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Simultaneous Wavelength-Swept Generation in NIR and SWIR Bands Over Combined 329-nm Band Using Swept-Pump Fiber Optical Parametric Oscillator

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4 Author(s)
Kuo, B.P.-P. ; Dept. of Electr. & Comput. Eng., Univ. of California, San Diego, CA, USA ; Alic, N. ; Wysocki, P.F. ; Radic, S.

We report the demonstration of a new wavelength-swept source. Utilizing narrowband, widely tunable fiber optical parametric process as the gain and the wavelength selection mechanism in a ring laser topology, simultaneous access to two distinct bands (NIR and SWIR) over 329 nm was achieved. A nonmechanical cavity-tuning mechanism allowed for ultrafast sweep rate, limited primarily by the speed of the tunable pump source confined to a conventional 1550-nm band. With the experimentally verified order-of-magnitude enhancement in sweep range and speed, the source opens a path for spectral scanning at an unprecedented speed and range while relying on existing tuning technologies.

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Lightwave Technology, Journal of  (Volume:29 ,  Issue: 4 )