High-extinction chip-scale shuttering for quantum technologies

Maximillian A. Perez; Steffen Kross; Jeff De Natale; Rob Mihailovich; Jaime Ramirez-Serrano; Megan Ivory

doi:10.1117/12.2527220

9 September 2019 High-extinction chip-scale shuttering for quantum technologies

Maximillian A. Perez, Steffen Kross, Jeff De Natale, Rob Mihailovich, Jaime Ramirez-Serrano, Megan Ivory

Proceedings Volume 11105, Novel Optical Systems, Methods, and Applications XXII; 111050W (2019) https://doi.org/10.1117/12.2527220
Event: SPIE Optical Engineering + Applications, 2019, San Diego, California, United States

Abstract

ColdQuanta’s microShutter is a free-space, chip-scale mechanical shutter designed for laser shuttering applications. The microShutter breaks through the size constraints of MEMS fiber shutters by eliminating the optical fiber and operating on the beam inline and in free-space. The microShutter allows laser shuttering in a form factor and with a power budget that enables high performance optical applications in hand-held devices. Uniquely, each microShutter chip integrates a beam dump that captures stray light in an on-board light trap. The microShutter is designed to the power, performance, and size requirements of portable atomic clocks and other compact atomic systems requiring free-space optical distribution. The prototype chip has been demonstrated to draw less than 0.5 μA at 150 V. A low power driver circuit that can operate the microShutter with 2.5 mW with a 4V supply has been demonstrated. Early prototypes demonstrate extinction below -45 dB with insertion loss of -2 dB, an open-closed transition time of 12 μs and closed-open transition time of 14 µs.

Conference Presentation

Citation Download Citation

Maximillian A. Perez, Steffen Kross, Jeff De Natale, Rob Mihailovich, Jaime Ramirez-Serrano, and Megan Ivory "High-extinction chip-scale shuttering for quantum technologies", Proc. SPIE 11105, Novel Optical Systems, Methods, and Applications XXII, 111050W (9 September 2019); https://doi.org/10.1117/12.2527220

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