InP-based polarization rotator-splitter for mid-infrared photonic integration circuits | Zendy

Chi-Jui Chung | Zendy; Jason Midkiff | Zendy; Kyoung Min Yoo | Zendy; Ali Rostamian | Zendy; Joel Guo | Zendy; Ray T. Chen | Zendy; Swapnajit Chakravarty | Zendy

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InP-based polarization rotator-splitter for mid-infrared photonic integration circuits

Author(s) -

Chi-Jui Chung,

Jason Midkiff,

Kyoung Min Yoo,

Ali Rostamian,

Joel Guo,

Ray T. Chen,

Swapnajit Chakravarty

Publication year - 2019

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.5055863

Subject(s) - photonic integrated circuit , materials science , optoelectronics , polarization (electrochemistry) , splitter , waveguide , optics , photonics , cascade , photonic crystal , polarization rotator , birefringence , physics , chemistry , chromatography

We design and experimentally demonstrate the propagation loss of waveguides and the operation of a single-step etched polarization rotator-splitter (PRS) in low index contrast InGaAs-InP material system at 6.15 μm. Propagation losses 4.19 dB/cm for TM mode and 3.25 dB/cm for TE mode are measured. The designed PRS can achieve near 100% conversion efficiency. This study enables the possibility of monolithic integration of quantum cascade devices with TM-polarized characteristics and TE-guiding two-dimensional slotted photonic crystal waveguide gas sensors for on-chip monolithic absorption spectroscopy.

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