IEEE - Institute of Electrical and Electronics Engineers, Inc. - Optical modulation of transmission lines using picosecond optoelectronic techniques
Proceedings of IEEE. IEEE Region 10 Conference. TENCON 99. 'Multimedia Technology for Asia-Pacific Information Infrastructure'
|Publisher:||IEEE - Institute of Electrical and Electronics Engineers, Inc.|
|Publication Date:||1 January 1999|
|Conference Location:||Cheju Island, South Korea, South Korea|
|Conference Date:||15 September 1999|
Optical pulse energy controlled delay in the propagation time of electrical picosecond pulses in YBa/sub 2/Cu/sub 3/O/sub 7-x/ (YBCO) superconducting transmission lines has been investigated by... View More
Optical pulse energy controlled delay in the propagation time of electrical picosecond pulses in YBa/sub 2/Cu/sub 3/O/sub 7-x/ (YBCO) superconducting transmission lines has been investigated by using picosecond optoelectronic techniques. The transmission lines are microstrip lines on LaAlO/sub 3/ substrates and are illuminated by the frequency doubled output (532 nm) of a Nd:YAG laser. The propagation time of picosecond electrical pulses through the transmission lines was measured using electrical autocorrelation techniques with optical switches. By varying the optical pulse energy from 0 to 83 pJ the delay through the lines was tuned by 40 psec at 30 K. The propagation time shows a quadratic dependence on the optical pulse energy. As the optical pulse energy increases a gradual increase in pulse width was observed.View Less