We present an optical setup for generating a sequence of light pulses in which the orbital angular momentum (OAM) degree of freedom is correlated with the temporal one. The setup is based on a single q plate within a ring optical resonator. By this approach, we demonstrate the generation of a train of pulses carrying increasing values of OAM, or, alternatively, of a controlled temporal sequence of pulses having prescribed OAM superposition states. Finally, we exhibit an “OAM-to-time conversion” apparatus that divides different input OAM states into different time bins. The latter application provides a simple approach to digital spiral spectroscopy of pulsed light. © 2012 Optical Society of America

Time-division multiplexing of the orbital angular momentum of light / Karimi, Ebrahim; Marrucci, Lorenzo; DE LISIO, Corrado; Santamato, Enrico. - In: OPTICS LETTERS. - ISSN 0146-9592. - STAMPA. - 37:(2012), pp. 127-129. [10.1364/OL.37.000127]

Time-division multiplexing of the orbital angular momentum of light

KARIMI, ebrahim;MARRUCCI, LORENZO;DE LISIO, CORRADO;SANTAMATO, ENRICO
2012

Abstract

We present an optical setup for generating a sequence of light pulses in which the orbital angular momentum (OAM) degree of freedom is correlated with the temporal one. The setup is based on a single q plate within a ring optical resonator. By this approach, we demonstrate the generation of a train of pulses carrying increasing values of OAM, or, alternatively, of a controlled temporal sequence of pulses having prescribed OAM superposition states. Finally, we exhibit an “OAM-to-time conversion” apparatus that divides different input OAM states into different time bins. The latter application provides a simple approach to digital spiral spectroscopy of pulsed light. © 2012 Optical Society of America
2012
Time-division multiplexing of the orbital angular momentum of light / Karimi, Ebrahim; Marrucci, Lorenzo; DE LISIO, Corrado; Santamato, Enrico. - In: OPTICS LETTERS. - ISSN 0146-9592. - STAMPA. - 37:(2012), pp. 127-129. [10.1364/OL.37.000127]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11588/426923
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