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Optics Letters

Optics Letters


  • Vol. 26, Iss. 10 — May. 15, 2001
  • pp: 731–733

Picosecond time-resolved photoluminescence at detection wavelengths greater than 1500 nm

Jason M. Smith, Philip A. Hiskett, and Gerald S. Buller  »View Author Affiliations

Optics Letters, Vol. 26, Issue 10, pp. 731-733 (2001)

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We report what is to our knowledge the first application of high-efficiency InGaAs/InP photon-counting diode detectors in time-resolved photoluminescence measurements at wavelength greater than 1500 nm. When they were cooled to 77 K and used in conjunction with the time-correlated single-photon counting technique, the detectors were capable of an instrumental response of 230 ps and a noise equivalent power of 2×10-17W Hz-1/2 . Preliminary measurement of a semiconductor heterostructure indicates sensitivity at photogenerated carrier densities as low as 1014cm -3 . This development facilitates the detailed characterization of dominant recombination mechanisms in semiconductor optoelectronic materials and devices designed to operate in the third telecommunications spectral window.

© 2001 Optical Society of America

OCIS Codes
(040.5570) Detectors : Quantum detectors
(250.5230) Optoelectronics : Photoluminescence
(300.6340) Spectroscopy : Spectroscopy, infrared
(300.6500) Spectroscopy : Spectroscopy, time-resolved

Jason M. Smith, Philip A. Hiskett, and Gerald S. Buller, "Picosecond time-resolved photoluminescence at detection wavelengths greater than 1500 nm," Opt. Lett. 26, 731-733 (2001)

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  1. See, for example, D. V. O'Connor and D. Phillips, Time-Correlated Single Photon Counting (Academic, London, 1984).
  2. G. S. Buller, S. J. Fancey, J. S. Massa, A. C. Walker, S. Cova, and A. Lacaita, Appl. Opt. 35, 916 (1996).
  3. G. S. Buller, J. S. Massa, and A. C. Walker, Rev. Sci. Instrum. 63, 2994 (1992).
  4. R. Takahashi, Y. Kawamura, T. Kagawa, and H. Iwamura, Appl. Phys. Lett. 65, 1790 (1994).
  5. A. D. Güçlü, C. Rejeb, R. Maciejko, D. Morris, and A. Champagne, J. Appl. Phys. 86, 3391 (1999).
  6. Z. I. Alferov, A. B. Zuravlev, E. L. Portnoi, and N. M. Stel'makh, Sov. Tech. Phys. Lett. 12, 452 (1996).
  7. J. M. Smith, P. A. Hiskett, I. Gontijo, L. Purves, and G. S. Buller, “A picosecond time-resolved photoluminescence microscope with detection at wavelengths greater than 1500 nm,” Rev. Sci. Instrum. (to be published).
  8. P. A. Hiskett, J. M. Smith, A. Y. Loudon, G. S. Buller, P. D. Townsend, and M. J. Robertson, Appl. Opt. 39, 6818 (2000).
  9. Here I have taken the radiative recombination coefficient to be B=1×10-10cm 3s -1. The detection volume is the product of the detection area (~50mm 2) with the sum of the quantum well widths (60×10nm), and the objective lens has a numerical aperture of 0.4, giving an optical collection efficiency of ~0.3%.
  10. For a full treatment, See Ref. 7.

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