Rapid wavelength scanning based on acousto-optically tuned external-cavity laser diode

High-speed, wide-range wavelength scanning is demonstrated using a laser diode with an antireflection coating and an external cavity employing an acousto-optic deflector. The narrow spectral width of 0.2 nm observed in the experiment indicates the availability of a highly coherent laser beam. The sc...

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Veröffentlicht in:Optics communications 2011-09, Vol.284 (19), p.4615-4618
Hauptverfasser: Suzuki, Takamasa, Nagai, Ryu-ichi, Sasaki, Osami, Choi, Samuel
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container_title Optics communications
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creator Suzuki, Takamasa
Nagai, Ryu-ichi
Sasaki, Osami
Choi, Samuel
description High-speed, wide-range wavelength scanning is demonstrated using a laser diode with an antireflection coating and an external cavity employing an acousto-optic deflector. The narrow spectral width of 0.2 nm observed in the experiment indicates the availability of a highly coherent laser beam. The scanning range of 15 nm under rapid modulation is confirmed in the prototype system. A tuning rate of more than 100 kHz is achieved without any mode hops. To the best of our knowledge, no such high-speed wavelength tuning based on an acousto-optical configuration has been demonstrated thus far.
doi_str_mv 10.1016/j.optcom.2011.06.012
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source Elsevier ScienceDirect Journals Complete
subjects Acousto-optic deflector
Antireflection coatings
External-cavity
External-cavity lasers
High speed
Laser diode
Laser diodes
Modulation
Scanning
Tuning
Wavelength scan
Wavelengths
title Rapid wavelength scanning based on acousto-optically tuned external-cavity laser diode
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