Simultaneous multi-wavelength oscillation of Nd laser around 1.3 μm: A potential source for coherent terahertz generation

doi:10.1364/OE.14.004721

Simultaneous multi-wavelength oscillation of Nd laser around 1.3 μm: A potential source for coherent terahertz generation

Ardhendu Saha, Aniruddha Ray, Sourabh Mukhopadhyay, Nandita Sinha, Prasanta K. Datta, and Pranab K. Dutta »View Author Affiliations

Optics Express, Vol. 14, Issue 11, pp. 4721-4726 (2006)
http://dx.doi.org/10.1364/OE.14.004721

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Abstract

Simultaneous oscillations of 1318.8nm, 1320.0nm, 1332.6nm, 1335.0nm, 1338.2nm and 1339.0nm in a side, pulsed-diode-laser-array pumped Nd:YAG laser is realized for both free running and Q-switched operation. An average power of 1.1W is obtained for an absorbed pump power of 7.1W with an effective optical slope efficiency of 33%. The difference frequency interactions among these wavelengths may be used to generate radiation in the range 0.13–3.43THz. With the two most intense lines at 1318.8nm and 1338.2nm, it is possible to generate coherent radiation at 3.3THz with numerically estimated peak power of 0.21W in a 1.5mm thick GaSe crystal.

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3580) Lasers and laser optics : Lasers, solid-state
(190.0190) Nonlinear optics : Nonlinear optics
(260.3090) Physical optics : Infrared, far

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: February 6, 2006
Revised Manuscript: May 9, 2006
Manuscript Accepted: May 9, 2006
Published: May 29, 2006

Citation
Ardhendu Saha, Aniruddha Ray, Sourabh Mukhopadhyay, Nandita Sinha, Prasanta K. Datta, and Pranab K. Dutta, "Simultaneous multi-wavelength oscillation of Nd laser around 1.3 μm: A potential source for coherent terahertz generation," Opt. Express 14, 4721-4726 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-11-4721

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References

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P. X. Li, D. H. Li, C. Y. Li, and Z. G. Zhang, "Simultaneous dual-wavelength continuous wave laser operation at 1.06 μm and 946 nm in Nd:YAG and their frequency doubling," Opt. Commun. 235, 169-174, (2004). [CrossRef]
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W. Shi, Y.J. Ding, N. Fernelius, and K. Vodopyanov, "Efficient, tunable, and coherent 0.18- 5.27-THz source based on GaSe crystal," Opt. Lett. 27, 1454-1456, (2002). [CrossRef]
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Appl. Opt.

Appl. Phys. Lett.

M. Brucherseifer, M. Nagel, P. Haring Bolivar, H. Kurz, A. Bosserhoff, and R. Buttner, "Label-free probing of the binding state of DNA by time-domain terahertz sensing," Appl. Phys. Lett. 77, 4049-4051, (2000). [CrossRef]
W. Shei and Y. J. Ding, "Continuously tunable and coherent terahertz radiation by means of phase-matched difference frequency generation in zinc germanium phosphide," Appl. Phys. Lett. 83, 848-850 (2003). [CrossRef]

Chinese Opt. Lett.

R. Zhou, W. Wen, Z. Cai, X. Ding, P. Wang, and J. Yao, "Efficient stable simultaneous CW dual wavelength diode-end-pumped Nd:YAG laser operating at 1.319 and 1.338 μm," Chinese Opt. Lett. 3, 597-599, (2005).

Electron. Lett.

T. Taniuchi, S. Okada, and H. Nakanishi, "Widely-tunable THz-wave generation in 2-20THz range from DAST crystal by nonlinear difference frequency mixing," Electron. Lett. 40, 60-61 (2004). [CrossRef]

IEEE J. Quantum. Electron.

H. Y. Shen, R. R. Zeng, Y. P. Zhou, G. F. Yu, C. H. Huang, Z.D. Zeng, W. J. Zhang, and Q. J. Ye, "Simultaneous multiple wavelength laser action in various Neodymium host crystals," IEEE J. Quantum. Electron. 27, 2315-2318 (1991). [CrossRef]
J. Marling, "1.05-1.44 μm Tunability and Performance of the CW Nd3+ :YAG Laser," IEEE J. Quantum. Electron. 14, 56-62, (1978). [CrossRef]

Nature Materials

B. Ferguson and X. C. Zhang, "Materials for terahertz science and technology," Nature Materials 1, 26-33 (2002). [CrossRef]

Opt. Commun.

Y. Lu, B. Zhang, E. Li, D. Xu, R. Zhou, X. Zhao, F. Ji, T. Zhang, P. Wang, and J. Yao, "High-power simultaneous dual-wavelength emission of an end-pumped Nd:YAG laser using the quasi-three-level and the four-level transition," Opt. Commun. (2006) (in press). [CrossRef]
P. X. Li, D. H. Li, C. Y. Li, and Z. G. Zhang, "Simultaneous dual-wavelength continuous wave laser operation at 1.06 μm and 946 nm in Nd:YAG and their frequency doubling," Opt. Commun. 235, 169-174, (2004). [CrossRef]

Opt. Lett.

W. Shi, Y.J. Ding, N. Fernelius, and K. Vodopyanov, "Efficient, tunable, and coherent 0.18- 5.27-THz source based on GaSe crystal," Opt. Lett. 27, 1454-1456, (2002). [CrossRef]

Proc. SPIE

M. A. Frerking, "Submillimeter source needs for NASA mission," Proc. SPIE 2145, 222-229 (1994). [CrossRef]
B. D. Guenther, "Terahertz sources," Proc. SPIE 2145, 120-129 (1994). [CrossRef]

Other

W. Koechner, "Solid-State Laser Engineering," Springer, 5th Ed., pp. 46-56, 1999.
R. L. Sutherland, "Handbook of nonlinear optics," Marcel Dekker Inc, 87, (1996).

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