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Conferences > CLEO_QELS > 2013 > JTh2A > JTh2A.76

Coherent Transfer and Retrieval of Terahertz-bandwidth Single Photon Pulses to a Quantum Dot Ensemble at Telecommunication Wavelengths

Kazumasa Suzuki, Kouichi Akahane, and Junko Ishi-Hayase

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Abstract

We demonstrate the coherent transfer and on-demand retrieval of quantum state of telecom-wavelength ultrabroadband single photon pulse (terahertz range) to a collective excitation of a large number of quantum dots using photon-echo technique. The large inhomogeneous broadening of exciton energies in quantum dots, in conjunction with photon-echo technique, enables us to increase the acceptable spectral bandwidth of transferred single photon pulse from the current maximum of 5 gigahertz to 1 terahertz.

© 2013 Optical Society of America

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