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Proceedings Paper

Wideband frequency noise reduction in laser diodes using FM sideband technique and electronical feedback
Author(s): V. N. Barychev
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Paper Abstract

It has been found that acousto-optical modulator (AOM) operating in a Raman-Nath diffraction mode can be used as an external phase modulator in Pound-Drever FM sideband technique converting the single mode laser diode input into a pure frequency-modulated (FM) spatially separated optical spectrum. With the use of Pound-Drever FM sideband technique and negative electrical feedback, wide-bandwidth frequency noise suppression and stable frequency locking of the external cavity laser diodes (ECLD) to the sub-Doppler resonances within caesium D2 spectral line is achievable.

Paper Details

Date Published: 3 May 2004
PDF: 3 pages
Proc. SPIE 5480, Laser Optics 2003: Diode Lasers and Telecommunication Systems, (3 May 2004); doi: 10.1117/12.558477
Show Author Affiliations
V. N. Barychev, Institute for Metrology of Time and Space (Russia)


Published in SPIE Proceedings Vol. 5480:
Laser Optics 2003: Diode Lasers and Telecommunication Systems
Nikolay N. Rozanov; Sergey A. Gurevich, Editor(s)

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