Recent Publications

Fiber Devices Fabricated

Fiber Optic Communication and Sensing Laboratory
Department of Electrical and Computer Engineering, Ryerson University
RM 107A, Eric Palin Hall, 87 Gerrard St. E. (tel. 416-979-5000 ext. 4151)


The Fiber Optic Communications and Sensing Laboratory is a state-of-the-art facility for active research in the areas of fiber optic devices for high-speed broadband fiber communication, fiber optic sensing, fiber lasers and laser material processing. 


Laser and Optical System:


·         A high energy, high repetition rate Excimer Laser (PM-844, Lumonics);

·         A 4’ x 6’ optic table with 4 air-pumped vibration isolators;

·         High precision 4” translation stages (Newport, UTM100CC1DD);

·         4 ULTRAlign 5-axis optical stages;  (Newport, Model 561)

·         Laser beam steering system and Laser beam shaping system;


Fiber Sensor Fabrication and Testing Equipment:


·         A fully-equipped fiber Bragg grating sensor writing system;

·         Phase masks for writing 32 ls covering C-band,

·         Phase mask for writing 980 nm FBGs and 4” holographic phase mask;

·         A full-set of amplitude masks for writing long-period gratings;

·         Hydrogen loading facility;

·         Portable optical spectrum analyzers (Ando AQ6331);

·         NIST wavelength reference standard (SRM 2619);

·         Multi-Wavemeter (HP86120B);

·         Broadband ELED Light Sources in 980 nm, 1300 nm and 1550 nm;

·         High power EDFA/ASE light sources (> 25 mW).


Other instruments and Components

·         C-band EDFAs;

·         4 DFB lasers in C bands;

·         200 mW 980-nm diode lasers (SDL);

·         Fiber Fusion Splicer (Ericsson FSU975);

·         Fiber re-coater and Proof tester (Vytran Corp. PTR-100L);

·         Er-doped fiber, Photosensitive fiber;

·         Corning SMF-28 fiber;

·         Fiber Components such as couplers, circulators and much more…



R&D Projects:


1. DWDM devices, Dispersion Compensation devices and spectral shaping/trimming devices;


2. Fiber optic sensors for temperature, strain, displacement and pressure measurements; Fiber sensor array for multiplexing sensing;


3. Fiber laser and laser material processing. Laser marking, patterning and ablation.



(Please contact Dr. Xijia Gu at for more details)