Abstract
A long-wavelength multichannel tunable photodetector array was fabricated based on multistep Fabry-Pérot filter and thermal-optic effect. The array can detect multiple channels, and the tuning range of each detector is 10nm. A spectral linewidth of 0.5nm, a quantum efficiency over 27%, and a 3dB bandwidth of 9.2GHz were simultaneously obtained.
© 2009 OSA, IEEE Photonics Society, SPIE, COS, CIC
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