Generation of picosecond acoustic pulses using a p-n junction with piezoelectric effects

Kung-Hsuan Lin; Cheng-Ta Yu; Yu-Chieh Wen; Chi-Kuang Sun
February 2005
Applied Physics Letters;2/28/2005, Vol. 86 Issue 9, p093110
Academic Journal
We demonstrate the generation of picosecond acoustic pulses using a piezoelectric-semiconductor-based p-n junction structure. This p-n junction picosecond ultrasonic experiment confirms that the piezoelectric effect dominates the thermal expansion and deformation-potential coupling in the generation of picosecond acoustic pulses. The characteristics of the p-n initiated acoustic pulses are determined by the width and the field strength inside the depletion region. Our study indicates the future possibility to electrically control the acoustic pulse characteristics if we could apply an external bias to modulate the depletion region width.


Related Articles

  • Self-sustained picosecond pulse generation in a GaAlAs laser at an electrically tunable repetition rate by optoelectronic feedback. Lau, K. Y.; Yariv, A. // Applied Physics Letters;1984, Vol. 45 Issue 2, p124 

    We demonstrate that applying optoelectronic feedback to a high-speed, self-pulsing semiconductor laser is an effective and practical means of generating picosecond optical pulses (∼10-20 ps) at a very high repetition rate, between 1 to 5 GHz, which can be electrically tuned. The optical...

  • Switchable AlxGa1-xAs all-optical delay line at 1.55 μm. Bristow, A. D.; Iyer, R.; Aitchison, J. S.; van Driel, H. M.; Smirl, Arthur L. // Applied Physics Letters;3/5/2007, Vol. 90 Issue 10, p101112 

    The authors demonstrate an on-chip optical delay in AlxGa1-xAs that operates at room temperature and 1.55 μm. A nonlinear directional coupler for optical switching and a 188 ps long racetrack structure provide bit delays of >100 for picosecond pulses. In the linear regime the transmission...

  • Ultrafast laser orthogonal alignment and patterning of carbon nanotube-polymer composite films. Murphy, Ryan D.; Abere, Michael J.; Zhang, Huanan; Sun, Haiping; Torralva, Ben; Mansfield, John F.; Kotov, Nicholas A.; Yalisove, Steven M. // Applied Physics Letters;11/12/2012, Vol. 101 Issue 20, p203301 

    Dual orthogonal alignment of carbon nanotubes (CNTs) within the plane and perpendicular to a substrate is essential for many applications but difficult to obtain. Here, we demonstrate that it is possible using a combination of layer-by-layer deposition and ultrafast laser irradiation....

  • Generation of subpicosecond solitonlike optical pulses at 0.3 THz repetition rate by induced modulational instability. Tai, K.; Tomita, A.; Jewell, J. L.; Hasegawa, A. // Applied Physics Letters;8/4/1986, Vol. 49 Issue 5, p236 

    We report the generation of 0.5 ps full width at half-maximum optical pulses at >0.3 THz (tunable) repetition rate via an induced modulational instability in a single-mode fiber. A 1.319-μm neodymium:yttrium aluminum garnet laser is chosen as the carrier wave and the initial modulation on...

  • Generation of 290 fs laser pulses by self-seeding and soliton compression. Huhse, D.; Reimann, O. // Applied Physics Letters;10/25/1999, Vol. 75 Issue 17, p2530 

    Reports that self-seeding with subsequent chirp compensation presents a simple way to generate pulses of a few picoseconds width tunable over more than 30 nm. Generation of laser pulses with a full width at half maximum of less than 300 fs caused by compression of the laser pulses exploiting...

  • Measurement of pulse lengthening with pulse energy increase in picosecond Nd:YAG laser pulses. Cutolo, Antonello; Zeni, Luigi; Berardi, Vincenzo; Bruzzese, Riccardo; Solimeno, Salvatore; Spinelli, Nicola // Journal of Applied Physics;3/15/1989, Vol. 65 Issue 6, p2187 

    Examines the relative variations of time duration and mode size as a function of the pulse energy for 30 picosecond laser pulses. Key parameters of the active-passive mode-locked neodymium: yttrium aluminum garnet laser system used in the study; Description of the observed pulsed time duration...

  • Piezoresponse and ferroelectric properties of lead-free [Bi0.5(Na0.7K0.2Li0.1)0.5]TiO3 thin films by pulsed laser deposition. WangZ, D. Y.; Lin, D. M.; Wong, K. S.; Kwok, K. W.; Dai, J. Y.; Chan, H. L. W. // Applied Physics Letters;6/2/2008, Vol. 92 Issue 22, p222909 

    Polycrystalline lead-free piezoelectric [Bi0.5(Na0.7K0.2Li0.1)0.5]TiO3 (BNKLT) thin films were grown on Pt/Ti/SiO2/Si substrates using pulsed laser deposition (PLD). In this letter, we report the ferroelectric properties and piezoresponse of the PLD-produced BNKLT thin films. X-ray diffraction...

  • Competition between inverse piezoelectric effect and deformation potential mechanism in undoped GaAs revealed by ultrafast acoustics. Vaudel, G.; Ruello, P.; Pezeril, T.; Gusev, V. // EPJ Web of Conferences;2013, Issue 41, p04005-p.1 

    By using the picosecond ultrasonics technique, piezoelectric effect in <111> GaAs undoped sample at both faces (A[111] and B[-1-1-1]) is experimentally studied. We demonstrate that piezoelectric generation of sound can dominate in <111> GaAs material over the deformation potential mechanism even...

  • Monte Carlo investigation of the intrinsic mechanism of subpicosecond pulse generation by nonuniform illumination. Zhou, Xing; Alexandrou, Sotiris; Hsiang, Thomas Y. // Journal of Applied Physics;1/15/1995, Vol. 77 Issue 2, p706 

    Presents a study which described a Monte Carlo investigation of the intrinsic mechanism of subpicosecond electrical pulse generation by nonuniform illumination of gallium arsenide semiconductor transmission-line gaps. Information on the methods for subpicosecond electrical pulse generations;...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics