The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 23, 2024

Filed:

Jan. 26, 2022
Applicants:

The Regents of the University of California, Oakland, CA (US);

Brigham Young University, Provo, UT (US);

Inventors:

Holger Schmidt, Capitola, CA (US);

Aaron Roe Hawkins, Provo, UT (US);

Joshua Wayne Parks, Santa Cruz, CA (US);

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 21/64 (2006.01); B01L 3/00 (2006.01); G02B 6/12 (2006.01); G02B 6/28 (2006.01); G02F 1/21 (2006.01);
U.S. Cl.
CPC ...
G01N 21/645 (2013.01); B01L 3/502715 (2013.01); G02B 6/12007 (2013.01); G02F 1/217 (2021.01); B01L 2200/10 (2013.01); B01L 2300/0654 (2013.01); B01L 2300/0663 (2013.01); B01L 2300/0816 (2013.01); G01N 2021/6417 (2013.01); G01N 2021/6419 (2013.01); G01N 2021/6484 (2013.01); G01N 2201/0635 (2013.01); G01N 2201/088 (2013.01); G02B 6/2813 (2013.01);
Abstract

Systems, methods, and techniques for optofluidic analyte detection and analysis using multi-mode interference (MMI) waveguides are disclosed herein. In some embodiments, spatially and spectrally multiplexed optical detection of particles is implemented on an optofluidic platform comprising multiple analyte channels intersecting a single MMI waveguide. In some embodiments, multi-stage photonic structures including a first stage MMI waveguide for demultiplexing optical signals by spatially separating different wavelengths of light from one another may be implemented. In some embodiments, a second stage may use single-mode waveguides and/or MMI waveguides to create multi-spot patterns using the demultiplexed, spatially separated light output from the first stage. In some embodiments, liquid-core MMI (LC-MMI) waveguides that are tunable by replacing a liquid core, heating/cooling the liquid core, and/or deforming the LC-MMI to change its width may be implemented in one or more of the analyte detection/analysis systems disclosed herein.


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