாட்டு இயற்பியல் , பெரியது டிப்பர் , இயற்கை ஃபோட்டானிக்ஸ் , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் ,

Skoltech team used mass spectrometry to study composition of meteorites

Credit: Skoltech
Scientists from Russia and Germany studied the molecular composition of carbonaceous chondrites - the insoluble organic matter of the Murchison and Allende meteorites - in an attempt to identify their origin. Ultra-high resolution mass spectrometry revealed a wide diversity of chemical compositions and unexpected similarities between meteorites from different groups. The research was published in the
Scientific Reports.
Carbonaceous chondrites contain nearly the entire spectrum of organic molecules encountered on Earth, including nucleic acids which might have played a pivotal role in the origin of life. Since the majority of modern meteorites are of nearly the same age as the Earth, their composition should be similar to that of meteorites that bombarded the Earth s surface in ancient times. Just like comets, they can be considered a source of organic compounds which most likely formed the core of the Earth s biosphere. ....

Oleg Kharybin , Alexander Zherebker , Yury Kostyukevich , Evgeny Nikolaev , Alexey Kononikhin , Massachusetts Institute Of Technology , Head Of The Mass Spectrometry Laboratory , Rostock Institute Germany , Moscow State University , Skoltech Center , Skoltech Senior Research Scientist Alexander Zherebker , Mass Spectrometry Laboratory , Vernadsky Institute Of Geochemistry , Solar System , Vernadsky Institute , Analytical Chemistry , Rostock Institute , Data Intensive Science , Skoltech Professor Evgeny Nikolaev , Corresponding Member , Mass Spectrometry , Massachusetts Institute , Chemistry Physics Materials Sciences , Atomic Molecular Particle Physics , Space Planetary Science , Research Development ,

Nonlinear wave mixing facilitates subwavelength imaging

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IMAGE: Realization of far-field, label-free super-resolution imaging based on evanescent waves excited by nonlinear four-wave mixing.
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Credit: Zhou et al., doi 10.1117/1.AP.3.2.025001
The diffraction limit, also known as Abbe diffraction limit in optics, poses a great challenge in many systems that involve wave dynamics, such as imaging, astronomy, and photolithography. For example, the best optical microscope only possesses resolution around 200 nm, but the physical size of the photolithography process with an excimer laser is around tens of nanometers. Meanwhile, physical sizes in current research and applications in biology and the semiconductor industry have scaled down to several nanometers, which is far beyond the ability of optical waves. According to the Abbe theory, subwavelength features are usually associated with evanescent waves, which decay exponentially with distance from the target. In response to this problem, researcher ....

Eric Betzig , Zhihao Zhou , Williame Moerner , Shanghai Jiao Tong University , Advanced Photonics , Chemistry Physics Materials Sciences , Research Development , ஷாங்காய் ஜியாவோ நாக்கு பல்கலைக்கழகம் , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் , ஆராய்ச்சி வளர்ச்சி ,

Researchers realize synthetic gauge fields in single optomechanical resonator

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IMAGE: (a-b) Multimode interaction in a single optomechanical resonator creates an extensible synthetic gauge field; (c-e) Responses of optical photons and phonons in the cavity under different synthetic magnetic field intensities..
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Credit: CHEN Yuan et al.
The research team led by Prof. GUO Guangcan and Dr. DONG Chunhua from the University of Science and Technology of China realized synthetic gauge fields in a single optomechanical resonator by controlling geometric phase with the multimode interaction in the micro-resonator.
By engineering a Hamiltonian, uncharged particles or bosonic excitations can acquire a path-dependent phase which realizes a synthetic magnetic field. Such synthetic gauge field can improve the precision of quantum many-body simulation and control over bosons. ....

University Of Science , Technology Of China , Physics Review , Chemistry Physics Materials Sciences , Atomic Molecular Particle Physics , Technology Engineering Computer Science , Research Development , Atomic Physics , Particle Physics , பல்கலைக்கழகம் ஆஃப் அறிவியல் , தொழில்நுட்பம் ஆஃப் சீனா , இயற்பியல் விமர்சனம் , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் , அணு மூலக்கூறு துகள் இயற்பியல் , தொழில்நுட்பம் பொறியியல் கணினி அறிவியல் , ஆராய்ச்சி வளர்ச்சி , அணு இயற்பியல் , துகள் இயற்பியல் ,