Photonic ring resonator notch filters for astronomical OH line suppression

P. Liu; S. Kuhlmann; S. C. Ellis; K. Kuehn; H. Spinka; D. Underwood; L. Ocola; R. R. Gupta; N. P. Stern

doi:10.1117/12.2539772

3 January 2020 Photonic ring resonator notch filters for astronomical OH line suppression

P. Liu, S. Kuhlmann, S. C. Ellis, K. Kuehn, H. Spinka, D. Underwood, L. Ocola, R. R. Gupta, N. P. Stern

Proceedings Volume 11203, Advances in Optical Astronomical Instrumentation 2019; 112030Y (2020) https://doi.org/10.1117/12.2539772
Event: ANZCOP, 2019, Melbourne, Australia

Abstract

Photonic ring resonator arrays used as notch filters are a promising novel solution to improve the signal-to-noise ratio of ground-based astronomical observations by suppressing OH emission lines in the near-infrared (NIR) wavelength range (0.9-2.5 μm). We aim to fabricate a series of ring resonators connected by a waveguide, each with its resonance wavelength and full-width-half-maximum (FWHM) matched with one of the OH emission lines.

Citation Download Citation

P. Liu, S. Kuhlmann, S. C. Ellis, K. Kuehn, H. Spinka, D. Underwood, L. Ocola, R. R. Gupta, and N. P. Stern "Photonic ring resonator notch filters for astronomical OH line suppression", Proc. SPIE 11203, Advances in Optical Astronomical Instrumentation 2019, 112030Y (3 January 2020); https://doi.org/10.1117/12.2539772

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