A second report in the current issue of the journal Science describes a 3 -
D photonic crystal, which emits light at optical communications wavelengths, manufactured using a different approach.
A team from the Massachusetts Institute of Technology (MIT) led by Minghao Qi describe a new method for introducing precise defects into 3 -
D photonic crystals, the type of structures that will be necessary for optical quantum information processing.
Not exact matches
Zheng Wang and colleagues at the Massachusetts Institute of Technology
have made what's known as a
photonic crystal from an array of ferrite rods.
García - Garibay hopes to design
crystals that take advantage of properties of light, and whose applications could include advances in communications technology, optical computing, sensing and the field of
photonics, which takes advantage of the properties of light; light can
have enough energy to break and make bonds in molecules.
Physicists
have only recently devised comparable materials, called
photonic band - gap
crystals, and are now exploring their use in phone switches, solar cells, and antennas.
«Being able to create highly functional
photonic crystals by low - cost techniques is important for commercial applications, and I believe that the type of flexible and scalable technology demonstrated here
has a great future.»
Inkjet printing of
photonic crystals onto a surface is cheaper, but previous efforts
have struggled to integrate responsive
photonic crystal inks into such a system.
To emulate this, the team made their
photonic crystal ink using mesoporous silica nanoparticles, which
have a large surface area and strong vapor adsorption capabilities that can be precisely controlled.
«Professor Soljačić's group
has a track record of rapidly converting new science into creative devices with industry applications, and I am looking forward to seeing how Weyl
photonics crystals evolve.»
«This is an interesting development, not just because Weyl points
have been experimentally observed, but also because they endow the
photonics crystals which realize them with unique optical properties,» says Ashvin Vishwanath, a professor of physics at the University of California at Berkeley who was not involved in this research.
Brown and Parker are now working on making the
photonic crystal out of silicon, gallium arsenide or indium phosphide, which
would allow them to integrate the antenna and electronics on the same chip.
American researchers
have now used a
photonic crystal as a reflector for a miniature microwave antenna which could one day be fabricated on a single chip along with control electronics.
Photonic crystals are periodically arranged nanostructures which
have the ability to reflect, guide and confine light.
EPFL scientists
have now fabricated and experimentally tested a silicon - based «
photonic crystal nanocavity» (PCN) that requires an unprecedentedly low amount of energy to operate as a switch.
Lotsch and her team
have now developed
photonic crystals based on nanosheets of phosphatoantimonic acid.
Chemists at Ludwig - Maximilians - Univeristaet (LMU) in Munich
have fabricated a novel nanosheet - based
photonic crystal that changes color in response to moisture.
LMU chemists
have developed a
photonic crystal from ultrathin nanosheets which are extremely sensitive to moisture.
Dharanipathy UP, Minkov M, Tonin M, Savona
V, Houdré R. High - Q silicon
photonic crystal cavity for enhanced optical nonlinearities.Applied Physics Letters 08 September 2014.
The tunability of the
photonic band gap of
photonic crystals has attracted a significant attention in the last decades, with applications in sensing, lighting, and displays.
Single -
crystal thiophene - phenylene (TPCO) and furan - phenylene co-oligomers (FPCO)
have a great potential for the application in optoelectronics and
photonic devices, since they combine high luminescence and efficient charge transport.
Resume: Single -
crystal thiophene - phenylene (TPCO) and furan - phenylene co-oligomers (FPCO)
have a great potential for the application in optoelectronics and
photonic devices, since they combine high luminescence and efficient charge transport.