A Caltech Library Service

On-chip optical quantum memory at telecom wavelengths (Conference Presentation)

Craiciu, Ioana and Rochman, Jake and Lei, Mi and Miyazono, Evan and Kindem, Jonathan M. and Bartholomew, John and Zhong, Tian and Faraon, Andrei (2019) On-chip optical quantum memory at telecom wavelengths (Conference Presentation). In: Advances in Photonics of Quantum Computing, Memory, and Communication XII. Proceedings of SPIE. No.10933. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 109330Q. ISBN 9781510625082.

Full text is not posted in this repository. Consult Related URLs below.

Use this Persistent URL to link to this item:


Optical quantum memories will enable technologies including long distance quantum communication and modular quantum computing. Rare earth ion doped crystals provide an excellent solid state platform for optical quantum memories. Among rare earths, erbium is particularly appealing due to its long-lived telecom-wavelength resonance, allowing integration with silicon photonics and with existing optical communication technology and infrastructure. We present an on-chip all-optical quantum memory at telecom wavelengths using a nanobeam photonic crystal cavity fabricated directly in erbium-167 doped yttrium orthosilicate. Using an atomic frequency comb protocol, we store coherent pulses for memory times as long as 10 µs, albeit with low efficiency. For shorter memory times, we achieve a memory efficiency of 0.4%, which is limited by the coupling rate between the resonator and the ensemble of ions. By working at dilution refrigerator temperatures, we are able to access a regime where the ions have long optical coherence times and good spectral holeburning properties using only a moderate magnetic field applied with permanent magnets. We characterize the multimode properties and fidelity of the quantum memory in this device, and outline a path toward higher efficiency.

Item Type:Book Section
Related URLs:
URLURL TypeDescription
Craiciu, Ioana0000-0002-8670-0715
Miyazono, Evan0000-0003-2176-0335
Kindem, Jonathan M.0000-0002-7737-9368
Bartholomew, John0000-0003-0780-2471
Zhong, Tian0000-0003-3884-7453
Faraon, Andrei0000-0002-8141-391X
Additional Information:© 2019 Society of Photo-Optical Instrumentation Engineers (SPIE).
Series Name:Proceedings of SPIE
Issue or Number:10933
Record Number:CaltechAUTHORS:20190822-134051851
Persistent URL:
Official Citation:Ioana Craiciu, Jake Rochman, Mi Lei, Evan Miyazono, Jonathan M. Kindem, John Bartholomew, Tian Zhong, and Andrei Faraon "On-chip optical quantum memory at telecom wavelengths (Conference Presentation)", Proc. SPIE 10933, Advances in Photonics of Quantum Computing, Memory, and Communication XII, 109330Q (4 March 2019);
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:98119
Deposited By: George Porter
Deposited On:22 Aug 2019 21:56
Last Modified:16 Nov 2021 17:36

Repository Staff Only: item control page