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Nanostructured Device Stops Light In Its Tracks

Nanostructured Device Stops Light In Its Tracks
MIT researchers develop compact on-chip device for detecting electric-field waveforms with attosecond time resolution.
Understanding how light waves oscillate in time as they interact with materials is essential to understanding light-driven energy transfer in materials, such as solar cells or plants. Due to the fantastically high speeds at which light waves oscillate, however, scientists have yet to develop a compact device with enough time resolution to directly capture them.
Now, a team led by MIT researchers has demonstrated chip-scale devices that can directly trace the weak electric field of light waves as they change in time. Their device, which incorporates a microchip that uses short laser pulses and nanoscale antennas, is easy to use, requiring no special environment for operation, minimal laser parameters, and conventional laboratory electronics. ....

United States , Peter Hommelhoff , Dario Cattozzo Mor , Mina Bionta , Yujia Yang , Felix Ritzkowsky , Deutsches Elektronen , Marco Turchetti , Phillip Donnie Keathley , William Putnam , Karl Berggren , Research Laboratory Of Electronics , University Of California At Davis , University Of Hamburg , Department Of Electrical Engineering , Young Investigator Program , Multi University Research Initiative , European Research Council , University Of Erlangen , Research Laboratory , Nature Photonics , Deutsches Elektronen Synchrotron , Electrical Engineering , Computer Science , Professor Peter Hommelhoff , Force Office ,

Researchers develop compact on-chip device to detect electric-field waveforms with attosecond time resolution -- Science & Technology -- Sott.net

© Marco Turchetti
As a laser illuminates these nanometer-scale devices (blue wave), attosecond electron flashes are generated (red pulse) at the ends of nanotips and used to trace out weak light fields (red wave). Credit: Understanding how light waves oscillate in time as they interact with materials is essential to understanding light-driven energy transfer in materials, such as solar cells or plants. Due to the fantastically high speeds at which light waves oscillate, however, scientists have yet to develop a compact device with enough time resolution to directly capture them.
Now, a team led by MIT researchers has demonstrated chip-scale devices that can directly trace the weak electric field of light waves as they change in time. Their device, which incorporates a microchip that uses short laser pulses and nanoscale antennas, is easy to use, requiring no special environment for operation, minimal laser parameters, and conventional laboratory electronics. ....

United States , Peter Hommelhoff , Dario Cattozzo Mor , Mina Bionta , Minar Bionta , Yujia Yang , Felix Ritzkowsky , Deutsches Elektronen , Marco Turchetti , Phillip Donnie Keathley , William Putnam , Karl Berggren , Research Laboratory Of Electronics , University Of California At Davis , University Of Hamburg , Department Of Electrical Engineering , University Of Erlangen , Nature Photonics , Research Laboratory , Deutsches Elektronen Synchrotron , Electrical Engineering , Computer Science , Professor Peter Hommelhoff , ஒன்றுபட்டது மாநிலங்களில் , வில்லியம் பட்நம் , கார்ல் பேர்க்க்றேன் ,

MIT researchers develop compact on-chip device for detecting electric-field waveforms with attosecond time resolution.

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Understanding how light waves oscillate in time as they interact with materials is essential to understanding light-driven energy transfer in materials, such as solar cells or plants. Due to the fantastically high speeds at which light waves oscillate, however, scientists have yet to develop a compact device with enough time resolution to directly capture them.
Now, a team led by MIT researchers has demonstrated chip-scale devices that can directly trace the weak electric field of light waves as they change in time. Their device, which incorporates a microchip that uses short laser pulses and nanoscale antennas, is easy to use, requiring no special environment for operation, minimal laser parameters, and conventional laboratory electronics. ....

United States , Peter Hommelhoff , Dario Cattozzo Mor , Mina Bionta , Yujia Yang , Felix Ritzkowsky , Deutsches Elektronen , Marco Turchetti , Phillip Donnie Keathley , William Putnam , Karl Berggren , Research Laboratory Of Electronics , University Of California At Davis , University Of Hamburg , Department Of Electrical Engineering , Young Investigator Program , Multi University Research Initiative , European Research Council , University Of Erlangen , Nature Photonics , Research Laboratory , Deutsches Elektronen Synchrotron , Electrical Engineering , Computer Science , Professor Peter Hommelhoff , Force Office ,

Nanostructured device stops light in its tracks

Posted April 30, 2021
MIT researchers develop compact on-chip device for detecting electric-field waveforms with attosecond time resolution.
Understanding how light waves oscillate in time as they interact with materials is essential to understanding light-driven energy transfer in materials, such as solar cells or plants. Due to the fantastically high speeds at which light waves oscillate, however, scientists have yet to develop a compact device with enough time resolution to directly capture them.
Now, a team led by MIT researchers has demonstrated chip-scale devices that can directly trace the weak electric field of light waves as they change in time. Their device, which incorporates a microchip that uses short laser pulses and nanoscale antennas, is easy to use, requiring no special environment for operation, minimal laser parameters, and conventional laboratory electronics. ....

United States , Peter Hommelhoff , Dario Cattozzo Mor , Mina Bionta , Yujia Yang , Felix Ritzkowsky , Deutsches Elektronen , Marco Turchetti , Phillip Donnie Keathley , William Putnam , Karl Berggren , Research Laboratory Of Electronics , University Of California At Davis , Massachusetts Institute Of Technology , University Of Hamburg , Department Of Electrical Engineering , University Of Erlangen , Nature Photonics , Research Laboratory , Deutsches Elektronen Synchrotron , Electrical Engineering , Computer Science , Professor Peter Hommelhoff , Massachusetts Institute , ஒன்றுபட்டது மாநிலங்களில் , வில்லியம் பட்நம் ,

Nanostructured device stops light in its tracks

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Image: Marco Turchetti
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Understanding how light waves oscillate in time as they interact with materials is essential to understanding light-driven energy transfer in materials, such as solar cells or plants. Due to the fantastically high speeds at which light waves oscillate, however, scientists have yet to develop a compact device with enough time resolution to directly capture them.
Now, a team led by MIT researchers has demonstrated chip-scale devices that can directly trace the weak electric field of light waves as they change in time. Their device, which incorporates a microchip that uses short laser pulses and nanoscale antennas, is easy to use, requiring no special environment for operation, minimal laser parameters, and conventional laboratory electronics. ....

United States , Peter Hommelhoff , Dario Cattozzo Mor , Mina Bionta , Yujia Yang , Felix Ritzkowsky , Deutsches Elektronen , Marco Turchetti , Phillip Donnie Keathley , William Putnam , Karl Berggren , Research Laboratory Of Electronics , University Of California At Davis , University Of Hamburg , Department Of Electrical Engineering , Young Investigator Program , Multi University Research Initiative , European Research Council , University Of Erlangen , Nature Photonics , Research Laboratory , Deutsches Elektronen Synchrotron , Electrical Engineering , Computer Science , Professor Peter Hommelhoff , Force Office ,