High carrier suppression double sideband modulation using an integrated LiNbO3 optical modulator

Tetsuya Kawanishi; Takahide Sakamoto; Masahiro Tsuchiya; Masayuki Izutsu

High carrier suppression double sideband modulation using an integrated LiNbO₃ optical modulator

Tetsuya Kawanishi^*, Takahide Sakamoto, Masahiro Tsuchiya, Masayuki Izutsu

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

7 Citations (Scopus)

Abstract

We proposed high carrier suppression double sideband modulation using a Mach-Zehnder optical modulator with active trimming technique. The modulator has a pair of trimmers in the arms of the Mach-Zehnder structure. The trimmers can compensate amplitude imbalance in the Mach-Zehnder structure due to fabrication error, where the imbalance generates residual carrier in double sideband suppressed carrier (DSB-SC) modulation. We demonstrated high carrier suppression ration of SOdB in DSB-SC modulation at 10.5GHz, by using an integrated Mach Zehnder LiNbO₃ modulator, where each arm has an intensity trimmer consisting of a sub Mach-Zehnder interferometer.

Original language	English
Title of host publication	International Topical Meeting on Microwave Photonics, MWP 2005
Pages	29-32
Number of pages	4
Publication status	Published - 2005
Externally published	Yes
Event	International Topical Meeting on Microwave Photonics, MWP 2005 - Seoul, Korea, Republic of Duration: 2005 Oct 12 → 2005 Oct 14

Publication series

Name	International Topical Meeting on Microwave Photonics, MWP 2005
Volume	2005

Other

Other	International Topical Meeting on Microwave Photonics, MWP 2005
Country/Territory	Korea, Republic of
City	Seoul
Period	05/10/12 → 05/10/14

Keywords

Active trimmer
Amplitude imbalance
Double sideband suppressed carrier
High carrier suppression
Mach-Zehnder structure
Optical modulation

ASJC Scopus subject areas

Engineering(all)

Cite this

High carrier suppression double sideband modulation using an integrated LiNbO₃ optical modulator. / Kawanishi, Tetsuya; Sakamoto, Takahide; Tsuchiya, Masahiro et al.
International Topical Meeting on Microwave Photonics, MWP 2005. 2005. p. 29-32 1590261 (International Topical Meeting on Microwave Photonics, MWP 2005; Vol. 2005).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kawanishi, T, Sakamoto, T, Tsuchiya, M & Izutsu, M 2005, High carrier suppression double sideband modulation using an integrated LiNbO₃ optical modulator. in International Topical Meeting on Microwave Photonics, MWP 2005., 1590261, International Topical Meeting on Microwave Photonics, MWP 2005, vol. 2005, pp. 29-32, International Topical Meeting on Microwave Photonics, MWP 2005, Seoul, Korea, Republic of, 05/10/12.

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N2 - We proposed high carrier suppression double sideband modulation using a Mach-Zehnder optical modulator with active trimming technique. The modulator has a pair of trimmers in the arms of the Mach-Zehnder structure. The trimmers can compensate amplitude imbalance in the Mach-Zehnder structure due to fabrication error, where the imbalance generates residual carrier in double sideband suppressed carrier (DSB-SC) modulation. We demonstrated high carrier suppression ration of SOdB in DSB-SC modulation at 10.5GHz, by using an integrated Mach Zehnder LiNbO3 modulator, where each arm has an intensity trimmer consisting of a sub Mach-Zehnder interferometer.

AB - We proposed high carrier suppression double sideband modulation using a Mach-Zehnder optical modulator with active trimming technique. The modulator has a pair of trimmers in the arms of the Mach-Zehnder structure. The trimmers can compensate amplitude imbalance in the Mach-Zehnder structure due to fabrication error, where the imbalance generates residual carrier in double sideband suppressed carrier (DSB-SC) modulation. We demonstrated high carrier suppression ration of SOdB in DSB-SC modulation at 10.5GHz, by using an integrated Mach Zehnder LiNbO3 modulator, where each arm has an intensity trimmer consisting of a sub Mach-Zehnder interferometer.

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