A novel photodetector with wavemeter capability in the near infrared is demonstrated. The device is an InGaAsP/InGaAs double heterostructure operating as two back-to-back photodiodes with different spectral responses. This prototype is able to determine monochromatic-light wavelengths with an accuracy of +/- 40 pin around 1.55 mum and a sensitivity of about 0.14 muA/nm.
Colace, L., Masini, G., Assanto, G. (2002). Solid state wavemeter with InGaAsP/InGaAs two-diode heterostructure. ELECTRONICS LETTERS, 38(14), 735-737 [10.1049/el:20020525].
Solid state wavemeter with InGaAsP/InGaAs two-diode heterostructure
COLACE, Lorenzo;ASSANTO, GAETANO
2002-01-01
Abstract
A novel photodetector with wavemeter capability in the near infrared is demonstrated. The device is an InGaAsP/InGaAs double heterostructure operating as two back-to-back photodiodes with different spectral responses. This prototype is able to determine monochromatic-light wavelengths with an accuracy of +/- 40 pin around 1.55 mum and a sensitivity of about 0.14 muA/nm.File in questo prodotto:
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