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Niebuhr M, Zink C, Jechow A, et al. Mode stabilization of a laterally structured broad area diode laser using an external volume Bragg grating. Opt Express. 2015;23(9):12394-400doi: 10.1364/OE.23.012394.
Niebuhr, M., Zink, C., Jechow, A., Heuer, A., Glebov, L. B., & Menzel, R. (2015). Mode stabilization of a laterally structured broad area diode laser using an external volume Bragg grating. Optics express, 23(9), 12394-400. https://doi.org/10.1364/OE.23.012394
Niebuhr, Mario, et al. "Mode stabilization of a laterally structured broad area diode laser using an external volume Bragg grating." Optics express vol. 23,9 (2015): 12394-400. doi: https://doi.org/10.1364/OE.23.012394
Niebuhr M, Zink C, Jechow A, Heuer A, Glebov LB, Menzel R. Mode stabilization of a laterally structured broad area diode laser using an external volume Bragg grating. Opt Express. 2015 May 04;23(9):12394-400. doi: 10.1364/OE.23.012394. PMID: 25969324.
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Opt Express. 2015 May 04;23(9):12394-400. doi: 10.1364/OE.23.012394.

Mode stabilization of a laterally structured broad area diode laser using an external volume Bragg grating.

Optics express

Mario Niebuhr, Christof Zink, Andreas Jechow, Axel Heuer, Leonid B Glebov, Ralf Menzel

PMID: 25969324 DOI: 10.1364/OE.23.012394

Abstract

An external volume Bragg grating (VBG) is used for transverse and longitudinal mode stabilization of a broad area diode laser (BAL) with an on-chip transverse Bragg resonance (TBR) grating. The internal TBR grating defines a transverse low-loss mode at a specific propagation angle inside the BAL. Selection of the TBR mode was realized via the angular geometry of an external resonator assembly consisting of the TBR BAL and a feedback element. A feedback mirror provides near diffraction limited and spectral narrow output in the TBR mode albeit requiring an intricate alignment procedure. If feedback is provided via a VBG, adjustment proves to be far less critical and higher output powers were achieved. Moreover, additional modulation in the far field distribution became discernible allowing for a better study of the TBR concept.

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