Table of Contents
Contents
Preface, xiii
Foreword, xv
Author, xxi
CHAPTER 1 ■ Many Hands Make Light Work 1
THE DARKENED ROOM 2
NEWTON’S BULLETS 5
WAVES OF HUYGENS’ – PTOOEY! 11
OUT – DAMNED SPOT! 12
THE JOURNEY STONE 20
FRANKLIN, FROGS, AND FRANKENSTEIN 22
ØRSTED UNLODES 23
ELECTRIC BOY REWINDS 26
ALL’S WELL THAT’S MAXWELL 31
FIAT LUX! 34
WATT IS LOVE? DON’T HERTZ ME, NO MORSE! 38
MARCONI AND CHUTZPAH 39
MAXWELL’S RAINBOW 40
CHAPTER 2 ■ What Light Through Yonder Window –
Breaks? 43
THE END OF PHYSICS? 44
PLANCKING FOR BEGINNERS 51
ONE PHOTON, INDIVISIBLE, WITH QUANTA OF
ENERGY, IN BALLS 56
IT’S A WAVE! IT’S A PARTICLE! IT’S – WHAT THE HECK
IS IT!? 60
QUANTUM NONDEMOLITION DERBY 68
VAIDMAN – DUDE’S THE BOMB! 73
THE UNDETECTABLE QUANTUM TRIPWIRE 76
EXTRAORDINARY POPULAR DELUSIONS AND THE
MADNESS OF CLOUDS 79
TO COMPUTE OR NOT TO COMPUTE – WHAT IS
THE QUESTION? 82
EINSTEIN’S BUBBLE – TOIL AND TROUBLE 83
PARTICULARS OF POLARIZED PHOTONS 87
CHAPTER 3 ■ It Takes Two to Tangle 91
SCHRÖDINGER’S CURSE 92
EINSTEIN’S BANE 94
VON NEUMANN’S BLUNDER 99
BOHM’S BOMBSHELL 101
BELL GETS TESTY 103
BERTLMANN’S SOCKS 108
CLAUSER’S NO-BELL PRIZE 108
CLOSING THE LOOPHOLES 112
TWO’S COMPANY – BUT THREE’S A CLOUD 115
SPEAKING THE UNSPEAKABLE 118
CHAPTER 4 ■ Quantum Networks: The Building Blocks 121
SINGLE-PHOTON GUNS 122
QUANTUM-DOT SINGLE-PHOTON GUNS 122
SORT-OF-SINGLE-PHOTON GUNS AND MAGIC CHINESE
CRYSTALS 125
PSEUDO-SINGLE-PHOTON GUNS 129
ENTANGLED-PHOTON GUNS 132
QUANTUM-DOT ENTANGLED-PHOTON GUNS 132
ENTANGLED SORT-OF-PHOTON GUNS AND MAGIC
CHINESE CRYSTALS 134
I SPY, WITH MY LITTLE EYE 138
E. T. PHONE HOME 141
POLARIZE! LET NO PHOTON EVADE YOUR EYES! 146
RARE AS A TWO-DOLLAR BELL 149
CHAPTER 5 ■ The Second Quantum Revolution 151
WHAT IS QUANTUM TECHNOLOGY? 152
QUANTUM RANDOM-NUMBER GENERATORS 154
CRYPTOGRAPHY 158
CLASSICAL CRYPTOGRAPHY – RSA PUBLIC-KEY
ENCRYPTION 159
CLASSICAL CRYPTOGRAPHY – ONE-TIME-PAD
PRIVATE-KEY ENCRYPTION 162
QUANTUM MONEY – WIESNER’S UNPUBLISHABLE
PAPER 172
QUANTUM CRYPTOGRAPHY – THE BENNETT AND
BRASSARD 1984 PROTOCOL 175
QUANTUM CRYPTOGRAPHY – THE EKERT 1991
PROTOCOL 182
POST-QUANTUM-CRYPTOGRAPHY – OFF-RAMP
ON THE QUANTUM INTERNET 185
QUANTUM TELEPORTATION 187
ENTANGLEMENT SWAPPING 194
QUANTUM MEMORIES 196
CLASSICAL REPEATERS 198
QUANTUM REPEATERS 201
QUANTUM TRANSPONDERS 205
CHAPTER 6 ■ Quantum Networks 207
THE QUANTUM INTERNET – WHY NOW? 208
WHAT’S UP WITH QUANTUM COMPUTERS
THESE DAYS? 210
QUANTUM SUPREMACY 213
DOUBLE-BUBBLE – TOIL AND TROUBLE! 215
A CHINESE QUANTUM-SPUTNIK MOMENT 219
NATIONAL QUANTUM INITIATIVE ACT 222
QUANTUM INTERNET 1.0 – ALL THAT IT’S CRACKED
UP TO BE? 228
QUANTUM INTERNET 2.0 – RAGE OF ENTANGLEMENT 230
QUANTUM INTERNET 3.0 – RISE OF THE UBIQUITOUS
QUANTUM REPEATERS 238
I HAVE A CODE IN MY NODE! 245
TELEPORTATION AND DISTRIBUTED QUANTUM
COMPUTING 247
CLASSICAL COMMUNICATION OVER THE QUANTUM
NETWORK 251
CHAPTER 7 ■ Networks of Quantum Sensors 255
QUANTUM SENSORS 256
COHERENT SENSOR ARRAYS 261
CLOCKS IN SPACE 270
DISTRIBUTED QUANTUM SENSORS 273
EPILOGUE, 281
INDEX, 285