Sub-GHz operation of single-photon emitting diode at 1.55 um

Toshiyuki Miyazawa; Toshihiro Nakaoka; Shigekazu Okumura; Shinnichi Hirose; Kazuya Takemoto; Motomu Takatsu; Tatsuya Usuki; Naoki Yokoyama; Yasuhiko Arakawa

doi:10.1117/12.807431

6 February 2009 Sub-GHz operation of single-photon emitting diode at 1.55 μm

Toshiyuki Miyazawa, Toshihiro Nakaoka, Shigekazu Okumura, Shinnichi Hirose, Kazuya Takemoto, Motomu Takatsu, Tatsuya Usuki, Naoki Yokoyama, Yasuhiko Arakawa

Author Affiliations +

Proceedings Volume 7214, Ultrafast Phenomena in Semiconductors and Nanostructure Materials XIII; 72140U (2009) https://doi.org/10.1117/12.807431
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

We demonstrated sub-GHz operation of a single-photon-emitting diode at 1.55 μm using 80-ps-wide electrical pulses. A light-emitting diode (LED) with a quantum dot (QD) layer was fabricated into a nanoscale mesa structure with electrodes. The electroluminescence (EL) and radiative lifetime of a single exciton in the QD was directly determined to be 1.59 ns by time-resolved EL measurement. The single-exciton recombination time agrees with the radiative lifetime calculated with an eight-band kp model. The antibunching behavior of exciton radiative recombination in a currentinjected quantum dot was demonstrated at 1551.2 nm by Hanbury-Brown and Twiss-type photon correlation measurements. Device examination at a high drive rate by changing the delay time between two electrical pulses demonstrated that a QD LED can be used as source of sub-GHz single photons in the C-band triggered by current injection.

Citation Download Citation

Toshiyuki Miyazawa, Toshihiro Nakaoka, Shigekazu Okumura, Shinnichi Hirose, Kazuya Takemoto, Motomu Takatsu, Tatsuya Usuki, Naoki Yokoyama, and Yasuhiko Arakawa "Sub-GHz operation of single-photon emitting diode at 1.55 μm", Proc. SPIE 7214, Ultrafast Phenomena in Semiconductors and Nanostructure Materials XIII, 72140U (6 February 2009); https://doi.org/10.1117/12.807431

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