RSS icon
Twitter icon
Facebook icon
Vimeo icon
YouTube icon

Latest News and Research

Collecting Lost Light
Rayleigh scattering reveals light propagation in optical nanfibers

Optical fibers are hair-like threads of glass used to guide light. Fibers of exceptional purity have proved an excellent way of sending information over long distances and are the foundation of modern telecommunication systems. JQI researchers in collaboration with scientists from the Naval Research Laboratory have developed a new technique for visualizing light propagation through an optical nanofiber, detailed in a recent Optica paper. The result is a non-invasive measurement of the fiber size and shape and a real-time view of how light fields evolve along the nanofiber. Direct measurement of the fields in and around an optical nanofiber offers insight into how light propagates in these systems and paves the way for engineering customized evanescent atom traps.  Continue Reading

Moving out of equilibrium
Magnetization dynamics in a checkerboard optical lattice

In the quest to better explain and even harness the strange and amazing behaviors of interacting quantum systems, well-characterized and controllable atomic gases have emerged as a tool for emulating the behavior of solids. This is because physicists can use lasers to force atoms in dilute quantum gases to act, in many ways, like electrons in solids. The hope is studying the same physics in the atom-laser system will help scientists understand the inner workings of different exotic materials.

JQI physicists, led by Trey Porto, are interested in quantum magnetic ordering, which is believed to be intimately related to high-temperature superconductivity and also has significance in other massively connected quantum systems. Recently, the group studied the magnetic and motional dynamics of atoms in a specially designed laser-based lattice that looks like a checkerboard. Their work...Continue Reading

JQI undergraduate honored for thesis work
Michael Kossin earns IPST Monroe Martin Prize and Departmental High Honors

Michael Kossin, an undergraduate who works with JQI Fellow Luis Orozco, has been awarded an IPST Monroe Martin Prize for Undergraduate Research in Physics for his paper, "Production of a Polarizing Millimeter-Wave Fabry-Perot Resonator.” He also earned Departmental High Honors. This summer Kossin will work with Professor Alejandro Garcia at the University of Washington, whose research involves weak interactions in the nucleus. Kossin plans to attend graduate school in 2016. 

About the award:

Dr. Martin, a native of Lancaster, PA, studied mathematics at Lebanon Valley College before earning his doctorate at Johns Hopkins University. After completing a prestigious National Research...Continue Reading

JQI Fellow Mohammad Hafezi Receives ONR Young Investigator Award

JQI Fellow Mohammad Hafezi was announced as a recipient of a 2015 ONR Young Investigator award. ONR's website describes the program as being designed to promote the professional development of early-career academic scientists – called investigators, or YIPs – both as researchers and instructors. For awardees, the funding supports laboratory equipment, graduate student stipends and scholarships, and other expenses critical to ongoing and planned investigational studies.

“These recipients demonstrate the type of visionary, multidisciplinary thought that helps the U.S. Navy anticipate and adapt to a dynamic battlespace,” said Dr. Larry Schuette, ONR’s director of research. “The breadth of their research and combined value of awards underscore the significance the Navy places on ingenuity, wherever it’s harbored, and support the framework for a Naval Innovation Network built on...Continue Reading

Gretchen Campbell among finalists for Service to America Medal

Gretchen Campbell, a JQI Fellow and NIST Physicist, has been selected as a 2015 Finalist for a Service to America Medal. The highly respected honor highlights dedicated federal workers who have made significant contributions to our country. According to the award website, "The Sammies, known as the “Oscars” of government service, are a highly respected honor with a vigorous selection process. Named for the Partnership for Public Service’s late founder who was inspired by President Kennedy’s call to serve in 1963, these awards align with his vision of a dynamic and innovative federal workforce that meets the needs of the American people."

Campbell is nominated in the Call to Service category and is cited as having "Advanced...Continue Reading

JQI at Maryland Day 2015
Crowds brave cold temperatures to see cool physics

Despite cold weather and cloudy skies, UMD's annual Maryland Day (April 25, 2015) attracted thousands of visitors eager to learn about the university. The JQI was again located on the lawn outside the Toll Physics Building, and provided fun examples and analogs of quantum topics with demonstrations of parametric down conversion, wave-particle duality, charged dust traps, and the Meissner effect. The JQI thanks all of our volunteers for their hard work in making this day possible!Continue Reading

Tightening the Bounds on the Quantum Information 'Speed Limit'

If you’re designing a new computer, you want it to solve problems as fast as possible. Just how fast is possible is an open question when it comes to quantum computers, but JQI physicists have narrowed the theoretical limits for where that “speed limit” is. The work implies that quantum processors will work more slowly than some research has suggested. 
The work offers a better description of how quickly information can travel within a system built of quantum particles such as a group of individual atoms. Engineers will need to know this to build quantum computers, which will have vastly different designs and be able to solve certain problems much more easily than the computers of today. While the new finding does not give an exact speed for how fast information will be able to travel in these as-yet-unbuilt computers—a longstanding question—it does place a far tighter...Continue Reading

Single photon detection system among nominees for UMD's "Most Promising Inventions" for 2014

UMD will honor nine nominees for the most promising new inventions at the Celebration of Innovation and Partnerships event on April 29, 2015. UMD’s Office of Technology Commercialization, part of the Division of Research, received a total of 187 disclosures in 2014. The nine nominees for Invention of the Year were selected based on their potential impact on science, society and the open market. Winners will be announced in three categories: life sciences, physical sciences and information sciences. A single photon detection system developed at NIST, by researchers from JQI and the Jet Propulsion Lab at CalTech, was among the nominees.Continue Reading

Latest News and Research

  • Collecting Lost Light
    Rayleigh scattering reveals light propagation in optical nanfibers

    Optical fibers are hair-like threads of glass used to guide light. Fibers of exceptional purity have proved an excellent way of sending information over long distances and are the foundation of modern telecommunication systems. JQI researchers in collaboration with scientists from the Naval Research Laboratory have developed a new technique for visualizing light propagation through an optical... Continue Reading

  • Moving out of equilibrium
    Magnetization dynamics in a checkerboard optical lattice

    In the quest to better explain and even harness the strange and amazing behaviors of interacting quantum systems, well-characterized and controllable atomic gases have emerged as a tool for emulating the behavior of solids. This is because physicists can use lasers to force atoms in dilute quantum gases to act, in many ways, like electrons in solids. The hope is studying the same physics in... Continue Reading

  • JQI undergraduate honored for thesis work
    Michael Kossin earns IPST Monroe Martin Prize and Departmental High Honors

    Michael Kossin, an undergraduate who works with JQI Fellow Luis Orozco, has been awarded an IPST Monroe Martin Prize for Undergraduate Research in Physics for his paper, "Production of a Polarizing Millimeter-Wave Fabry-Perot Resonator.” He also earned Departmental High Honors. This summer Kossin will work with ... Continue Reading

  • JQI Fellow Mohammad Hafezi Receives ONR Young Investigator Award

    JQI Fellow Mohammad Hafezi was announced as a recipient of a 2015 ONR Young Investigator award. ONR's website describes the program as being designed to promote the professional development of early-career academic scientists – called investigators, or YIPs – both as researchers and instructors. For awardees, the funding supports laboratory equipment, graduate student stipends and scholarships... Continue Reading

  • Gretchen Campbell among finalists for Service to America Medal

    Gretchen Campbell, a JQI Fellow and NIST Physicist, has been selected as a 2015 Finalist for a Service to America Medal. The highly respected honor highlights dedicated federal workers who have made significant contributions to our country. According to the award website, "The Sammies, known as the “Oscars” of... Continue Reading

  • JQI at Maryland Day 2015
    Crowds brave cold temperatures to see cool physics

    Despite cold weather and cloudy skies, UMD's annual Maryland Day (April 25, 2015) attracted thousands of visitors eager to learn about the university. The JQI was again located on the lawn outside the Toll Physics Building, and provided fun examples and analogs of quantum topics with demonstrations of parametric down conversion, wave-particle duality, charged dust traps, and the Meissner... Continue Reading

  • Tightening the Bounds on the Quantum Information 'Speed Limit'

    If you’re designing a new computer, you want it to solve problems as fast as possible. Just how fast is possible is an open question when it comes to quantum computers, but JQI physicists have narrowed the theoretical limits for where that “speed limit” is. The work implies that quantum processors will work more slowly than some research has suggested. 
    The work offers a better... Continue Reading

  • Single photon detection system among nominees for UMD's "Most Promising Inventions" for 2014

    UMD will honor nine nominees for the most promising new inventions at the Celebration of Innovation and Partnerships event on April 29, 2015. UMD’s Office of Technology Commercialization, part of the Division of Research, received a total of 187 disclosures in 2014. The nine nominees for... Continue Reading

People Profiles

Subscribe to A Quantum Bit 

Quantum physics began with revolutionary discoveries in the early twentieth century and continues to be central in today’s physics research. Learn about quantum physics, bit by bit. From definitions to the latest research, this is your portal. Subscribe to receive regular emails from the quantum world. Previous Issues...

Sign Up Now

Sign up to receive A Quantum Bit in your email!

 Have an idea for A Quantum Bit? Submit your suggestions to jqi-comm@umd.edu