Nanobolometer with ultralow noise equivalent power

Roope Kokkoniemi (Corresponding Author), Joonas Govenius, Visa Vesterinen, Russell E. Lake, András M. Gunyhó, Kuan Y. Tan, Slawomir Simbierowicz, Leif Grönberg, Janne Lehtinen, Mika Prunnila, Juha Hassel, Antti Lamminen, Olli Pentti Saira, Mikko Möttönen (Corresponding Author)

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Since the introduction of bolometers more than a century ago, they have been used in various applications ranging from chemical sensors, consumer electronics, and security to particle physics and astronomy. However, faster bolometers with lower noise are of great interest from the fundamental point of view and to find new use-cases for this versatile concept. We demonstrate a nanobolometer that exhibits roughly an order of magnitude lower noise equivalent power, 20zW∕Hz, than previously reported for any bolometer. Importantly, it is more than an order of magnitude faster than other low-noise bolometers, with a time constant of 30 μs at 60zW∕Hz. These results suggest a calorimetric energy resolution of 0.3 zJ = h × 0.4 THz with a time constant of 30 μs. Further development of this nanobolometer may render it a promising candidate for future applications requiring extremely low noise and high speed such as those in quantum technology and terahertz photon counting.

Original languageEnglish
Article number124
JournalCommunications Physics
Volume2
Issue number1
DOIs
Publication statusPublished - 1 Dec 2019
MoE publication typeA1 Journal article-refereed

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bolometers
low noise
time constant
astronomy
counting
high speed
physics
sensors
photons
electronics
energy

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Kokkoniemi, R., Govenius, J., Vesterinen, V., Lake, R. E., Gunyhó, A. M., Tan, K. Y., ... Möttönen, M. (2019). Nanobolometer with ultralow noise equivalent power. Communications Physics, 2(1), [124]. https://doi.org/10.1038/s42005-019-0225-6
Kokkoniemi, Roope ; Govenius, Joonas ; Vesterinen, Visa ; Lake, Russell E. ; Gunyhó, András M. ; Tan, Kuan Y. ; Simbierowicz, Slawomir ; Grönberg, Leif ; Lehtinen, Janne ; Prunnila, Mika ; Hassel, Juha ; Lamminen, Antti ; Saira, Olli Pentti ; Möttönen, Mikko. / Nanobolometer with ultralow noise equivalent power. In: Communications Physics. 2019 ; Vol. 2, No. 1.
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Nanobolometer with ultralow noise equivalent power. / Kokkoniemi, Roope (Corresponding Author); Govenius, Joonas; Vesterinen, Visa; Lake, Russell E.; Gunyhó, András M.; Tan, Kuan Y.; Simbierowicz, Slawomir; Grönberg, Leif; Lehtinen, Janne; Prunnila, Mika; Hassel, Juha; Lamminen, Antti; Saira, Olli Pentti; Möttönen, Mikko (Corresponding Author).

In: Communications Physics, Vol. 2, No. 1, 124, 01.12.2019.

Research output: Contribution to journalArticleScientificpeer-review

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