DOI: 10.1063/1.116249. Corrugated quantum well infrared photodetectors for normal incident light coupling

Corrugated quantum well infrared photodetectors for normal incident light coupling

10.1063/1.116249

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

In this letter, we report a quantum well infrared photodetector geometry for normal incidence light coupling. The new optical coupling scheme utilizes total internal reflection at the sidewalls of triangular wires to create favorable optical polarization for infrared absorption. These wires are created by chemically etching an array of V grooves through the detector active region along a specific crystallographic direction. Experimental results from the initial single color as well as two-color detectors with linear wires and unthinned substrate show efficient light coupling comparable to the standard 45° edge coupling, without the undesirable wavelength dependence or spectral narrowing effect of a conventional grating structure. At the same time, the dark current density is substantially reduced due to the partial material removal. Further improvement is expected by creating a two-dimensional coupling structure with substrate thinning.

Bibliography

Chen, C. J., Choi, K. K., Tidrow, M. Z., & Tsui, D. C. (1996). Corrugated quantum well infrared photodetectors for normal incident light coupling. Applied Physics Letters, 68(11), 1446â1448.

Authors 4

C. J. Chen (first)
K. K. Choi (additional)
M. Z. Tidrow (additional)
D. C. Tsui (additional)

References 9 Referenced 67

{'key': '2024020310304248900_r1', 'first-page': 'R1', 'article-title': 'J. Appl. Phys.', 'volume': '74', 'year': '1993'} / J. Appl. Phys. (1993)
{'key': '2024020310304248900_r2', 'first-page': '2093', 'article-title': 'Appl. Phys. Lett.', 'volume': '55', 'year': '1989'} / Appl. Phys. Lett. (1989)
{'key': '2024020310304248900_r3', 'first-page': '908', 'article-title': 'Appl. Phys. Lett.', 'volume': '63', 'year': '1993'} / Appl. Phys. Lett. (1993)
{'key': '2024020310304248900_r4', 'first-page': '5230', 'article-title': 'J. Appl. Phys.', 'volume': '73', 'year': '1993'} / J. Appl. Phys. (1993)
{'key': '2024020310304248900_r5', 'first-page': '3600', 'article-title': 'J. Appl. Phys.', 'volume': '71', 'year': '1992'} / J. Appl. Phys. (1992)
{'key': '2024020310304248900_r6', 'first-page': '3361', 'article-title': 'Appl. Phys. Lett.', 'volume': '63', 'year': '1993'} / Appl. Phys. Lett. (1993)
{'key': '2024020310304248900_r7', 'first-page': '4989', 'article-title': 'J. Appl. Phys.', 'volume': '76', 'year': '1994'} / J. Appl. Phys. (1994)
{'key': '2024020310304248900_r8'}
{'key': '2024020310304248900_r9', 'first-page': '950', 'article-title': 'Appl. Phys. Lett.', 'volume': '64', 'year': '1994'} / Appl. Phys. Lett. (1994)

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 9:40 a.m.)
Deposited	1 year, 6 months ago (Feb. 3, 2024, 5:30 a.m.)
Indexed	4 months, 3 weeks ago (March 31, 2025, 1:05 p.m.)
Issued	29 years, 5 months ago (March 11, 1996)
Published	29 years, 5 months ago (March 11, 1996)
Published Print	29 years, 5 months ago (March 11, 1996)

Funders 0

None

BibTeX

@article{Chen_1996, title={Corrugated quantum well infrared photodetectors for normal incident light coupling}, volume={68}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.116249}, DOI={10.1063/1.116249}, number={11}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Chen, C. J. and Choi, K. K. and Tidrow, M. Z. and Tsui, D. C.}, year={1996}, month=mar, pages={1446–1448} }

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