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

Hongbin Song | Zendy; O. Tadanaga | Zendy; Takeshi Umeki | Zendy; Isao Tomita | Zendy; Masaki Asobe | Zendy; Shuto Yamamoto | Zendy; Kunihiko Mori | Zendy; K. Yonenaga | Zendy

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

Author(s) -

Hongbin Song,

O. Tadanaga,

Takeshi Umeki,

Isao Tomita,

Masaki Asobe,

Shuto Yamamoto,

Kunihiko Mori,

K. Yonenaga

Publication year - 2010

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.18.015332

Subject(s) - optics , phase shift keying , lithium niobate , polarization (electrochemistry) , keying , materials science , energy conversion efficiency , phase (matter) , optoelectronics , physics , bit error rate , telecommunications , computer science , channel (broadcasting) , chemistry , quantum mechanics

We report phase-transparent waveband conversion with polarization insensitivity based on second harmonic (SH) wave pumped difference frequency generation (DFG) using multiple-quasi-phase-matched LiNbO(3) (QPM-LN) waveguides. Flexible waveband conversion is demonstrated over the entire C-band using a tunable DFB-LD array (TLA) as a pump source for a multiple-QPM-LN waveguide. The penalty free waveband conversion of 43 Gb/s return-to-zero differential quadrature phase-shift-keying (RZ-DQPSK) waveband signals is successfully achieved.

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