Coherent transfer of time-bin photons to electron spins in a semiconductor

Hideo Kosaka, Takahiro Inagaki, Ryuta Hitomi, Fumishige Izawa, Yoshiaki Rikitake, Hiroshi Imamura, Yasuyoshi Mitsumori, Keiichi Edamatsu

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


We demonstrate that a coherent superposition state of two temporally separated optical pulses, called a time-bin state, can be transferred to that of up-down electron spins in a semiconductor by synchronizing the time separation to the precession period of either electrons or holes. The time-bin transfer scheme does not require polarization-mode degeneracy and can map the time-bin state to the electron spin state that is not accessible directly using only polarization. The scheme offers an alternate approach for quantum interfaces between photons and electron spins.

Original languageEnglish
Article number042304
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number4
Publication statusPublished - 2012 Apr 5

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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