Umeki T - Search Results

1

Apodized multiple quasi-phase-matched LiNbO3 device for low-cross-talk waveband conversion.

Tomita I, Umeki T, Tadanaga O, Song H, Asobe M. Tomita I, et al. Among authors: umeki t. Opt Lett. 2010 Mar 15;35(6):805-7. doi: 10.1364/OL.35.000805. Opt Lett. 2010. PMID: 20237605

2

Widely tunable 3.4 microm band difference frequency generation using apodized chi(2) grating.

Umeki T, Asobe M, Nishida Y, Tadanaga O, Magari K, Yanagawa T, Suzuki H. Umeki T, et al. Opt Lett. 2007 May 1;32(9):1129-31. doi: 10.1364/ol.32.001129. Opt Lett. 2007. PMID: 17410258

3

Unequally spaced multiple mid-infrared wavelength generation using an engineered quasi-phase-matching device.

Asobe M, Tadanaga O, Umeki T, Yanagawa T, Nishida Y, Magari K, Suzuki H. Asobe M, et al. Among authors: umeki t. Opt Lett. 2007 Dec 1;32(23):3388-90. doi: 10.1364/ol.32.003388. Opt Lett. 2007. PMID: 18059942

4

Phase-transparent flexible waveband conversion of 43 Gb/s RZ-DQPSK signals using multiple-QPM-LN waveguides.

Song H, Tadanaga O, Umeki T, Tomita I, Asobe M, Yamamoto S, Mori K, Yonenaga K. Song H, et al. Among authors: umeki t. Opt Express. 2010 Jul 19;18(15):15332-7. doi: 10.1364/OE.18.015332. Opt Express. 2010. PMID: 20720910 Free article.

5

Phase sensitive degenerate parametric amplification using directly-bonded PPLN ridge waveguides.

Umeki T, Tadanaga O, Takada A, Asobe M. Umeki T, et al. Opt Express. 2011 Mar 28;19(7):6326-32. doi: 10.1364/OE.19.006326. Opt Express. 2011. PMID: 21451659 Free article.

6

Phase sensitive amplification with noise figure below the 3 dB quantum limit using CW pumped PPLN waveguide.

Asobe M, Umeki T, Tadanaga O. Asobe M, et al. Among authors: umeki t. Opt Express. 2012 Jun 4;20(12):13164-72. doi: 10.1364/OE.20.013164. Opt Express. 2012. PMID: 22714344 Free article.

7

3-dB signal-ASE beat noise reduction of coherent multi-carrier signal utilizing phase sensitive amplification.

Umeki T, Takara H, Miyamoto Y, Asobe M. Umeki T, et al. Opt Express. 2012 Oct 22;20(22):24727-34. doi: 10.1364/OE.20.024727. Opt Express. 2012. PMID: 23187236 Free article.

8

In-line phase sensitive amplifier based on PPLN waveguides.

Umeki T, Asobe M, Takenouchi H. Umeki T, et al. Opt Express. 2013 May 20;21(10):12077-84. doi: 10.1364/OE.21.012077. Opt Express. 2013. PMID: 23736428 Free article.

9

Multi-span transmission using phase and amplitude regeneration in PPLN-based PSA.

Umeki T, Asobe M, Takara H, Miyamoto Y, Takenouchi H. Umeki T, et al. Opt Express. 2013 Jul 29;21(15):18170-7. doi: 10.1364/OE.21.018170. Opt Express. 2013. PMID: 23938687 Free article.

10

First demonstration of high-order QAM signal amplification in PPLN-based phase sensitive amplifier.

Umeki T, Tadanaga O, Asobe M, Miyamoto Y, Takenouchi H. Umeki T, et al. Opt Express. 2014 Feb 10;22(3):2473-82. doi: 10.1364/OE.22.002473. Opt Express. 2014. PMID: 24663539 Free article.

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