Measurement of intermodulation distortion in high-linearity photodiodes | Zendy

Anand Ramaswamy | Zendy; Nobuhiro Nunoya | Zendy; Keith J. Williams | Zendy; Jonathan Klamkin | Zendy; Molly Piels | Zendy; Leif A. Johansson | Zendy; Alexander S. Hastings | Zendy; L.A. Coldren | Zendy; John E. Bowers | Zendy

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Measurement of intermodulation distortion in high-linearity photodiodes

Author(s) -

Anand Ramaswamy,

Nobuhiro Nunoya,

Keith J. Williams,

Jonathan Klamkin,

Molly Piels,

Leif A. Johansson,

Alexander S. Hastings,

L.A. Coldren,

John E. Bowers

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.18.002317

Subject(s) - intermodulation , photodiode , linearity , optics , distortion (music) , photodetector , optoelectronics , materials science , silicon on insulator , physics , silicon , amplifier , cmos , quantum mechanics

Accurately characterizing third order intermodulation distortion (IMD3) in high-linearity photodiodes is challenging. Two measurement techniques are evaluated-a standard two-tone measurement and a more complicated three-tone measurement technique to measure IMD3. A model of the measurement system is developed and used to analyze the limitations of the two techniques in determining the distortion of highly linear photodiodes. Experimental validation is provided by comparing the simulation trends with IMD3 results measured on two types of waveguide photodiodes: 1) an InP based uni-traveling-carrier (UTC) photodiode and 2) a Ge n-i-p waveguide photodetector on Silicon-on-Insulator (SOI) substrate.

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