A monolithic photoreceiver is described, which combines a vertical cavity optical amplifier (VCSEL) optical preamplifier (VCSOA) with an RTBT optical converter in a totally monolithic approach, thus enabling low SWaP and multi-use capabilities. The optical amplifier is capable of optical gain as high as 15 dB and noise figure as low as 4-6 dB. The optical converter has sensitivities of -32.5 dBm at 2.5 Gb/s and BER of 10/sup -9/, that are comparable to or better than APD and PIN diode photoreceivers. The monolithic photoreceiver, resulting from integrating the optical amplifier and optical converter, is capable of sensitivities approaching -47 dBm at a BER of 10/sup -9/ and a bit rate of 2.5 Gb/s. The monolithic photoreceiver can be applied to imaging ladar and remote sensing for maximum ranges as high as 220 km and resolution as low as 25 cm.
Multi-use, low SWaP, ultra-sensitive photoreceiver arrays for ladar & remote sensing
2004 IEEE Aerospace Conference Proceedings (IEEE Cat. No.04TH8720) ; 3 ; 1744 Vol.3
2004-01-01
781749 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
5.0207 Multi-use, Low SWaP, Ultra-sensitive Photoreceiver Arrays for Ladar & Remote Sensing
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