A widely tuneable and narrow linewidth diode laser for coherent spectroscopy

Author

Wicht, A. ; Strauss, N. ; Ernsting, I. ; Chepurov, S. ; Schiller, S. ; Huke, P. ; Rinkleff, R.-H. ; Danzmann, K.

Author_Institution

Inst. fur Experimentalphys., Heinrich-Heine Univ. Dusseldorf, Düsseldorf, Germany

fYear

2006

fDate

27-30 March 2006

Firstpage

350

Lastpage

355

Abstract

We report on the development of a diode laser system which is optimized for precision spectroscopy. It is based on a combination of diode lasers with optical feedback from a grating and diode lasers with optical feedback from a resonant cavity. So far we have achieved overall tuneabilities on the order of 50 nm, continuous tuneabilities in excess of 40 GHz, and short term linewidth below 66 kHz measured over 2.9 s in a 15 MHz scan. In comparison to grating stabilized diode lasers these lasers should feature reduced frequency noise at high Fourier-frequencies which should significantly ease phase-locking to a frequency comb. These lasers will be used for precision spectroscopy and coherent manipulation of ultra-cold HD⁺molecules.

Keywords

diffraction gratings; laser cavity resonators; laser feedback; laser mode locking; laser noise; laser tuning; semiconductor lasers; spectral line breadth; coherent manipulation; coherent spectroscopy; continuous tuneabilities; frequency 15 MHz; frequency comb; frequency noise; grating stabilized diode lasers; high Fourier-frequencies; narrow linewidth diode laser; optical feedback; phase-locking; precision spectroscopy; resonant cavity; short term linewidth; ultracold HD⁺ molecules; wavelength 50 nm; Radio frequency; Servomotors;

fLanguage

English

Publisher

ieee

Conference_Titel

Frequency and Time Forum (EFTF), 2006 20th European

Conference_Location

Braunschweig

Print_ISBN

978-1-4673-2642-1

Type

conf

Filename

6231003