Nearly all-optical frequency-stabilization of a laser diode on the 120 kHz intercombination line of Ba

Loe-Mie, R.; Papoyan, A.; Akulshin, A. M.; Lezama, A.; Leite, J. R. Rios; Lopez, Olivier; Bloch, Daniel; Ducloy, M.

doi:10.1016/s0030-4018(97)00111-9

Cited by 6 publications

(6 citation statements)

References 20 publications

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“…According to (5), we expect the laser to lock to the filter even if it is not coinciding with an external-cavity mode. The time scale induced by the filter width will, in this case, limit the dynamics of the system giving rise to an increased stability similar to what has been observed by [9]. For very narrow filters, it is expected that the feedback level can never reach the amount where the relaxation oscillation becomes undamped because of the saturation process mentioned in Section IV.…”

Section: Discussionsupporting

confidence: 54%

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Experimental and theoretical study of filtered optical feedback in a semiconductor laser

Fischer

Andersen

Yousefi

et al. 2000

IEEE J. Quantum Electron.

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Abstract-We report on the systematical investigation of the steady-state regime and the dynamical behavior of a semiconductor laser subject to delayed filtered optical feedback. We study a Fabry-Perot (FP) interferometer type of filter placed in the external feedback loop of a diode laser. The effects of the filter on the locking of the diode laser frequency to the external cavity modes are described. We report and observe hysteresis, bistability, and multistability and show that all these are well described by a set of rate equations for the coupled laser and FP cavity system. We also present an experimental stability diagram that summarizes the dynamical behavior of the system.

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Section: Discussionsupporting

confidence: 54%

“…This medium could be an alkali metal vapor. Locking of the DL frequency to transition lines of rubidium [8] and barium [9] has been demonstrated. Other groups have locked the frequency of a DL to the resonance of a Fabry-Perot (FP) interferometer placed within the external cavity [10].…”

Section: Introductionmentioning

confidence: 98%

Experimental and theoretical study of filtered optical feedback in a semiconductor laser

Fischer

Andersen

Yousefi

et al. 2000

IEEE J. Quantum Electron.

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“…It is clear that the locking can be considerably simplified when the resonant optical process employed yields directly a dispersive signal, as in the case of techniques exploiting magnetic circular dichroism, the so-called "dichroic atomic vapor laser locking" (DAVLL) method [4][5][6] or its sub-Doppler modifications [7,13]). A similar (nearly) all-optical locking can be achieved using collinear polarization spectroscopy [11], as well as high-density (see [14] and references therein) or off-axis selective reflection [9].…”

Section: Introductionmentioning

confidence: 84%

Laser frequency stabilization using selective reflection from a vapor cell with a half-wavelength thickness

et al. 2007

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Abstract:We have experimentally studied the selective reflection spectra of a circularly-polarized laser beam from a sub-micrometric Rb vapor cell with a thickness L around λ/2 (λ = 780 nm being the laser wavelength tuned to the D 2 line) in the presence of a longitudinal magnetic field. Based on the results of these studies, we propose a new method for the tunable locking of the diode laser frequency, which does not require frequency modulation nor complex electronics. The experimental realization of the technique has demonstrated its effectiveness and its competitiveness with the known DAVVL-type methods. Response of the locked system to controlled laser diode temperature changes (upper trace) illustrated by the "anti-correlated" changes of the (feedback-controlled) injection current (lower trace)

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“…It has been demonstrated that extremely narrow resonances may be observed in Ba atoms using saturation absorption spectroscopy [18,19]. In our experiments, we also record Doppler-free spectra in the Ba vapor cell, but mainly for isotope identification and frequency calibration.…”

Section: A Saturation Absorption Spectroscopy Of Bamentioning

confidence: 99%

Nonlinear magneto-optical effects in Ba vapor

2012

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We report the first measurements of linear and nonlinear magneto-optical polarization rotation on an intercombination transition of Ba vapor (λ = 791.1 nm). We observe a maximum polarization rotation angle in Faraday configuration of 15 mrad, accompanied by suppression of absorption. A theoretical treatment of the nonlinear Faraday effect in the limit of a strong interacting light field is developed.

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Nearly all-optical frequency-stabilization of a laser diode on the 120 kHz intercombination line of Ba

Cited by 6 publications

References 20 publications

Experimental and theoretical study of filtered optical feedback in a semiconductor laser

Experimental and theoretical study of filtered optical feedback in a semiconductor laser

Laser frequency stabilization using selective reflection from a vapor cell with a half-wavelength thickness

Nonlinear magneto-optical effects in Ba vapor

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