Frequency stabilization of dual-mode microchip laser by means of beat frequency stabilization

Sugiarto, Iyon Titok; Watanabe, Masayoshi; Sunada, Satoshi; Hyodo, Masayuki

doi:10.1007/s10043-019-00571-x

Opt Rev

2019

DOI: 10.1007/s10043-019-00571-x

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Frequency stabilization of dual-mode microchip laser by means of beat frequency stabilization

Iyon Titok Sugiarto

Masayoshi Watanabe

Satoshi Sunada

et al.

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2021

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Cited by 2 publications

(1 citation statement)

References 17 publications

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“…Introduction: A dual-mode oscillating microchip laser (MCL) is expected to be an elemental optical source for future radio-over-fibre (RoF) transmission technology that requires increasing carrier frequency as well as decreasing footprints. Owing to its cavity length as short as millimetres, stable dual-longitudinal-mode oscillation with a difference frequency exceeding 100 GHz [1] has already been obtained using a Nd:YVO 4 MCL developed in our laboratory. Phase locking between the two oscillation modes has also been successfully demonstrated [2], showing its feasibility as a promising optical source for millimetre-wave generation.…”

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confidence: 99%

Parallel‐to‐orthogonal polarisation‐state converter for dual‐mode Nd:YVO ₄ microchip laser

Hyodo

Zhang

Watanabe

et al. 2021

Electronics Letters

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Polarisation-state conversion from parallel linear polarisation to orthogonal linear polarisation was successfully demonstrated using a birefringence crystal for the two longitudinal oscillation modes of a dual-mode Nd:YVO 4 microchip laser. The laser emitted two longitudinal oscillation modes simultaneously in the vertical linear polarisation state with a frequency difference of 101 GHz. In the experiment, it was shown that by using a 17-mm-long LiNbO 3 birefringence crystal, it was possible to almost perfectly convert the polarisation state of the two oscillation modes by providing a π-rad difference in phase retardations between the two oscillation modes. The residual elliptic component was eliminated using a pair of waveplates.

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mentioning

confidence: 99%

Parallel‐to‐orthogonal polarisation‐state converter for dual‐mode Nd:YVO ₄ microchip laser

Hyodo

Zhang

Watanabe

et al. 2021

Electronics Letters

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Design of 4-DOF Voice Coil Motor with Function of Reducing Laser Geometrical Fluctuations

Liu

Lan

2021

Actuators

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In order to improve the quality of the laser and shorten the optical path of the fast steering mirror (FSM) laser compensation system, this paper proposes a four-degrees-of-freedom (4-DOF) voice coil motor (VCM) with the function of reducing laser geometrical fluctuations. The feature of this paper is the combination of a DC brushed spindle motor and the proposed 4-DOF VCM. A diffuser is installed on the shaft of the DC brushed motor for suppressing the laser speckle. The proposed 4-DOF VCM is combined with a laboratory-designed mirror set, controlling the laser direction to compensate for laser fluctuations. The proposed actuator was designed and verified by using the commercial CAD software SolidWorks and finite element analysis (FEA) software ANSYS. A mathematical model was built to simulate the dynamic response of the proposed 4-DOF VCM in MATLAB Simulink.

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Frequency stabilization of dual-mode microchip laser by means of beat frequency stabilization

Cited by 2 publications

References 17 publications

Parallel‐to‐orthogonal polarisation‐state converter for dual‐mode Nd:YVO ₄ microchip laser

Parallel‐to‐orthogonal polarisation‐state converter for dual‐mode Nd:YVO ₄ microchip laser

Design of 4-DOF Voice Coil Motor with Function of Reducing Laser Geometrical Fluctuations

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Frequency stabilization of dual-mode microchip laser by means of beat frequency stabilization

Cited by 2 publications

References 17 publications

Parallel‐to‐orthogonal polarisation‐state converter for dual‐mode Nd:YVO 4 microchip laser

Parallel‐to‐orthogonal polarisation‐state converter for dual‐mode Nd:YVO 4 microchip laser

Design of 4-DOF Voice Coil Motor with Function of Reducing Laser Geometrical Fluctuations

Contact Info

Product

Resources

About

Parallel‐to‐orthogonal polarisation‐state converter for dual‐mode Nd:YVO ₄ microchip laser

Parallel‐to‐orthogonal polarisation‐state converter for dual‐mode Nd:YVO ₄ microchip laser