Presentation 2012-07-26
Experimental Study on Optical Injection Locking by Two-tone Lightwaves
Keizo INAGAKI, Tetsuya KAWANISHI,
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Abstract(in English) We are developing a two-tone light source as a measurement instrument of photodetectors. The two-tone light source can generate two lightwaves whose frequency difference is tunable, and the power and polarization of them are equal, however the absolute optical power of the source is not sufficient. Optical amplifier would increase ASE noise, which results in the measurement accuracy degradation. Optical injection locking technique can be used to amplify the optical power without significant noise. In this paper, we will report on our results of optical injection locking experiment, by using the two-tone light source as a master laser and Fabry-Perot lasers as slave lasers. The two-tone optical signal is amplified in 17.5dB and the RF signal power from PD is increased with 34.7dB. However, it is also revealed that the RF signal was affected by unwanted pulse signal, which degrade the spectral purity.
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Keyword(in English) Two-tone lightwave / Optical Injection Locking / PD frequency response measurement / High extinction ratio Mach-Zehnder optical modulator
Paper # MW2012-42,OPE2012-35,EST2012-24,MWP2012-23
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Committee EST
Conference Date 2012/7/19(1days)
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Registration To Electronic Simulation Technology (EST)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Experimental Study on Optical Injection Locking by Two-tone Lightwaves
Sub Title (in English)
Keyword(1) Two-tone lightwave
Keyword(2) Optical Injection Locking
Keyword(3) PD frequency response measurement
Keyword(4) High extinction ratio Mach-Zehnder optical modulator
1st Author's Name Keizo INAGAKI
1st Author's Affiliation Photonic Network Research Institute, National Institute of Information and Communications Technology()
2nd Author's Name Tetsuya KAWANISHI
2nd Author's Affiliation Photonic Network Research Institute, National Institute of Information and Communications Technology
Date 2012-07-26
Paper # MW2012-42,OPE2012-35,EST2012-24,MWP2012-23
Volume (vol) vol.112
Number (no) 157
Page pp.pp.-
#Pages 4
Date of Issue