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Date
2020-02Type
- Other Conference Item
ETH Bibliography
yes
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Abstract
A broadband, Cu-Cu THz quantum cascade laser is presented. The device shows an 50% improved dynamical range and doubled peak power in pulsed compared to Au-Au devices. The pulsed maximum lasing temperature was increased from 105 K to 133 K. In CW similar bandwidths for Cu-Cu and Au-Au devices are observed with an increased temperature performance. At 77 K the emitted power of the device is reduced by 57% compared to 30 K. At this temperature a single narrow beatnote is observed, which can be locked to an RF synthesizer. THz comb emission spans roughly 800 GHz. Show more
Publication status
publishedExternal links
Book title
Quantum Sensing and Nano Electronics and Photonics XVIIJournal / series
Proceedings of SPIEVolume
Pages / Article No.
Publisher
SPIEEvent
Subject
THz; Frequency comb; QCL; 77 K; Nitrogen; Copper; CW; BroadbandOrganisational unit
03759 - Faist, Jérôme / Faist, Jérôme
Notes
Conference Presentation.More
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ETH Bibliography
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