Optically activated switches for the generation of complex electrical waveforms with multigigahertz bandwidth

Mark D. Skeldon; Andrey V. Okishev; Samuel A. Letzring; William R. Donaldson; Kenton Green; Wolf D. Seka; Lynn F. Fuller

doi:10.1117/12.198647

4 January 1995 Optically activated switches for the generation of complex electrical waveforms with multigigahertz bandwidth

Mark D. Skeldon, Andrey V. Okishev, Samuel A. Letzring, William R. Donaldson, Kenton Green, Wolf D. Seka, Lynn F. Fuller

Author Affiliations +

Proceedings Volume 2343, Optically Activated Switching IV; (1995) https://doi.org/10.1117/12.198647
Event: Photonics for Industrial Applications, 1994, Boston, MA, United States

Abstract

An electrical pulse-generation system using two optically activated Si photoconductive switches can generate shaped electrical pulses with multigigahertz bandwidth. The Si switches are activated by an optical pulse whose leading edge is steepened by stimulated Brillouin scattering (SBS) in CCl₄. With the bandwidth generated by the SBS process, a laser having a 1- to 3-ns pulse width is used to generate electrical pulses with approximately 80-ps rise times (approximately 4-GHz bandwidth). Variable impedance microstrip lines are used to generate complex electrical waveforms that can be transferred to a matched load with minimal loss of bandwidth.

Citation Download Citation

Mark D. Skeldon, Andrey V. Okishev, Samuel A. Letzring, William R. Donaldson, Kenton Green, Wolf D. Seka, and Lynn F. Fuller "Optically activated switches for the generation of complex electrical waveforms with multigigahertz bandwidth", Proc. SPIE 2343, Optically Activated Switching IV, (4 January 1995); https://doi.org/10.1117/12.198647

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