Title

High Power Generation of THz From 1550-NM Photoconductive Emitters

Document Type

Article

Publication Date

5-28-2018

Abstract

Two photoconductive emitters - one with a self-complementary square spiral antenna, and the other with a resonant slot antenna - were fabricated on a GaAs epilayer embedded with ErAs quantum dots. Driven with 1550 nm mode-locked lasers, ~117 μW broadband THz power was generated from the device with the spiral antenna, and ~1.2 μW from the device with resonant slot antenna. The optical-to-THz conversion is through extrinsic photoconductivity.

DOI

10.1364/OE.26.014472

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