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Proceedings Paper

Tunable second harmonic generation devices with an integrated micro-heater
Author(s): Yi Gan; Wanguo Liang; Chang-Qing Xu
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Paper Abstract

We present design, fabrication and characterization of a novel integrated device for tuning the wavelength of quasi-phase matched (QPM) second harmonic generation (SHG) in a periodically poled lithium niobate (PPLN) wavelength converter. A Cr/Pt/Au thin film layer is deposited on a PPLN device with a polymer buffer layer to work as a micro-heater. Wavelength tuning is achieved by applying current to the micro-heater, which changes the effective period of QPM grating and thus the QPM wavelength through the thermal optics effect (TOE). In contrast to the conventional temperature tuning method based on a bulky oven, the proposed device has excellent characteristics such as compact, fast tuning speed and low power consumption.

Paper Details

Date Published: 13 February 2008
PDF: 8 pages
Proc. SPIE 6875, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VII, 687506 (13 February 2008); doi: 10.1117/12.763922
Show Author Affiliations
Yi Gan, McMaster Univ. (Canada)
Wanguo Liang, McMaster Univ. (Canada)
Chang-Qing Xu, McMaster Univ. (Canada)


Published in SPIE Proceedings Vol. 6875:
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VII
Peter E. Powers, Editor(s)

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