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1 July 1997 All-optical photonic devices
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Importance of acousto-optical devices in photonics as a modulator, Q-switch, passive-mode locker is well known. In these devices the acoustic signal or ultrasound is generated in a solid medium using an electronic signal applied to a transducer bonded to the acousto-optic medium. However, it is well-known that ultrasound can also be generated using high power light pulses incident on the medium. This method not only avoids the use of transducer and electronics associated with it but also has the potential of performing acousto-optic interaction in the terahertz regime using femto-sec pulses. Some preliminary experiments have been performed using LiNiO3 SAW delay line and a beam splitter. Results indicate that once optimized, these devices are useful and efficient.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Pankaj K. Das, Andrew R. Pirich, and Agostino Abbate "All-optical photonic devices", Proc. SPIE 3075, Photonic Processing Technology and Applications, (1 July 1997);

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