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Facilities @ IITM
Prof. Deepa Venkitesh’s lab at IIT-Madras features a comprehensive photonics frontend testbed. The Advanced Optical Communications (AOC) testbed, supported by the DoT, will enhance facilities with advanced modulation formats and multicore fiber technologies for high-precision photonic experiments.
List of Equipments/Software
Optical Spectrum Analyser (Finisar - C band , 1.725 GHz RBW)
Optical Spectrum Analyser (Thorlabs - 1.0 - 2.6 µm, 7.5 GHz RBW)
PRBS source – 2.5 Gbps, 10 Gbps (Optellent)
High speed PIN and APD detectors (10 GHz, 30 GHz, 50 GHz – Discovery, Newport, Finisar)
High speed amplitude modulators (10 GHz, 25 GHz – IXblue, Photline, EOSpace)
High speed Semiconductor optical amplifiers ( Response time 25 ps, Kamelian) with evaluation boards
Sampling Oscilloscope (Lecroy – two-channel 30 Gbps)RF Spectrum Analyser (Rohde and Schwarz – 30 GHz){Getting upgraded to 40 GHz Vector Signal Analyser}
Vector Network Analyzer (4 port) {Getting purchased as a part of AOC Testbed}
Low phase noise analog signal generator (Upto 40 GHz) {Getting purchased as a part of AOC Testbed}
Real-Time Scope ( 33 GHz, 4 Channel ADC, 80 Gsps){Getting upgraded to 80/110 GHz, 256 GSps +{Getting upgraded to 16-channel ADCs at 80 Gsps}
Arbitrary Wave Generator ( 63 GSa/s, 23 GHz){Getting upgraded to 70/80 GHz, 128/256 GSps}
IQ Modulator ( bandwidth 40 GHz) , {Getting upgraded to > 60 GHz}
Coherent Receiver (42 GHz)
Coherent communication testbed for 56Gbaud signaling to be setup
Multicore fiber field testbed to be setup through the AOC testbed project
In-house built Recirculating loop, to emulate transmission distances > 1000 km
In-house built laser phase noise analyzer
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