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Leaky-wave metasurfaces: A perfect interface between free-space and integrated optical systems

Leaky-wave metasurfaces: A perfect interface between free-space and integrated optical systems
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New yorkUnited statesNanfang yuHeqing huangScience research center nanofabrication facilityColumbia nano initiativeCity university of new yorkGraduate centerCity university

Leaky-wave metasurfaces: A perfect interface

Columbia Engineering researchers have developed a new class of integrated photonic devices “leaky-wave metasurfaces” that convert light initially confined in an optical waveguide to an arbitrary optical pattern in free space. These are the first to demonstrate simultaneous control of all four optical degrees of freedom, setting a world record. Because they’re so thin, transparent, and compatible with photonic integrated circuits, they can be used to improve optical displays, LIDAR, optical communications, and quantum optics.

New yorkUnited statesColumbia universityCheng chia tsaiAdamc overvigStephaniec malekHeqing huangAndrea alNanfang yuNational science foundationScience research center nanofabrication facilityScience research centerPhotonics initiativeResearch fellowship programSimons foundationDepartment of applied physics

New Device Modulates Visible Light—Without Dimming It—With The Smallest Footprint And Lowest Power Consumption

Over the past several decades, researchers have moved from using electric currents to manipulating light waves in the near-infrared range for.

New yorkUnited statesMichal lipsonNanfang yuHeqing huangCity university of new yorkTechnology facilityColumbia nano initiativeScience research center nanofabrication facilityColumbia engineeringEugene higgins professorElectrical engineeringGraduate centerCity universityCornell nanoscale science

New Device Modulates Visible Light with the Smallest Footprint and Lowest Power Consumption

New Device Modulates Visible Light with the Smallest Footprint and Lowest Power Consumption
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New yorkUnited statesMichal lipsonNanfang yuHeqing huangCity university of new yorkTechnology facilityColumbia nano initiativeScience research center nanofabrication facilityEugene higgins professorElectrical engineeringGraduate centerCity universityCornell nanoscale science

Device Modulates Visible Light Without Dimming | Research & Technology | Nov 2021

Device Modulates Visible Light Without Dimming | Research & Technology | Nov 2021
photonics.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from photonics.com Daily Mail and Mail on Sunday newspapers.

New yorkUnited statesColumbia universityMichal lipsonNanfang yuHeqing huangCity university of new yorkTechnology facilityColumbia nano initiativeScience research center nanofabrication facilityResearchers at columbia university school of engineeringColumbia university schoolApplied scienceEugene higgins professorElectrical engineeringGraduate center