Publications

Yan H, Huang L, Xu X, Chakravarty S, Tang N, Tian H, Chen RT.  2017.  Breaking the Limitation of Evanescent Wave Sensing with Subwavelength Grating Waveguides. CLEO. :JTh3M.3. (412.78 KB)

Zhang X, Chung C-J, Subbaraman H, Pan Z, Chen C-T, Chen RT.  2017.  Design of a plasmonic-organic hybrid slot waveguide integrated with a bowtie-antenna for terahertz wave detection. SPIE Photonics West. 9756:975614. (666.43 KB)

Zhao X, Dalir H, Xu X, Chen RT.  2017.  Efficient coupling into slow-light one-dimensional fishbone waveguide by mode converter method. Applied Physics Express. 10:072502. (902.1 KB)

Yan H, Huang L, Xu X, Tang N, Chakravarty S, Chen RT.  2017.  Enhanced surface sensitivity in microring resonator biosensor based on subwavelength grating waveguides. SPIE Photonics West. 10081:100810G-1. (687.88 KB)

Huang L, Yan H, Xu X, Chakravarty S, Tang N, Tian H, Chen RT.  2017.  Improving the detection limit for on-chip photonic sensors based on subwavelength grating racetrack resonators. Optics Express. 25(9):10527.

Xu X, Heidari E, Huang L, Tang N, Chen RT.  2017.  Integrated Al2O3 Waveguide for Ultraviolet Spectroscopy. IEEE Photonics Summer Topicals.  (810.25 KB)

Huang L, Yan H, Xu X, Chakravarty S, Tang N, Tian H, Chen RT.  2017.  Low detection limit sensor based on subwavelength grating racetrack resonator. SPIE Photonics West. 10077 :100770M-1. (1.72 MB)

Chakravarty S, Yan H, Zou Y, Chen RT.  2017.  Mid-infrared Silicon Photonics Devices and Sensors. IEEE Photonics Summer Topicals.  (342.98 KB)

Wang Z, Ying Z, Dhar S, Zhao Z, Pan DZ, Chen RT.  2017.  Nanophotonic Devices for Power-efficient Computing and Optical Interconnects. IEEE Photonics Summer Topicals.  (282.19 KB)

Yan H, Huang L, Xu X, Tang N, Chakravarty S, Tian H, Chen RT.  2017.  Silicon based On-chip Sub-Wavelength Grating Ring and Racetrack Resonator BioSensors. MRS Advances.  (1.16 MB)

Chakravarty S, Xu X, Yan H, Lai W-C, Zou Y, Chen RT.  2017.  Slow Light Enhanced Silicon Chip Based Chem-Bio Sensors . OSA Optical Sensors.  (764.37 KB)

Yan H, Yang C-J, Tang N, Zou Y, Chakravarty S, Roth A, Chen RT.  2017.  Specific Detection of Antibiotics by Silicon-on-Chip Photonic Crystal Biosensor Arrays. IEEE SENSORS JOURNAL. 17(18):5915. (847.26 KB)

Huang L, Yan H, Xu X, Chakravarty S, Tang N, Tian H, Chen RT.  2017.  Subwavelength grating racetrack resonator based ultrasensitive refractive index sensor. CLEO. :SM1N.7. (298.9 KB)

Wang Z, Yan H, Chakravarty S, Fan D.L., Chen RT.  2016.  Coupled Photonic Crystal Microcavities for High-Q sensing. CLEO. :JTh2A.112. (243.12 KB)

Zhang X, Chung C-J, Subbaraman H, Luo J, Jen A, Neilson R, Lee C, Chen RT.  2016.  High Performance Optical Modulator Based on Electro-optic Polymer Filled Silicon Slot Photonic Crystal Waveguide. Journal of Lightwave Technology. PP(99):1-1. (1.12 MB)

Wang Z, Xu X, Fan D, Wang Y, Chen RT.  2016.  High quality factor subwavelength grating waveguide micro-ring resonator based on trapezoidal silicon pillars. Optics Letters. 41(14):3375. (1.53 MB)

Yan H, Tang N, Jairo GA, Chakravarty S, Blake DA, Chen RT.  2016.  High-sensitivity high-throughput chip based biosensor array for multiplexed detection of heavy metals. SPIE Photonics West. 9725 :972507-1. (486.25 KB)

Zhang X, Chung CJ, Subbaraman H, Pan Z, Zhan Q, Chen RT.  2016.  Integrated Broadband Bowtie Antenna on Transparent Silica Substrate. IEEE Antennas and Wireless Propagation Letters. accepted

Zhang X, Chung C-J, Wang S, Subbaraman H, Pan Z, Zhan Q, Chen RT.  2016.  Integrated Broadband Bowtie Antenna on Transparent Silica Substrate. IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS. 15:1377. (965.06 KB)

Zhang X, Chakravarty S, Chung C-J, Pan Z, Yan H, Chen RT.  2016.  Microheater-integrated silicon coupled photonic crystal microcavities for low-power thermo-optic switching over a wide spectrum. SPIE Photonics West. 9752:975214. (803.06 KB)

Zou Y, Chakravarty S, Chung C-J, Chen RT.  2016.  Miniature Mid-Infrared Thermooptic Switch with Photonic Crystal Waveguide Based Silicon-on-Sapphire Mach–Zehnder Interferometers. SPIE Photonics West. 9753:97530Q-1. (891.87 KB)

Shen P-K, Hosseini A, Xu X, Hei Y, Pan Z, Chen RT.  2016.  Multiple-Input Multiple-Output Enabled Large Bandwidth Density On-Chip Optical Interconnect. JOURNAL OF LIGHTWAVE TECHNOLOGY. 34(12):2969. (547.71 KB)

Shen P-K, Hosseini A, Hei Y, Pan Z, Chen RT.  2016.  Multiple-input multiple-output enabled large bandwidth density on-chip optical interconnect. Journal of Lightwave Technology. accepted

Yan H, Xu X, Chung C-J, Subbaraman H, Pan Z, Chakravarty S, Chen RT.  2016.  One-dimensional photonic crystal slot waveguide for silicon-organic hybrid electro-optic modulators. Optics Letters. 41(23):5466. (1.53 MB)

Chakravarty S, Chen X, Tang N, Lai W-C, Zou Y, Yan H, Chen RT.  2016.  Review of design principles of 2D photonic crystal microcavity biosensors in silicon and their applications. Front. Optoelectron.. 9(2):206.

Chakravarty S, Zou Y, Yan H, Tang N, Chen RT.  2016.  Silicon chip integrated Photonic Sensors for Biological and Chemical Sensing . SPIE Photonics West. 9705:97050O-1. (1.15 MB)

Yan H, Xu X, Chung C-J, Subbaraman H, Pan Z, Chakravarty S, Chen RT.  2016.  Silicon-organic Hybrid Electro-optic Modulator Based on One-dimensional Photonic Crystal Slot Waveguides. CLEO. :SF1E.6. (229.89 KB)

Chung C-J, Subbaraman H, Zhang X, Yan H, Luo J, Jen AK-Y, Nelson RL, Lee CY-C, Chen RT.  2016.  Towards a Fully Packaged High-performance RF Sensor Featuring Slotted Photonic Crystal Waveguides. SPIE Photonics West. 9747:97471V-1.

Yan H, Huang L, Xu X, Chakravarty S, Tang N, Tian H, Chen RT.  2016.  Unique surface sensing property and enhanced sensitivity in microring resonator biosensors based on subwavelength grating waveguides . Optics Express. 24(26):29724.

Brannen T, Elson J, Prickett S, Rajendran K, Treptow A, Wray P, Chen RT.  2015.  ChemSense-University of Texas, Austin. Smithsonian Magazine. May 15, 2015:http://www.smithsonianmag.com/innovation/made-college-seniors-these-seven-products-give-glimpse-into-future-180955280/. (206.41 KB)

Chen C-T, Xu X, Hosseini A, Pan Z, Subbaraman H, Zhang X, Chen RT.  2015.  Design of highly efficient hybrid si-au taper for dielectric strip waveguide to plasmonic slot waveguide mode converter. Journal of Lightwave Technology. 33(2):535-540. (533.6 KB)

Zou Y, Chakravarty S, Wray P, Chen RT.  2015.  Experimental demonstration of propagation characteristics of mid-infrared photonic crystal waveguides in silicon-on-sapphire. Optics Express. 23:6965-6975.

Wang Z, Yan H, Chakravarty S, Subbaraman H, Xu X, Fan D, Wang AX, Chen RT.  2015.  Microfluidic channels with ultralow loss waveguide crossings for various chip-integrated photonic sensors. Optics Letters. 40(7):1563-1566. (597.35 KB)

Zou Y, Chakravarty S, Chen RT.  2015.  Mid-Infrared Silicon-on-Sapphire Waveguide Coupled Photonic Crystal Microcavities. Applied Physics Letters. 107:081109. (1.17 MB)

Subbaraman H, Xu X, Hosseini A, Zhang Y, Kwong D, Chen RT.  2015.  Recent advances in silicon-based passive and active optical interconnects. Optics Express. 23(3):2487-2511.

Yan H, Zou Y, Chakravarty S, Yang C-J, Wang Z, Tang N, Fan D, Chen RT.  2015.  Silicon on-chip bandpass filters for the multiplexing of high sensitivity photonic crystal microcavity biosensors. Applied Physics Letters. 106:121103. (1.69 MB)

Zhang X, Chakravarty S, Chung C-J, Pan Z, Yan H, Chen RT.  2015.  Ultra-compact and wide-spectrum-range thermo-optic switch based on silicon coupled photonic crystal microcavities. Applied Physics Letters. 107:21104.

Zhang Y, Xu X, Kwong D, Covey J, Hosseini A, Chen RT.  2014.  0.88-Thz Optical Clock Distribution on Adhesively Bonded Silicon Nanomembrane. IEEE Photonics Technology Letters. 26(23):2376-2379. (882.49 KB)

Covey J, Finke AD, Xu X, Wu W, Wang Y, Diederich F, Chen RT.  2014.  All-optical switching with 1-ps response time in a DDMEBT enabled silicon grating coupler/resonator hybrid device. Optics Express. 22:24530-24544.

Chakravarty S, Hosseini A, Xu X, Zhu L, Zou Y, Chen RT.  2014.  Analysis of ultra-high sensitivity configuration in chip-integrated photonic crystal microcavity bio-sensors. Applied Physics Letters. 104:191109. (1.23 MB)

Zou Y, Chakravarty S, Kwong DN, Lai W-C, Xu X, Lin X, Hossieni A, Chen RT.  2014.  Cavity-Wageuide Coupling Engineered High Sensitivity Silicon Photonic Crystal Microcavity Biosensors With High Yield. IEEE Journal of Selected Topics in Quantum Electronics. 20:6900700-6900710. (793.28 KB)

Kwong D, Hosseini A, Covey J, Xu X, Zhang Y, Chakravarty S, Chen RT.  2014.  Corrugated Waveguide-Based Optical Phased Array With Crosstalk Suppression. IEEE Photonics Technology Letters. 26(10):991-994.

Xu X, Subbaraman H, Chakravarty S, Hosseini A, Covey J, Yu Y, Kwong D, Lai W-C, Lu N, Chen RT.  2014.  Flexible Single-Crystal Silicon Nanomembrane Photonic Crystal Cavity. ACS Nano. 8(12):12265-12271.

Zhang X, Subbaraman H, Hosseini A, Chen RT.  2014.  Highly efficient mode converter for coupling light into wide slot photonic crystal waveguide. Optics Express. 22(17):20678-20690.

Zhang X, Hosseini A, Subbaraman H, Wang S, Zhan Q, Luo J, Jen AK-Y, Chen RT.  2014.  Integrated Photonic Electromagnetic Field Sensor Based on Broadband Bowtie Antenna Coupled Silicon Organic Hybrid Modulator. Journal of Lightwave Technology. 32(20):3774-3784. (854.65 KB)

Kwong D, Hosseini A, Covey J, Zhang Y, Xu X, Subbaraman H, Chen RT.  2014.  On-chip Silicon Optical Phased Array for Two Dimensional Beam Steering. Optics Letters. 39:941-944. (1 MB)

Xu X, Subbaraman H, Covey J, Kwong D, Hosseini A, Chen RT.  2013.  Colorless grating couplers realized by interleaving dispersion engineered subwavelength structures. Optics Letters. 38(18):3588-3591. (514.26 KB)

Neuner, III B, Wu C, Eyck GTen, Sinclair M, Brener I, Shvets G.  2013.  Efficient infrared thermal emitters based on low-albedo polaritonic meta-surfaces. Applied Physics Letters. 102:211111. (1.23 MB)

Xu X, Subbaraman H, Kwong D, Hosseini A, Zhang Y, Chen RT.  2013.  Large Area Silicon Nanomembrane Photonic Devices on Unconventional Substrates. IEEE Photonics Technology Letters. 25(16):1601-1604. (1004.15 KB)

Zhang Y, Kwong D, Xu X, Hosseini A, Yang SY, Rogers JA, Chen RT.  2013.  On-chip Intra-and Inter-layer Grating Couplers for 3D Integration of Silicon Photonics. Applied Physics Letters. 102:211109. (1.55 MB)