Highly sensitive and wideband optical detector in patterned YBa2Cu3O7-d thin film

Ken'ichi Tanaka; Yuichi Harada; Martin Danerud; Matsuo Sekine; Motoichi Ohtsu

doi:10.1117/12.271202

15 April 1997 Highly sensitive and wideband optical detector in patterned YBa2Cu3O7-d thin film

Ken'ichi Tanaka, Yuichi Harada, Martin Danerud, Matsuo Sekine, Motoichi Ohtsu

Proceedings Volume 2999, Photodetectors: Materials and Devices II; (1997) https://doi.org/10.1117/12.271202
Event: Photonics West '97, 1997, San Jose, CA, United States

Abstract

We have demonstrated an optical detector based on patterned YBa₂Cu₃O_7-(delta ) thin films. The responses up to 18 GHz were observed using two wavelength lasers. The amplitude of the light was modulated up to 18 GHz by an optical heterodyne mixing system. The responsivity of the detectors is over 50 V/W for different wavelength lasers below 1 Hz and the responsivity is 4 mV/W at the 780 nm wavelength and 30 mV/W at 1.5 micrometers in the region from 3 GHz to 18 GHz. Our detector is one of the promising candidates for highly sensitive and wideband optical receiver.

Citation Download Citation

Ken'ichi Tanaka, Yuichi Harada, Martin Danerud, Matsuo Sekine, and Motoichi Ohtsu "Highly sensitive and wideband optical detector in patterned YBa2Cu3O7-d thin film", Proc. SPIE 2999, Photodetectors: Materials and Devices II, (15 April 1997); https://doi.org/10.1117/12.271202

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