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Proceedings Paper

Billion frames per second spectrum measurement for high-repetition-rate optical pulses based on time stretching technique
Author(s): Hideaki Furukawa; Takeshi Makino; Mohammad H. Asghari; Paul Trinh; Bahram Jalali; Xiaomin Wang; Tetsuya Kobayashi; Wai S. Man; Kwong Shing Tsang; Naoya Wada
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Paper Abstract

Single-shot and long record length spectrum measurements of high-repetition-rate optical pulses are essential for research on nonlinear dynamics as well as for applications in sensing and communication. To achieve a continuous measurements we employ the Time Stretch Dispersive Fourier Transform. We show single-shot measurements of millions of sequential pulses at high repetition rate of 1 Giga spectra per second. Results were obtained using -100 ps/nm dispersive Fourier transform module and a 50 Gsample/s real-time digitizer of 16 GHz bandwidth. Single-shot spectroscopy of 1 GHz optical pulse train was achieved with the wavelength resolution of approximately 150 pm. This instrument is ideal for observation of complex nonlinear dynamics such as switching, mode locking and soliton dynamics in high repetition rate lasers.

Paper Details

Date Published: 22 February 2017
PDF: 6 pages
Proc. SPIE 10089, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications II, 100890A (22 February 2017); doi: 10.1117/12.2255873
Show Author Affiliations
Hideaki Furukawa, National Institute of Information and Communications Technology (Japan)
Takeshi Makino, National Institute of Information and Communications Technology (Japan)
Mohammad H. Asghari, Time Photonics, Inc. (United States)
Paul Trinh, Time Photonics, Inc. (United States)
Bahram Jalali, Univ. of California, Los Angeles (United States)
Xiaomin Wang, Optoquest Co., Ltd. (Japan)
Tetsuya Kobayashi, Optoquest Co., Ltd. (Japan)
Wai S. Man, Amonics Ltd. (Hong Kong, China)
Kwong Shing Tsang, Amonics Ltd. (Hong Kong, China)
Naoya Wada, National Institute of Information and Communications Technology (Japan)


Published in SPIE Proceedings Vol. 10089:
Real-time Measurements, Rogue Phenomena, and Single-Shot Applications II
Bahram Jalali; Daniel R. Solli; Sergei K. Turitsyn; Günter Steinmeyer; Neil G. R. Broderick, Editor(s)

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