Squeezing of photon-number fluctuations in the frequency range wider than 300 MHz in light-emitting diodes at room temperature

Journal of the Optical Society of America B: Optical Physics

Volumn 17, Issue 7, 2000, Pages 1257-1262

  Kobayashi, Masahide ^a   Kadoya, Yutaka ^a   Yuji, Hiroyuki ^a   Masuyama, Ryuji ^a   Yamanishi, Masamichi ^a  

^a HIROSHIMA UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

DOPING (ADDITIVES); HETEROJUNCTIONS; PHOTODIODES; PHOTONS; THERMAL EFFECTS;

PHOTON NUMBERS;

LIGHT EMITTING DIODES;

EID: 0034375604     PISSN: 07403224     EISSN: None     Source Type: Journal    
DOI: 10.1364/JOSAB.17.001257     Document Type: Article

References (26)

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7. To date, there have been also several reports on the sub-Poissonian light generation from LD's with recourse to optical feedback techniques. See, for example, F. Jérémie, C. Chabran, and P. Gallion, "Room-temperature generation of amplitude-squeezed light from 1550-nm distributed feedback semiconductor lasers," J. Opt. Soc. Am. B 16, 460464 (1999) and the references therein.
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16. Another approach may be to use a vertical-cavity surface emitting laser (VCSEL). Recently, the photon-number squeezing has been demonstrated with VCSEL's driven at injection currents in the mA range. [D. C. Kliper, P. A. Roos, J. L. Carlsten, and K. L. Lear, "Squeezed light generated by a microcavity laser," Phys. Rev. A 55, R3323-R3326 (1997); D. Wiedenmann, P. Schnitzer, C. Jung, M. Grabhen, R. Jäger, R. Michalzik, and K. J. Ebeling, "Noise characteristics of 850 nm single-mode vertical cavity surface emitting lasers," Appl. Phys. Lett. 73, 717-719 (1998).] However, to achieve the squeezing at lower injection levels, further reduction of the threshold current for the lasing is necessary, because, generally in LD's, the sub-Poissonian lights are obtained only when the injection level is sufficiently higher than the threshold for the lasing.
17. Another approach may be to use a vertical-cavity surface emitting laser (VCSEL). Recently, the photon-number squeezing has been demonstrated with VCSEL's driven at injection currents in the mA range. [D. C. Kliper, P. A. Roos, J. L. Carlsten, and K. L. Lear, "Squeezed light generated by a microcavity laser," Phys. Rev. A 55, R3323-R3326 (1997); D. Wiedenmann, P. Schnitzer, C. Jung, M. Grabhen, R. Jäger, R. Michalzik, and K. J. Ebeling, "Noise characteristics of 850 nm single-mode vertical cavity surface emitting lasers," Appl. Phys. Lett. 73, 717-719 (1998).] However, to achieve the squeezing at lower injection levels, further reduction of the threshold current for the lasing is necessary, because, generally in LD's, the sub-Poissonian lights are obtained only when the injection level is sufficiently higher than the threshold for the lasing.
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25. c ∼ 220 meV is sufficiently larger than the thermal energy, ≃26 meV.
26. For instance, H. C. Casey, Jr., and M. B. Panish, Heterostructure Lasers (Academic, New York, 1978), Part A, Chap. 3, p. 161.