Intra-cavity cryogenic optical refrigeration using high power vertical external-cavity surface-emitting lasers (VECSELs) | Zendy

Mohammadreza Ghasemkhani | Zendy; Alexander R. Albrecht | Zendy; Seth D. Melgaard | Zendy; Denis V. Seletskiy | Zendy; Jeffrey G. Cederberg | Zendy; Mansoor SheikBahae | Zendy

Open Access

Intra-cavity cryogenic optical refrigeration using high power vertical external-cavity surface-emitting lasers (VECSELs)

Author(s) -

Mohammadreza Ghasemkhani,

Alexander R. Albrecht,

Seth D. Melgaard,

Denis V. Seletskiy,

Jeffrey G. Cederberg,

Mansoor SheikBahae

Publication year - 2014

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.22.016232

Subject(s) - materials science , laser linewidth , optics , laser , optoelectronics , cryocooler , solid state laser , physics , quantum mechanics

A 7% Yb:YLF crystal is laser cooled to 131 ± 1 K from room temperature by placing it inside the external cavity of a high power InGaAs/GaAs VECSEL operating at 1020 nm with 0.15 nm linewidth. This is the lowest temperature achieved in the intracavity geometry to date and presents major progress towards realizing an all-solid-state compact optical cryocooler.

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