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Efficient resonant frequency-doubling in semiconductor multilayers

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3 Author(s)
Khurgin, J.B. ; Dept. of Electr. & Comput. Eng., Johns Hopkins Univ., Baltimore, MD, USA ; Lee, S.J. ; Ding, Y.J.

We propose efficient frequency doubling in semiconductor multilayers. When the fundamental beam is coupled into the waveguide propagating along the multilayer plane, second-harmonic light emits from the the surface of the multilayer structures, normal to the propagation direction of the fundamental beam. The quasi-phasematching is achieved by growing alternating thin layers in which a single unit consists of two layers possessing different magnitudes of second-order susceptibilities. By properly designing the structures of multilayers, we can convert the spectrum of 0.8-2 μm to that of 0.4-1 μm using different structures. To reach 72% conversion efficiency for generating blue light based an ZnSe/ZnS multilayers, the input power is estimated to be ≈65 mW

Published in:

Aerospace and Electronics Conference, 1994. NAECON 1994., Proceedings of the IEEE 1994 National

Date of Conference:

23-27 May 1994