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Tunable light source using a liquid-crystal Fabry-Perot interferometer

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4 Author(s)
Tsuda, H. ; NTT Opto-Electron. Lab., Kanagawa, Japan ; Hirabayashi, K. ; Tohmori, Y. ; Kurokawa, T.

A tunable light source with a liquid-crystal Fabry-Perot interferometer (LC-FPI) tuning element that emits a laser beam with a tuning range of 41 nm has been constructed. Incorporating a multiple quantum well (MQW) laser diode with a phase control (PC) section enables the selection of almost all external modes. Stable single-mode emission is obtained for the region, except where the slope of the lasing wavelength versus applied voltage to the liquid crystal is quite large.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:3 ,  Issue: 6 )