TUNABLE LASER BASED ON VERNIER EFFECT

TUNABLE LASER BASED ON VERNIER EFFECT

An external cavity diode laser (ECDL) tunable to a plurality of channels of any selected grid is configured with a volume Bragg grating (VBG) and a continuous wave (CW) chip. In accordance with aspect of the disclosure, the VBG is configured as a chirped volume bragg mirror (CVBM) provided with a ch...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SAMARTSEV, Igor, GLEBOV, Leonid, BUABBUD, George
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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Beschreibung
Zusammenfassung:An external cavity diode laser (ECDL) tunable to a plurality of channels of any selected grid is configured with a volume Bragg grating (VBG) and a continuous wave (CW) chip. In accordance with aspect of the disclosure, the VBG is configured as a chirped volume bragg mirror (CVBM) provided with a chirp of the grating period which is selected to compensate for a phase shift upon switching to a new desired wavelength. The desired wavelength is selected by using a Vernier effect between two tunable FP etalons.