Optical: systems and elements – Optical frequency converter
Reexamination Certificate
2006-07-25
2006-07-25
Lee, John D. (Department: 2874)
Optical: systems and elements
Optical frequency converter
C359S330000
Reexamination Certificate
active
07081983
ABSTRACT:
A wavelength conversion device including a nonlinear medium having quantum dots uses a tunable laser as an excitation light source of optical four wave mixing, and performs wavelength conversion for a wide bandwidth signal light with optical four wave mixing by employing a control apparatus for controlling an optical system including an optical path of a signal light and an optical system including an optical path of an excitation light in correspondence with a wavelength of a signal light that is to be wavelength converted.
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Bilenca, et al.,InAs/InP 1550nm quantum dash semiconductor optical amplifiers,Electronics Letters, vol. 38, No. 22, pp. 1350-1351, Oct. 24, 2002.
Akiyama et al.,Symmetric Highly Efficient(˜0dB)Wavelength Conversion Based on Four-Wave Mixing in Quantum Dot Optical Amplifiers,IEEE Photonics Technology Letters, vol. 14, No. 8, pp. 1139-1141, Aug. 2002.
Haruhiko Kuwatsuka, Hiroshi Ishikawa,Handotai Ritoku Baishitsuchu no Yonkoha Kongo ni Yoru Hacho Henkan Iso Kyoyakuha,Japanese Journal of Optics, vol. 27, No. 3, pp. 22-27, 1998.
Akiyama Tomoyuki
Hatori Nobuaki
Sugawara Mitsuru
Lee John D.
Westerman, Hattori, Daniels & Adrian , LLP.
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