Frequency-tunable Optoelectronic Oscillator With Synchronized Dual-Wavelength Narrow-Linewidth Laser Output

Synchronized dual-wavelength narrow-linewidth lasers and a wideband frequency-tunable optoelectronic oscillator are simultaneously realized using mutual-injection-locked distributed feedback (DFB) lasers. The two laser modes serve as the seeding light and a microwave photonic filter for the optoelectronic oscillation. Mutual-injection locking between the two DFB lasers through a delay fiber loop results in synchronized narrow-linewidth operation. Microwave tuning from 19 to 41 GHz has been obtained through thermal-tuning of the DFB lasers, with the single-sideband phase noises below −100 dBc/Hz at a 10-kHz frequency offset from the carrier. Laser linewidth has been reduced from several-MHz to kHz with a linewidth reduction factor over 104.

[1]  D. Lu,et al.  Synchronized Narrow Linewidth Laser and High Quality Microwave Signal Generation using Optically Mutual-Injection-Locked DFB Lasers with Optoelectronic Feedback , 2018, 2018 Conference on Lasers and Electro-Optics (CLEO).

[2]  F. Kish,et al.  Harmonic Injection Locking for a Direct Optical to RF Link , 2018, 2018 Conference on Lasers and Electro-Optics (CLEO).

[3]  Weiwei Hu,et al.  Wideband tunable optoelectronic oscillator based on a phase modulator and a tunable optical filter. , 2013, Optics letters.

[4]  Dan Lu,et al.  Tunable optical microwave generation using self-injection locked monolithic dual-wavelength amplified feedback laser. , 2014, Optics letters.

[5]  D. Lu,et al.  A Widely Tunable Optoelectronic Oscillator Based on Directly Modulated Dual-Mode Laser , 2015, IEEE Photonics Journal.

[6]  Shilong Pan,et al.  Optical Pulse Generation by an Optoelectronic Oscillator With Optically Injected Semiconductor Laser , 2016, IEEE Photonics Technology Letters.

[7]  Jianping Yao,et al.  A Wideband Frequency Tunable Optoelectronic Oscillator Incorporating a Tunable Microwave Photonic Filter Based on Phase-Modulation to Intensity-Modulation Conversion Using a Phase-Shifted Fiber Bragg Grating , 2012, IEEE Transactions on Microwave Theory and Techniques.

[8]  Xiaoke Yi,et al.  Single passband microwave photonic filter with wideband tunability and adjustable bandwidth. , 2012, Optics letters.

[9]  Dan Lu,et al.  Frequency-tunable optoelectronic oscillator using a dual-mode amplified feedback laser as an electrically controlled active microwave photonic filter. , 2015, Optics letters.

[10]  L. Maleki,et al.  Optoelectronic oscillator for photonic systems , 1996 .

[11]  Rong Wang,et al.  Low-cost and wideband frequency tunable optoelectronic oscillator based on a directly modulated distributed feedback semiconductor laser. , 2013, Optics letters.

[12]  Yunshan Zhang,et al.  Frequency tunable optoelectronic oscillator based on a directly modulated DFB semiconductor laser under optical injection. , 2015, Optics express.

[13]  Yuefeng Ji,et al.  28Gbps PAM4 60GHz Radio over Fiber System by Injection Locking Two-Tone Light to Directly-Modulated Laser , 2018, 2018 Conference on Lasers and Electro-Optics (CLEO).

[14]  L. Maleki,et al.  Optoelectronic microwave oscillator , 1996 .

[15]  Dan Lu,et al.  Frequency-Tunable OEO Using a DFB Laser at Period-One Oscillations With Optoelectronic Feedback , 2018, IEEE Photonics Technology Letters.

[16]  Benjamin J Eggleton,et al.  Widely tunable, low phase noise microwave source based on a photonic chip. , 2016, Optics letters.

[17]  L. Maleki,et al.  Opto-electronic oscillator and its applications , 1996, International Topical Meeting on Microwave Photonics. MWP '96 Technical Digest. Satellite Workshop (Cat. No.96TH8153).

[18]  Rui Guo,et al.  Wideband tunable optoelectronic oscillator based on the deamplification of stimulated Brillouin scattering. , 2017, Optics express.

[19]  Jianping Yao,et al.  Wideband and frequency-tunable microwave generation using an optoelectronic oscillator incorporating a Fabry-Perot laser diode with external optical injection. , 2010, Optics letters.