High power terahertz generation using 1550nm plasmonic photomixers

被引：73

作者：

Berry, Christopher W. ^{[1
]}

Hashemi, Mohammad R. ^{[1
,2
]}

Preu, Sascha ^{[3
]}

Lu, Hong ^{[4
]}

Gossard, Arthur C. ^{[4
]}

Jarrahi, Mona ^{[1
,2
]}

机构：

[1] Univ Michigan, Dept Elect Engn & Comp Sci, Ann Arbor, MI 48109 USA

[2] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA

[3] Tech Univ Darmstadt, Dept Elect Engn & Informat Technol, D-64283 Darmstadt, Germany

[4] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA

来源：

APPLIED PHYSICS LETTERS | 2014年 / 105卷 / 01期

基金：

美国国家科学基金会;

关键词：

PHOTOCONDUCTIVE ANTENNA; MU-M; GAAS; ENHANCEMENT;

D O I：

10.1063/1.4890102

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present a 1550 nm plasmonic photomixer operating under pumping duty cycles below 10%, which offers significantly higher terahertz radiation power levels compared to previously demonstrated photomixers. The record-high terahertz radiation powers are enabled by enhancing the device quantum efficiency through use of plasmonic contact electrodes, and by mitigating thermal breakdown at high optical pump power levels through use of a low duty cycle optical pump. The repetition rate of the optical pump can be specifically selected at a given pump duty cycle to control the spectral linewidth of the generated terahertz radiation. At an average optical pump power of 150 mW with a pump modulation frequency of 1 MHz and pump duty cycle of 2%, we demonstrate up to 0.8 mW radiation power at 1 THz, within each continuous wave radiation cycle. (C) 2014 AIP Publishing LLC.

引用

页数：4

共 23 条

[11] Planar log-periodic antennas on extended hemishperical silicon lenses for millimeter/submillimeter wave detection applications [J].

Huo, YM ;

Taylor, GW ;

Bansal, R .

INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES, 2002, 23 (06) :819-839

[12] Coherent Detection of Multiband Terahertz Radiation Using a Surface Plasmon-Polariton Based Photoconductive Antenna [J].

Liu, Shuchang ;

Shou, Xiang ;

Nahata, Ajay .

IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY, 2011, 1 (02) :412-415

[13] Large-area traveling-wave photonic mixers for increased continuous terahertz power [J].

Michael, EA ;

Vowinkel, B ;

Schieder, R ;

Mikulics, M ;

Marso, M ;

Kordos, P .

APPLIED PHYSICS LETTERS, 2005, 86 (11) :1-3

[14] THz generation using extrinsic photoconductivity at 1550 nm [J].

Middendorf, J. R. ;

Brown, E. R. .

OPTICS EXPRESS, 2012, 20 (15) :16504-16509

[15] Terahertz photoconductive antenna with metal nanoislands [J].

Park, Sang-Gil ;

Choi, Yongje ;

Oh, Young-Jae ;

Jeong, Ki-Hun .

OPTICS EXPRESS, 2012, 20 (23) :25530-25535

[16] Enhancement of Terahertz Pulse Emission by Optical Nanoantenna [J].

Park, Sang-Gil ;

Jin, Kyong Hwan ;

Vi, Minwoo ;

Ye, Jong Chul ;

Ahn, Jaewook ;

Jeong, Ki-Hun .

ACS NANO, 2012, 6 (03) :2026-2031

[17] Milliwatt-level output power in the sub-terahertz range generated by photomixing in a GaAs photoconductor [J].

Peytavit, E. ;

Lepilliet, S. ;

Hindle, F. ;

Coinon, C. ;

Akalin, T. ;

Ducournau, G. ;

Mouret, G. ;

Lampin, J. -F. .

APPLIED PHYSICS LETTERS, 2011, 99 (22)

[18] Tunable, continuous-wave Terahertz photomixer sources and applications [J].

Preu, S. ;

Doehler, G. H. ;

Malzer, S. ;

Wang, L. J. ;

Gossard, A. C. .

JOURNAL OF APPLIED PHYSICS, 2011, 109 (06)

[19] Photomixing and photoconductor measurements on ErAs/InGaAs at 1.55 μm [J].

Sukhotin, M ;

Brown, ER ;

Gossard, AC ;

Driscoll, D ;

Hanson, M ;

Maker, P ;

Muller, R .

APPLIED PHYSICS LETTERS, 2003, 82 (18) :3116-3118

[20] Fe-implanted InGaAs terahertz emitters for 1.56 μm wavelength excitation -: art. no. 051104 [J].

Suzuki, M ;

Tonouchi, M .

APPLIED PHYSICS LETTERS, 2005, 86 (05) :1-3

← 1 2 3 →