Toward regulated photon generations from semiconductor quantum dots and their applications

I. Suemune; H. Kumano; Y. Hayashi; K. Tanaka; T. Akazaki; M. Jo; Y. Idutsu

doi:10.1117/12.764104

1 February 2008 Toward regulated photon generations from semiconductor quantum dots and their applications

I. Suemune, H. Kumano, Y. Hayashi, K. Tanaka, T. Akazaki, M. Jo, Y. Idutsu

Proceedings Volume 6900, Quantum Sensing and Nanophotonic Devices V; 69000C (2008) https://doi.org/10.1117/12.764104
Event: Integrated Optoelectronic Devices 2008, 2008, San Jose, California, United States

Abstract

Quantum information processing and quantum cryptography are expected to realize highly secure future information networks. How to control photon qubits will be one of the major issues for this direction, but the technologies related to generations and detections of individual photons are still being developed. Semiconductor quantum dots (QDs) have been expected to play major role for on-demand generations of single photons as well as entangled photon pairs. In this talk, photon generation processes from a single QD will be studied for the control of the quantum states of generated photons. Generation of entangled photon pairs from QDs based on biexciton-exciton cascade recombination processes is presently in a difficult situation due to exciton states energy splitting related to growth-related issues. An approach to open new paradigm will be discussed with preliminary results.

Citation Download Citation

I. Suemune, H. Kumano, Y. Hayashi, K. Tanaka, T. Akazaki, M. Jo, and Y. Idutsu "Toward regulated photon generations from semiconductor quantum dots and their applications", Proc. SPIE 6900, Quantum Sensing and Nanophotonic Devices V, 69000C (1 February 2008); https://doi.org/10.1117/12.764104

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