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Electronically tunable external-cavity semiconductor laser

Electronically tunable external-cavity semiconductor laser

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We have demonstrated electronic tunability of 35 nm in an external cavity GaAs semiconductor laser by using an acousto-optic (AO) tunable filter and an AO modulator inside the cavity. Tuning is accomplished by varying only the drive frequency of the AO devices.

References

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      • R. Wyatt , W.xJ. Devlin . 10kHz linewidth 1.5μm InGaAsP external cavity laser with 55nm tuning range. Electron. Lett. , 110 - 112
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      • R.J. Fu , C.J. Hwang , C.S. Wang , B. Lalevic . Single-mode, high-power GaAlAs/GaAs lasers. Appl. Phys. Lett. , 716 - 718
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      • S.E. Harris , S.T.K. Nieh , D.K. Winslow . Electronically tunable acousto-optic filter. Appl. Phys. Lett. , 325 - 326
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      • T. Yano , A. Watanabe . Acousto-optic TeO2 tunable filter using far off-axis anistroptic Bragg diffraction. Appl. Opt. , 2250 - 2258
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