Patents

1) S. Chakravarty, R.T. Chen, Photonic Crystal Microarray Device for Label-free Multiple Analyte Sensing, Biosensing and Diagnostic Assay Chips, Patent US 8,293,177 (Issued: 10/23/2012).

2) S. Chakravarty, R.T. Chen, Photonic Crystal Slot Waveguide Miniature On-Chip Absorption Spectrometer, Patent US 8,282,882 (Issued: 10/09/2012).

3) S. Chakravarty, R.T. Chen, Method for Label-Free Multiple Analyte Sensing, Biosensing and Diagnostic Assay, Patent US 8,580,200 (Issued 10/29/2013).

4) S. Chakravarty, R.T. Chen, Method for the Chip-Integrated Spectroscopic Identification of Solids, Liquids, and Gases, Patent US 8,585,974 (Issued 11/12/2013).

5) S. Chakravarty, A. Hosseini, R.T. Chen, Packaged chip for multiplexing photonic crystal waveguide and photonic crystal slot waveguide devices for chip-integrated label-free detection and absorption spectroscopy with high throughput, sensitivity, and specificity, Patent US 8,636,955 (Issued 01/28/2014).

6) S. Chakravarty, R.T. Chen, Photonic Crystal MicroArray Layouts for Enhanced Sensitivity and Specificity of Label-Free Multiple Analyte Sensing, Biosensing and Diagnostic Assay, Patent US 8,623,284 (Issued 01/17/2014).

7) S. Chakravarty, R.T. Chen, Fabrication Tolerant Design for the Chip-Integrated Spectroscopic Identification of Solids, Liquids, and Gases, Patent US 8,617,471 (Issued 12/31/2013).

8) S. Chakravarty, A. Hosseini, R.T. Chen, Method for Chip-Integrated Label-Free Detection and Absorption Spectroscopy with High Throughput, Sensitivity, and Specificity, Patent US 9,063,135 (Issued 6/23/2015).

9) S. Chakravarty, R.T. Chen, Method for the Chip-Integrated Spectroscopic Identification of Solids, Liquids, and Gases, Patent US 14/089,759 (Allowed 06/05/2015)

10) S. Chakravarty, A. Hosseini, R. T. Chen, Packaged Chip For Multiplexing Photonic Crystal Microcavity Coupled Waveguide And Photonic Crystal Slot Waveguide Devices For Chip-Integrated Label-Free Detection And Absorption Spectroscopy With High Throughput, Sensitivity, Specificity, And Wide Dynamic Range, Patent US 14/165,554 (Allowed 6/12/2015)

11) S. Chakravarty, Y. Guo, R.T. Chen, Measurement Methods and Systems with Two-Dimensional Photonic Crystal MicroArray for Highly-Sensitive Label-Free Multiple Analyte Sensing, Biosensing and Diagnostic Assay, Patent Application #14/308,671 (Filed 06/18/2014).

12) S. Chakravarty, R. Safian, Electro-optic modulators that include caps for optical confinement, US20220317483A1 (2021), EP4067982A1 (2022)