This document summarizes the products and services of Discovery Semiconductors, a leading supplier of optical receivers, test instruments, and subsystems. It provides an overview of the company, including that it was established in 1993 and is privately owned. It then describes the company's facility and clean room. The document also highlights the company's space flight experience with NASA and lists its product lines, which include high-speed photodiodes, balanced photoreceivers, 2-micron photodiodes, and wideband RF amplifiers. Performance characteristics and applications are summarized for several products.

1. Presented by
Abhay Joshi
President &CEO
A leading supplier and innovator
of optical receivers, test instruments,
and sub-systems
Confidential & Proprietary - Copyright 2014 by Discovery Semiconductors, Inc. All Rights Reserved

2. Overview
About Us
Product Line
Instrumentation
Q & A

3. Facts and Figures
Established in 1993, Privately Owned
2001 SBIR National Tibbetts Award Winner
All Engineering / Manufacturing in Ewing, NJ
USA

4. Facts and Figures
4,000 Square Foot, Class 100 Clean Room

5. Space Flight by NASA
Discovery Semiconductors InGaAs Photodiode
Modules Return to Earth After 18 Months on the
International Space Station.

6. Products
High Speed InGaAs PIN Photodiodes
Balanced Photodiodes and Coherent Receivers
2 Micron
850 nm, 25 Gbaud Datacom Receivers
Lab Buddy Instrumentation
Wideband RF Amplifiers

7. High Optical Power Handling Photodiodes
-9
-6
-3
0
3
0 10 20 30 40 50 60
Frequency [GHz]
RelativeResponse[dB]
DSC50S DSC40S DSC30S DSC20H DSC10H DSC10ER

8. High Optical Power Handling Photodiodes
Ultra Short Pulse at 1550 nm

9. High Optical Power Handling, Highly Linear
Photodiodes to 6 GHz
10 100 1000 10000
-120
-80
-40
0
40
DC Photocurrent (mA)
RFPower(dBm)
Third Harmonic
Fundamental
Intercept = +54 dBm
Bias = 7 V
Temperature = 15 °C
Fundamental = 1 GHz
Modulation Depth = 40%
10 100 1000 10000
-120
-80
-40
0
40
DC Photocurrent (mA)
RFPower(dBm)
10 100 1000 10000
-120
-80
-40
0
40
DC Photocurrent (mA)
RFPower(dBm)
Third Harmonic
Fundamental
Intercept = +54 dBm
Bias = 7 V
Temperature = 15 °C
Fundamental = 1 GHz
Modulation Depth = 40%
Third Order Non-linearity
1 10 100
-30
-25
-20
-15
-10
-5
0
5
Bias = 7 V
Temperature = 15 °C
Fundamental = 1 GHz
Modulation Depth = 10%
DC Photocurrent (mA)
RFPower(dBm)
77 mA
1 10 100
-30
-25
-20
-15
-10
-5
0
5
Bias = 7 V
Temperature = 15 °C
Fundamental = 1 GHz
Modulation Depth = 10%
DC Photocurrent (mA)
RFPower(dBm)
77 mA
Typical 1 dB Compression Photocurrent

10. Balanced Photoreceivers with 14 & 20
GHz Bandwidth
Typical 10.7 Gb/s RZ-DPSK Eye Diagram
In: -3 dBm average optical power per photodiode
Out: 400 mVp-p

11. Balanced Photoreceivers with 14 & 20
GHz Bandwidth
Typical Frequency Response Curves & CMMR

12. Linear AGC Balanced Receiver to
20 GHz Bandwidth
Peak Detector
Function.
Excellent D(Q)PSK
eye patterns & BER.
LIDAR & Military
Communications.

13. Coherent Receiver Lab Buddy
Four well-matched Linear
Balanced Photoreceivers.
Integrated Dual-Polarization
90o Optical Hybrid.
Automatic & Manual Gain
Control.
Adjustable RF bandwidth for
all channels.

14. Coherent Receiver Lab Buddy
Dual
Polarization
90° Hybrid
with PBS
Balanced PIN-TIA
Photoreceiver Array
Driver
Electronics
Panel
Control
Photocurrent
Monitor Port
SignalIn (SMF)
LO In (PMF)
XI
XQ
YI
YQ
AC-Coupled
Differential
RF outputs

15. Coherent Receiver Lab Buddy
Typical 25 Gbaud DP-QPSK Constellation
{Manual Gain Control Mode, P_LO = +10dBm,
Average Received P_Signal = -3dBm}
Typical 16QAM Constellation
{Manual Gain Control Mode, P_LO = +10dBm,
Average Received P_Signal = -3dBm}

16. 2 Micron Photodiodes
0 100 200 300 400 500
0
0.2
0.4
DiodeOutput(V)
Time (ps)
Photodiode Bias = 7V
Optical Pulse Energy = 0.76 pJ
Pulse Repetition Rate = 1 GHz
FWHM = 27 ps
Impulse Response at 1550 nm10Gb/s Eye Diagram at 1550 nm
-9
-6
-3
0
3
0 5 10 15 20 25 30
Frequency [ GHz ]
RelativePowerResponse
[dB]
DSC2-50S
DSC2-40S
DSC2-30S
Typical Frequency Response

17. 850 nm, 25 Gbaud Receivers
Linear or Limiting
Multimode or Single mode
High Responsivity & Bandwidth
Optional Integrated Clock & Data Recovery (CDR)

18. 850 nm, 25 Gbaud Receivers

19. Standard Lab Buddy
110/220V Plug-in.
Eliminates accidental damage
and biasing errors.
Saves up to 3 power
supplies.
Robust and compact.

21. “A journey of a thousand miles begins …
with a single step”
LAO TZU
Go farther with our integrated OE + CDR!
Single mode /
Multimode
850 – 1650 nm
APD / PIN
10G / 25G

22. Recovered Eye
80 km SSMF span at 1550 nm …
… without optical amplification or CD compensation.
APD + CDR Lab Buddy

23. Wideband RF Amplifiers
Part Number Frequency Range Type Input/Output
DSC-R414 30 kHz – 45 GHz Inverting, Optional
Bias Tee
Single Ended
DSC-R415 30 kHz – 20 GHz Linear, Adjustable
Bandwidth & Gain
Differential
DSC-R416 30 kHz – 20 GHz Limiting Differential
DSC-R417 40 GHz – 70 GHz Optimized for
V-Band apps
Single Ended

24. Wideband RF Amplifiers
30 kHz to 45 GHz
40 GHz to 70 GHz
Plug & Play
Optional Integrated Bias Tee
Low Group Delay
+9V DC battery > 10 Hours

25. Wideband RF Amplifiers
Typical 40 Gb/s Eye Diagrams
Input Signal
Eye amplitude 164 mV
Output Response
Eye amplitude 703 mV

26. Wideband RF Amplifiers
Typical Input and Output Impulse Responses

27. Wideband Differential RF Amplifiers
30 kHz – 20 GHz
Limiting or Linear w/
Adjustable Gain and
Bandwidth
Plug & Play
Low Power Dissipation, No
Heat Sink Required
Small Physical Size

28. Thank you!
Please visit www.discoverysemi.com
Thank you for your hospitality.