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Proceedings Paper

High-power-handling linear-integrated coherent photoreceivers for RF photonics
Author(s): Abhay Joshi; Shubhashish Datta; Jim Rue; Sruti Rajagopalan; Shaun Lemke
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Paper Abstract

We report integrated coherent optical receivers designed specifically for RF Photonics applications. These receivers may be implemented in either single- or dual-polarization (DP) systems which utilize I/Q (in-phase, quadrature) phase modulation. The integrated receivers incorporate a monolithic 90 degree optical hybrid followed by eight high power-handling InGaAs photodiodes. Linear operation to +27 dBm of total optical input power, 20 mA photocurrent per diode, output third-order intercept (OIP3) > 40 dBm, third-order harmonic distortion < -100 dBc, and RF bandwidths > 4 GHz is presented. Such photoreceiver power-handling and linearity is required to optimize the photonic system spurious free dynamic range (SFDR), noise figure (NF) and link gain.

Paper Details

Date Published: 31 May 2013
PDF: 7 pages
Proc. SPIE 8720, Photonic Applications for Aerospace, Commercial, and Harsh Environments IV, 872011 (31 May 2013); doi: 10.1117/12.2016613
Show Author Affiliations
Abhay Joshi, Discovery Semiconductors, Inc. (United States)
Shubhashish Datta, Discovery Semiconductors, Inc. (United States)
Jim Rue, Discovery Semiconductors, Inc. (United States)
Sruti Rajagopalan, Discovery Semiconductors, Inc. (United States)
Shaun Lemke, Discovery Semiconductors, Inc. (United States)


Published in SPIE Proceedings Vol. 8720:
Photonic Applications for Aerospace, Commercial, and Harsh Environments IV
Alex A. Kazemi; Bernard C. Kress; Simon Thibault, Editor(s)

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