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Compact frequency-stabilized pump laser for wavelength conversion in long-distance quantum communication

MetadataDetails
Publication Date2018-07-30
JournalJournal of the Optical Society of America B
AuthorsKohei Ikeda, Yusuke Hisai, Kazumichi Yoshii, Hideo Kosaka, Feng-Lei Hong
InstitutionsYokohama National University
Citations3

We demonstrate a compact frequency-stabilized laser at 1064 nm using the Doppler-free saturation absorption spectroscopy of molecular iodine. The achieved laser frequency stability and linewidth are 5.7Ɨ10āˆ’12 (corresponding to an uncertainty of the laser frequency of 1.6 kHz) and 400 kHz, respectively. The developed frequency-stabilized laser can be used as a pump laser for wavelength conversion from the visible to telecom (or vice versa) to connect quantum memories utilizing nitrogen-vacancy centers in diamond at remote nodes in fiber-based quantum communication.