Two-photon interference with a semiconductor integrated source at room temperature | Zendy

X. Caillet | Zendy; Adeline Orieux | Zendy; A. Lemaı̂tre | Zendy; P. Filloux | Zendy; I. Favero | Zendy; Giuseppe Leo | Zendy; S. Ducci | Zendy

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Two-photon interference with a semiconductor integrated source at room temperature

Author(s) -

X. Caillet,

Adeline Orieux,

A. Lemaı̂tre,

P. Filloux,

I. Favero,

Giuseppe Leo,

S. Ducci

Publication year - 2010

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.18.009967

Subject(s) - spontaneous parametric down conversion , photon , laser linewidth , optics , physics , semiconductor , interference (communication) , optoelectronics , visibility , quantum optics , laser , quantum , quantum entanglement , telecommunications , channel (broadcasting) , quantum mechanics , computer science

We experimentally demonstrate an integrated semiconductor ridge microcavity source of counterpropagating twin photons at room temperature in the telecom range. Based on type II parametric down conversion with a counterpropagating phase-matching, pump photons generate photon pairs with an efficiency of about 10(-11) and a spectral linewidth of 0.3 nm for a 1 mm long sample. The indistiguishability of the photons of the pair is measured via a Hong-Ou-Mandel two-photon interference experiment showing a visibility of 85 %. This work opens a route towards new guided-wave semiconductor quantum devices.

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