Wideband frequency noise reduction in laser diodes using FM sideband technique and electronical feedback

V. N. Barychev

doi:10.1117/12.558477

3 May 2004 Wideband frequency noise reduction in laser diodes using FM sideband technique and electronical feedback

V. N. Barychev

Proceedings Volume 5480, Laser Optics 2003: Diode Lasers and Telecommunication Systems; (2004) https://doi.org/10.1117/12.558477
Event: Laser Optics 2003, 2003, St. Petersburg, Russian Federation

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.

Citation Download Citation

V. N. Barychev "Wideband frequency noise reduction in laser diodes using FM sideband technique and electronical feedback", Proc. SPIE 5480, Laser Optics 2003: Diode Lasers and Telecommunication Systems, (3 May 2004); https://doi.org/10.1117/12.558477

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