Guided wave optics in periodically poled KTP: quadratic nonlinearity and prospects for attosecond jitter characterization

Author(s)
Roberts, Tony D.; Nejadmalayeri, Amir H.; Battle, Philip; Nejadmalayeri, Amir H.; Wong, Franco N. C.; ... Show more
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Abstract
For the first time to our knowledge, continuous nonsegmented channel waveguides in periodically poled KTiOPO4 with guided orthogonal polarizations are used to demonstrate type II background-free second harmonic generation in the telecom band with 1.6%/(W cm2) normalized conversion efficiency. This constitutes a 90-fold improvement in aggregate conversion efficiency over its free space counterpart. Simulations show that the guided wave device should enable the measurement of timing fluctuations of optical pulse trains at the attosecond level in an optical cross correlation scheme.
Date issued
2009-08
URI
http://hdl.handle.net/1721.1/49472
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Research Laboratory of Electronics
Journal
Optics Letters
Publisher
Optical Society of America
Citation
Amir H. Nejadmalayeri, Franco N. C. Wong, Tony D. Roberts, Philip Battle, and Franz X. Kärtner, "Guided wave optics in periodically poled KTP: quadratic nonlinearity and prospects for attosecond jitter characterization," Opt. Lett. 34, 2522-2524 (2009) http://www.opticsinfobase.org/abstract.cfm?URI=ol-34-16-2522
Version: Author's final manuscript
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