Development of Supra-THz Schottky Diode Harmonic Mixers
Paper i proceeding, 2021

In this paper, we report the development of single-ended, Schottky diode-based harmonic mixers operating at 3.5 THz and 4.7 THz, respectively. Both mixers utilize a sub-micron size Schottky diode fabricated with circuit elements on a suspended 2 um-thick GaAs stripline circuit and then assembled in a waveguide split-block. The diode is closely integrated with the RF-waveguide, resulting in an electrically small and compact circuit. For the 3.5-THz, x6-harmonic mixer, a conversion loss of about 60 dB was measured at an intermediate frequency (IF) of 200 MHz. The predicted mixer performance versus dc bias agrees well with the measurements. Based on these results, the preliminary design and simulation results of a 4.7-THz, x8-harmonic mixer, are presented.

terahertz electronics.

phase locking

Harmonic mixers

heterodyne receivers

Schottky diodes

Författare

Divya Jayasankar

Chalmers, Mikroteknologi och nanovetenskap (MC2), Terahertz- och millimetervågsteknik

Vladimir Drakinskiy

Chalmers, Mikroteknologi och nanovetenskap (MC2), Terahertz- och millimetervågsteknik

Peter Sobis

Chalmers, Mikroteknologi och nanovetenskap (MC2), Terahertz- och millimetervågsteknik

Jan Stake

Chalmers, Mikroteknologi och nanovetenskap (MC2), Terahertz- och millimetervågsteknik

International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz

21622027 (ISSN) 21622035 (eISSN)

46th International conference on Infrared, Millimeter, and Terahertz waves
Chengdu, China,

THz Schottky diode mixers for high resolution FIR spectroscopy

Rymdstyrelsen, 2018-01-01 -- 2019-12-31.

Rymdstyrelsen (170/17), 2018-01-01 -- 2019-12-31.

Styrkeområden

Informations- och kommunikationsteknik

Infrastruktur

Kollberglaboratoriet

Nanotekniklaboratoriet

Ämneskategorier

Rymd- och flygteknik

Farkostteknik

Annan elektroteknik och elektronik

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Senast uppdaterat

2021-07-08