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TOPTICA Photonics Inc.

1120 Pittsford Victor Rd.
Pittsford, NY 14534
United States

Phone: +1 585-657-6663

Fax: +1 877-277-9897

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Linewidth Measurement of Diode Lasers

Friday, August 8, 2025
The spectral purity of a laser is one of its core features. It is however non-trivial to find quantities which fully characterize this spectral purity. In this paper we discuss two linewidth definitions which TOPTICA uses to characterize the frequency stability of its diode lasers. These quantities reflect the two conceptual sources of phase or frequency noise in diode lasers.

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File: 2025_8_8_Linewidth_measurements_of_diode_lasers.pdf (286.75 KB)
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