Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/148387
Title: Single-mode lasing from a single 7 nm thick monolayer of colloidal quantum wells in a monolithic microcavity
Authors: Foroutan-Barenji, Sina
Erdem, Onur
Delikanli, Savas
Yagci, Huseyin Bilge
Gheshlaghi, Negar
Altintas, Yemliha
Demir, Hilmi Volkan
Keywords: Science::Physics
Issue Date: 2021
Source: Foroutan-Barenji, S., Erdem, O., Delikanli, S., Yagci, H. B., Gheshlaghi, N., Altintas, Y. & Demir, H. V. (2021). Single-mode lasing from a single 7 nm thick monolayer of colloidal quantum wells in a monolithic microcavity. Laser and Photonics Reviews, 15(4), 2000479-. https://dx.doi.org/10.1002/lpor.202000479
Journal: Laser and Photonics Reviews
Abstract: In this work, monolithically‐fabricated vertical cavity surface emitting lasers (VCSELs) of densely‐packed, orientation‐controlled, atomically flat colloidal quantum wells (CQWs) using a self‐assembly method is reported and single‐mode lasing from a record thin colloidal gain medium with a film thickness of 7 nm under femtosecond optical excitation is demonstrated. Specially engineered CQWs are used to demonstrate these hybrid CQW‐VCSELs consisting of only a few layers to a single monolayer of CQWs and are achieved the lasing from these thin gain media by thoroughly modeling and implementing a vertical cavity consisting of distributed Bragg reflectors with an additional dielectric layer for mode tuning. Accurate spectral and spatial alignment of the cavity mode with the CQW films is secured with the help of full electromagnetic computations. While overcoming the long‐pending problem of limited electrical conductivity in thicker colloidal films, such ultrathin colloidal gain media can be helpful to enable fully electrically‐driven colloidal lasers.
URI: https://hdl.handle.net/10356/148387
ISSN: 1863-8899
DOI: 10.1002/lpor.202000479
Rights: This is the peer reviewed version of the following article: Foroutan-Barenji, S., Erdem, O., Delikanli, S., Yagci, H. B., Gheshlaghi, N., Altintas, Y. & Demir, H. V. (2021). Single-mode lasing from a single 7 nm thick monolayer of colloidal quantum wells in a monolithic microcavity. Laser and Photonics Reviews, 15(4), 2000479-. https://dx.doi.org/10.1002/lpor.202000479, which has been published in final form at https://doi.org/10.1002/lpor.202000479. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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