High-efficiency, zero-bias waveguide pin photodiode for low-power-consumption optical hybrid modules

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High-efficiency, zero-bias waveguide pin photodiode for low-power-consumption optical hybrid modules

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The authors propose a novel waveguide photodiode structure that has an intentionally doped p-type region in the photoabsorption layer in order to make the operating voltage lower while keeping a high efficiency. The fabricated device has a high efficiency of 0.94 A/W and a 3 dB bandwidth near 4 GHz at an operating voltage of 0 V. This waveguide photodiode is suitable for an optical hybrid module built with low-power ICs.

Inspec keywords: p-i-n photodiodes; optical waveguide components

Other keywords: efficiency; 0 V; optical hybrid module; power consumption; 4 GHz; photoabsorption layer; p-type doping; low-power IC; waveguide pin photodiode

Subjects: Optical waveguides; Photoelectric devices

References

    1. 1)
      • K. Kato , A. Kozen , Y. Muramoto , Y. Itaya , T. Nagatsuma , M. Yaita . 110-GHz, 505-efficiency mushroom-mesa waveguide p-i-n photodiodefor a 1.55-µm wavelength. IEEE Photonics Technol. Lett. , 719 - 721
    2. 2)
      • Y. Akatsu , Y. Muramoto , K. Kato , M. Ikeda , M. Ueki , A. Kozen , T. Kurosaki , K. Kawano , J. Yoshida . Long-wavelength multimodewaveguide photodiodes suitable for optical hybrid module integrated with planarlightwave circuit. Electron. Lett. , 2098 - 2100
    3. 3)
      • Y. Yamada , A. Takagi , I. Ogawa , M. Kawachi , M. Kobayashi . Silica-based optical waveguide on terraced silicon substrate as hybridintegration platform. Electron. Lett. , 444 - 446
    4. 4)
      • K. Kato , S. Hata , K. Kawano , J. Yoshida , A. Kozen . A high-efficiency 50 GHz InGaAs multimode waveguide photodetector. IEEE J. Quantum Electron. , 2728 - 2735
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