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Robust Directional Couplers for State Manipulation in Silicon Photonic-Integrated Circuits

Photonic integrated circuits play a central role in current and future applications such as communications, sensing, ranging, and information processing. Photonic quantum computing will also likely require an integrated optics architecture for improved stability, scalability, and performance. Fault-tolerant quantum computing mandates very accurate and robust quantum gates. In this work, we demonstrate high-fidelity directional couplers for single-qubit gates in photonic integrated waveguides, utilizing a novel scheme of detuning-modulated composite segments. Specific designs for reduced sensitivity to wavelength variations and real-world geometrical fabrication errors in waveguides width and depth are presented. Enhanced wavelength tolerance is demonstrated experimentally. The concept shows great promise for scaling high fidelity gates as part of integrated quantum optics architectures.

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Informasi Detail

Judul Seri

JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol.40 No.23 December 1, 2022

No. Panggil

-

Penerbit

: .,

Deskripsi Fisik

p. 7634-7639

Bahasa

English

ISBN/ISSN

-

Klasifikasi

NONE

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

-

Subjek

SILICON PHOTONICS
DIRECTIONAL COUPLERS
INTEGRATED QUANTUM PHOTONICS
COHERENT CONTROL
QUANTUM ELECTRONICS

Info Detail Spesifik

DOI: 10.1109/JLT.2022.3175128

Pernyataan Tanggungjawab

Moshe Katzman, Yonatan Piasetzky, Evyatar Rubin, Ben Barenboim, Maayan Priel, Muhammed Erew, Avinoam Zadok, Haim Suchowski

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